Ceph pg delete

Legends of the Egypt Gods bookceph pg delete g. The format is ceph pg <pg id> query. Ceph Remove Pg From Osd Remove the failed disk from Ceph¶ In the following, {osd-name} indicates the full name of the OSD, like osd. We also tried "ceph pg force_create_pg X" on all the PGs. The OSDs that this particular PG maps to are OSD. Ceph is a Software Distributed System (SDS), meaning it can be run on any hardware that matches its requirements. ‘ssdtest’, and the PG number is ‘7a’. Jan 7th, 2016. For example on here, Configure Ceph Cluster with 3 Nodes like follows. For example: fdisk /dev/vdb. cc: FAILED ceph_assert(m->epoch == get_epoch()) 02/11/2020 09:53 To delete the pool in spite of this safety setting, you can temporarily set mon allow pool delete to 'true', delete the pool, and then return the parameter to 'false': cephadm > ceph tell mon. If you’re already using a pool it is generally safe to increase its PG count on-the-fly. 8. 0]> Subcommand set_nearfull_ratio sets ratio at which pgs are considered nearly full. This command tells Ceph to delete those objects, respective revert to previous versions of them. Not a member of Pastebin yet? ceph osd crush remove osd. 9 0 1 osd. PGP is the total number of Placement Groups for the Placement purpose of objects inside a pool. The degraded PG is just a minor problem, not a serious problem. The last step in creating the Ceph storage cluster is to create a storage pool. Количество пулов ceph osd pool ls или rados lspools try to set at least 5. 6cc( empty local-les=1263161 n=0 ec=380 les/c 1263161/1263161 1263160/1263160/1262473) [371,1458,846] r=2 lpr=1263160 pi=1042696-1263159/17 crt=0'0 active] handle_activate_map: Not dirtying info: last_persisted is Oct 04, 2018 · Description of problem: [RFE] Introduce an option or flag to throttle the pg deletion process We have an interesting request maybe engineering has some insight too. eu-west-1. ${ID} And, finally, remove the OSD: ceph osd rm osd. 26 osdmap e8768 pg 2. 0 239. 1a #Checks file integrity on OSDs: ceph pg repair 0. I am trying to do that in Python, like this: bucket = conn. In the process of reinstalling osd with bluestore backend, I need to mark OSD out before reinstalling it, which causes rebalance of several hours. node01 [WRN] Health check failed: Degraded Usage: ceph pg set_full_ratio <float[0. 10( v 3035'146408 (3035'143577,3035'146408] local-lis/les=3015/3016 n=6923 ec=140/140 lis/c 3196/3015 les/c/f 3197/3016/0 13880/13880/138 Apr 20, 2018 · 24 Placement group merging Expernmeital for Mnmnc Historically, pg_num could be increased but not decreased Sometimes problematic, when e. The “delete” option will forget about   Placement groups (PGs) are an internal implementation detail of how Ceph distributes data. With above command ouput, the PG is “40. gateway -i /etc/ceph/ceph. Mar 29, 2018 · luminous: ceph osd force-create-pg cause all ceph-mon to crash and unable to come up again #20399 yuriw merged 2 commits into ceph : luminous from smithfarm : wip-22942-luminous Mar 29, 2018 Conversation 1 Commits 2 Checks 0 Files changed View file Edit file Delete file @@ -79,14 +79,13 @@ var _ prometheus. 27 Apr 2015 call ceph pg repair 17. Run the fdisk command on the disk and press d to delete the partitions and w to save the changes. This is Apr 25, 2018 · The Ceph cluster had to be abandoned and rebuild from scratch. If the command returns a health status (HEALTH_OK, HEALTH_WARN, or HEALTH_ERR), the Monitors are able to form a quorum. In my first blog on Ceph I explained what it is and why it’s hot; in my second blog on Ceph I showed how faster networking can enable faster Ceph performance (especially throughput). 64 or 128 is commonly used in practice for large clusters. Ceph Octopus : Add or Remove OSDs. 26 Nov 2020 To remove a Ceph Monitor via the GUI first select a node in the tree view It is advised to calculate the PG number depending on your setup,  PG Removal¶. Ceph - Issues # Project Tracker Status Priority Subject Assignee Updated Category Target version Tags 9105 CephFS Bug New Low ~ObjectCacher behaves poorly on EBLACKLISTED 12/05/2019 09:35 PM Code Hygiene 45563 Linux kernel client Bug New Normal __list_add_valid kernel NULL pointer in _ceph_remove_cap 10/28/2020 06:46 AM fs/ceph v12. Apr 13, 2018 · Last 1 runs for suite rados on branch wip-sage-testing-2018-04-13-1717 安装ceph 官方文档 0. ceph_command (module) PG (Placement Groups) - группа размещения или логическая коллекция объектов в Ceph, которые реплицируются в OSD. May 05, 2018 · Ceph is highly reliable, but hardware isnt always. write_objects 1 1 20 8000 $   26 Mar 2020 In Ceph terms, Placement groups (PGs) are shards or fragments of a logical object pool sudo ceph osd pool delete {pool-name} [{pool-name}  26 Nov 2019 ceph pg dump --> Check placement group stats; ceph osd repair -> Repair an OSD; ceph osd pool create/delete --> Create or delete a storage  12 сен 2018 Основная проблема PG — это определение их числа для нового пула. 00000 3 1. 45 TOTAL 39 GiB 31 GiB 8. , block device, gateway, etc. Radosgw logs are located at the path specified in the radosgw section of /etc/ceph/ceph. 160/645 objects degraded (24. 183 and 3. Pretty much everything that you want to know about CEPH is documented there. If we have a look on osd bandwidth, we can see those transfert osd. 12 luminous: rebuild-mondb doesn't populate mgr commands -> pg dump EINVAL: 02/11/2020 09:51 PM: 44086: RADOS: Backport: New: Normal: mimic: rebuild-mondb doesn't populate mgr commands -> pg dump EINVAL: 02/11/2020 09:51 PM: 44087: RADOS: Backport: New: Normal: luminous: mon/Elector. 1c1 and is acting on OSD 21, 25 and 30. screenshot of Ceph PG calculator output (deleted) 2018-07-19 18:05 UTC, Ben England: no flags: Details: screenshot try 2 of Ceph PG calculator (285. 343 7f75d8ab1700 10 osd. A non-positive number disables this setting. Listing of pools can be done in Aug 10, 2015 · Note that I did not write this scriptlet this nor do I claim to have written this scriptlet. There are two forms of Scrubbing, daily cheap metadata checks and weekly deep data checks. 1a query: ceph pg 0. Sonoff th16 temperature sensor. Click the icon to delete the specific Pool. # Write lots and lots of objects. Ceph clients store data in pools. 181742_stop. But the MDS keyrings and other keyrings are missing: in the recovered monitor store. Of course  proxmox ceph delete osd, Oct 25, 2018 · proxmox: remove dead ceph node :/ 2194139526 >> 172. Remove OSDs from  6 Sep 2016 How we fixed a few stale PGs in our Ceph cluster, that seemed to not want to sudo ceph osd crush remove osd. However, this also means that you possibly need to dig around just to remember a few simple commands. 00000 4 1 Jan 24, 2014 · 1) I thought the PG and replicas number can be change at any time (per previous threads). conf [global] fsid = 87c90336-38bc-4ec2-bcde-2629e1e7b12f mon_initial_members = ceph1-mon mon_host = 10. For example, if the primary disk fails or the data in the Ceph-related directories, such as /var/lib/ceph/, on the OSD node disappeared. rados lspools ceph osd pool get . py (pr#36608, Rishabh Dave) ceph-volume: report correct rejected reason in inventory if device type is invalid (pr#36410, Satoru Takeuchi) Aug 29, 2017 · ceph osd pg-upmap, ceph osd rm-pg-upmap, ceph osd pg-upmap-items, ceph osd rm-pg-upmap-items can explicitly manage upmap items (see Using the pg-upmap). tldr. 124, osd. ceph. Contrary to most ceph commands that communicate with the MON, pg 0. $ ceph osd pool ls detail In the older version of ceph, before Nautilus, PG cannot be reduced after being created that is why we want to create a relatively smaller pg_num. ceph_command (module) ceph_api. 7 of Ceph, and the OSD was crashing at osd/PG. 6: rados list-inconsistent-obj 0. 66. All OSD installed in Disable the cache if you want more than 288 iops. 0000 1. 2. 27a is active+clean+inconsistent, acting [124,36,78] 1 scrub errors. Tip: Headers can be clicked to change the value throughout the table. The output of ‘ceph pg dump’ also shows various important informations such as the Acting OSD set, the primary OSD, the last time the PG was reported, the state of the PG, the time at which a normal scrub as well as a deep-scrub was run (string) The default configuration for pg-autotune will be to automatically enable the module for new cluster installs on Ceph Nautilus, but to leave it disabled for all cluster upgrades to Nautilus. ceph pg ID query hangs/ stuck/unclean PG. I am still digging in ceph mailing lists in the mean time. $ ceph osd pool delete <my-old-pool> $ ceph osd pool rename <my-new-pool> <my-old-pool> It’s one of the good feature that must be implemented since Ceph is designed to scale under the infinite, the pg_num could grow as the cluster does. Nov 17, 2016 · delete_first means that the transaction logically removes the object. 36 and osd. 5, OSD. Furthermore, these options override any space bindings, if set. 3 up 1. Ceph picks yet another OSD and keeps copying objects to restore the desired Mar 02, 2019 · Network is 10Gbps: all three main servers are in the same network, no switches in between. 07 KB, image/png) 2018-07-19 18:09 UTC, Ben England: no flags: Details Ceph is a free software storage platform designed to present object, block, and file storage from a single distributed computer cluster. I used the ceph. Synopsis The problem you have with pg 0. List the watchers of object name. 1c1. To read a previously snapshotted version of an object: rados -p foo -s mysnap get myobject blah. Just a note: this is fixed in mimic. Now purge all config files. 10. if is_set revert_lost $flags; then. 797216+0900 mon. Feb 13, 2020 · Machine Teuthology Branch OS Type OS Version Nodes Status; 2020-02-13 20:23:53 2020-02-13 20:24:59 2020-02-14 04:29:14 call ceph pg repair 17. 4 . Another OSD, within the same placement group, fails before the new OSD is fully populated with the third copy. Note that it's up to you to deal with potential data loss. It will be mon allow pool delete = true # without it you can't remove a pool. To enable the pg-autotune feature for upgraded clusters, the pg-autotune option should be set to 'true'. , the first OSD in the acting set), peers with the secondary and tertiary OSDs to establish agreement on the current state of the placement group (assuming a pool with 3 replicas of the PG). Placement groups. ls outfile. To delete a pool, execute: ceph osd pool delete <pool-name> [<pool-name> -- yes-i-really-really-mean-it]. 14] osd_pg_max_concurrent_snap_trims = 0 ===== in ceph. If you have separate admin and monitor nodes then run these commands from your admin node. Click the "Add Pool" button to create a new line for a new pool. 0 128 32 on # create a block device with 10G Ceph PG Autoscaler Robert Rouquette • 10/24/2020 at 18:48 • 0 comments It looks like the PG autoscaler kicked in last night. Does Kubeadm reset delete How can we remove the objects from a pool, without removing the pool. ceph_command. Then, $ ceph pg dump > /tmp/pg_dump. 13 : OSD 1 and 5 are primary for pg 3. Oct 30, 2020 · Machine Teuthology Branch OS Type OS Version Nodes Status; 2020-10-30 19:28:46 2020-10-31 05:45:28 2020-10-31 06:17:28 GitHub Gist: instantly share code, notes, and snippets. Once the scrub was finished the inconsistency  The correct procedure is therefore to remove the failing disk from the cluster, let the PGs backfill, then finally to deep-scrub the inconsistent PG once again. We do not do this inline because scanning the collections to remove the objects is an expensive operation. 5. When you create pools, you are creating an I/O interface for clients to store data. , In Ceph Luminous, PG overdoes functionality added for: Data distribution. There are two ways for a pg to be removed from an OSD:. 896%) 2 scrub errors 9677 PGs pending on creation Reduced data availability: 7125 pgs inactive, 6185 pgs down, 2 pgs peering, 2709 pgs stale Possible data damage: 2 pgs inconsistent Degraded data Ceph starts recovery for this PG by choosing a new OSD to re-create the third copy of all objects. com pg calc (PGCalc - Ceph) that gave me 2048 pg's for 15 drives in this config with this level of redundancy etc however I read various other articles some state 100 pg per osd some 150 per osd etc so I went with 100 per osd and 15 osd's at first so 1500 pg's and it was just not creating the pool at all so I thought just to see PG (Placement Groups) - группа размещения или логическая коллекция объектов в Ceph, которые реплицируются в OSD. e. Snapshots: When you create snapshots with ceph osd pool mksnap, you effectively take a snapshot of a particular pool. You will see the Suggested PG Count update based on your inputs. delete_key(key) Afterwards, I use bucket. 2 up 1 ceph. When the pg_num is setting to a new value, pg_num_target and pgp_num_target will appear until pg_num reach the expected value. Thank you J Sep 10, 2019 · Issue 발생 [root@ceph-mon02 ~]# ceph -s cluster f5078395-0236-47fd-ad02-8a6daadc7475 health HEALTH_ERR 1 pgs are stuck inactive for more than 300 seconds 162 pgs backfill_wait 37 pgs backfilling 322 pgs degraded 1 pgs down 2 pgs peering 4 pgs recovering 119 pgs recovery_wait 1 pgs stuck inactive 322 pgs stuck unclean 199 pgs undersized # -671> 2018-10-07 00:44:48. rados cppool volumes new-volumes rados cppool images new-images ceph osd pool rm volumes volumes --yes-i-really-really-mean-it ceph-deploy --overwrite-conf osd create <node-name>:</path/to/drive> But Ceph osd tree shows: ceph osd tree ID WEIGHT TYPE NAME UP/DOWN REWEIGHT PRIMARY-AFFINITY -1 13. list() to list files in the bucket, and this says that the bucket is now empty, as I intended. , and made the following changes: ceph-objectstore-tool command to trim the pg log (issue#23242, pr#20803, Josh Durgin, David Zafman) ceph osd force-create-pg cause all ceph-mon to crash and unable to come up again (issue#22942, pr#20399, Sage Weil) ceph-volume: adds raw device support to ‘lvm list’ (issue#23140, pr#20647, Andrew Schoen) Aug 01, 2019 · Creating a Ceph pool requires a pool name, PG and PGP and a pool-type which is replicated by default. rgw . 0 32 on # create a block device with 10G Oct 18, 2016 · We are running v0. 21 dump is probably the same issue. old. keyring auth add client. com is the number one paste tool since 2002. What each server is looking for is that stop key to indicate that the previous server upgraded successfully and it's safe to take itself down. ceph_api. Undersized means that the current number of surviving PG copies is 2, which is less than 3. cluster_name: string: ceph driver: ceph: storage_driver_ceph: Name of the ceph cluster in which to create new storage pools. txt. 4. So I moved all the temp collection handling stuff down to PGBackend. GA92844 registro ! br [Download RAW message or body] Hi, thanks for the answer. . a3 is stuck stale for 61477. Bigger problem: prevented automatic pg_num selection, because mistakes could not be reversed. The weekly deep scrub reads the objects and uses checksums to ensure data integrity. 1 (via proxmox 6, 7 nodes). add auth info for <entity> from input file, or random key if no ” “input is given, and/or any caps specified in the command Jan 16, 2015 · Listing the pools: ceph osd lspools Creating the pools: ceph osd pool create {pool-name} {pg-num} [{pgp-num}] Deleting the pools: ceph osd pool delete {pool-name} [{pool-name} --yes-i-really-really-mean-it] Renaming the pools: ceph osd pool rename {current-pool-name} {new-pool-name} Statistics for the pools: rados df Snapshotting pools: ceph Ceph pg troubleshooting. Implementation is not simple, and doing it still An update that solves one vulnerability and has 35 fixes is now available. Just check out the documentation for ceph at ceph. Hence, ceph is great for: Oct 12, 2015 · ceph pg dump_pools_json cmd006: pg dump_stuck {inactive|unclean|stale [inactive|unclean|stale…]} {<int>} ceph pg map <pgid> ceph pg scrub <pgid> ceph pg deep-scrub <pgid> ceph pg repair <pgid> ceph pg debug unfound_objects_exist|degraded_pgs_exist ceph pg force_create_pg <pgid> ceph pg set_full_ratio <float[0. Aug 29, 2017 · ceph osd pg-upmap, ceph osd rm-pg-upmap, ceph osd pg-upmap-items, ceph osd rm-pg-upmap-items can explicitly manage upmap items (see Using the pg-upmap). 1. Data manually from the Server deleted. x cannot solve peering stuck #6317 Merged athanatos merged 1 commit into ceph : master from cxwshawn : wip-lost-fix Mar 29, 2016 Mar 08, 2014 · Check your cluster health # ceph status cluster c452b7df-0c0b-4005-8feb-fc3bb92407f5 health HEALTH_WARN 6 pgs peering; 6 pgs stale; 6 pgs stuck inactive; 6 ceph -s ceph osd status ceph osd df tree # ssh ceph1-osd8-dev systemctl status ceph-osd @ 32 lsblk ls-la / var / lib / ceph / osd / ceph-32 ls-l / dev / disk / by-partuuid / c8af71de-f5ae-4f62-ab88-8c9aa30c0f0c ls-l / dev / disk / by-partuuid / b03b6a29-94d0-4a6e-a740-5dabaa144231 ceph -w # Remove OSD ssh ceph1-admin1-dev salt-run disengage ceph recovery objects misplaced, ~ceph -s cluster: id: XXXXXXXXXXXXXXXX health: HEALTH_ERR 3 pools have many more objects per pg than average 358887/12390692 objects misplaced (2. # ceph pg 3. 1: sudo systemctl stop ceph-osd@1. To delete a pool, execute: sudo ceph osd pool delete {pool-name} [{pool-name} --yes-i-really-really-mean-it] More articles on Ceph will be published in few weeks to come. physically shrinking a cluster, or if bad pg_nums were chosen. The monitor cluster will have keys that look like ceph-mon_ip-ceph-mon-0_1484680239. ), interacting with the Ceph storage cluster is remarkably simple: create a cluster handle and connect to the cluster; then, create an I/O context for reading and writing objects and their extended attributes. ceph health detail will show 50 pgs (by default) separately for PG_NOT_SCRUBBED and PG_NOT_DEEP_SCRUBBED. 15 Apr 2016 for your cluster warning message, it's a pg's some objects have inconsistent in primary and replicas, so you can try 'ceph pg repair $PGID'. Even if we’re talking about RAID, the thing that is much simpler than distributed software-defined storage like Ceph, we’re still talking about a distributed storage system — every system that has multiple physical drives is distributed, because each drive behaves and commits the data (or doesn’t commit it We can do this by using the following command: # ceph pg map [PG #] The output from this command should be something similar to below # ceph pg map 2. 0. If you created your own rulesets and rules for a pool  systemctl stop ceph-mds@x. android / kernel / msm. However, by now the cluster has settled – I no longer have the global setting mon_max_pg_per_osd = 1000. 35999 host cephqe8 2 1. You can also view the utilization statistics for each pool. 18. * injectargs --mon-allow-pool-delete=true cephadm@adm > ceph osd pool delete pool_name pool_name --yes-i-really-really-mean-it cephadm@adm > ceph tell Oct 06, 2017 · Notable Changes¶. service на ноде ? Теперь вы очень хорошо разбираетесь в архитектуре Ceph и ее основных размещения (PG, placement group) внутри необходимого пула Ceph. 5-1~bpo80+1 Ceph was upgraded from Hammer to Jewel. 4 $ sudo ceph auth del osd. So be prepared to remove and add OSDs more so than you would using a RAID setup. If your host has multiple storage drives, you may need to remove one ceph-osd daemon for each drive. From the perspective of a Ceph client (i. Only the issue with the OSD that will not start remains. pg_num could be increased, but never decreased Nautilus: pg_num can be reduced Nautilus: pg_num can be automagically tuned in the background Based on usage (how much data in each pool) Administrator can optionally hint about future/expected usage Ceph can either issue health warning or initiate changes itself To remove a Ceph OSD node: (Controller node) Find the ID of the Ceph OSD node you want to remove. 499%) "ceph health detail" HEALTH_WARN Degraded data redundancy: 1197128/7723191 objects degraded (15. Aug 10, 2015 · Note that I did not write this scriptlet this nor do I claim to have written this scriptlet. 6 --format=json-pretty Availability. 0/24 filestore xattr use omap = true fsid = b959b08a-0827-4840-89b0-da9f40d6ff22 POOL SIZE TARGET SIZE RATE RAW CAPACITY RATIO TARGET RATIO EFFECTIVE RATIO BIAS PG_NUM NEW PG_NUM AUTOSCALE device_health_metrics 0 3. 13 and osd. 573482_start and ceph-mon_ip-ceph-mon-0_1484680274. ${ID} Remove the OSD authentication key: ceph auth del osd. x长期支持版本,相关的配置信息如下: ceph recovery, Ceph implements distributed object storage - BlueStore. 5 mark_unfound_lost revert|delete. 11. hammer. 4:6789/0 pipe(0x7fe2a805f1c0 sd=3 :0 s=1 pgs=0 cs=0   31 Aug 2020 ceph -w. data pg_num 128 ceph osd pool set default. 2. You can also format the output in JSON format and save it to a file: ceph pg dump -o {filename} --format=json. 1c1; It might look a bit rough to delete an object but in the end it’s job Ceph’s job to do that. In particular, if a single OSD fails, the other copies of the PGs its stores are spread across lots of other OSDs, such that when the cluster repairs itself the work is parallelized across lots of sources and targets across the cluster, reducing the recovery Continue 安装ceph 官方文档 0. In our case, the values. my ceph health status showing warning . You might need to re-add them manually. radosgw remain shadow files when I delete objects in pool. POOL SIZE TARGET SIZE RATE RAW CAPACITY RATIO TARGET RATIO EFFECTIVE RATIO BIAS PG_NUM NEW PG_NUM AUTOSCALE device_health_metrics 0 3. Query the PG to see which are the probing OSDs: # ceph pg xx The following table shows a list of Ceph commands most frequently used to run a healthy cluster: Command Description ceph-deploy install Install Ceph This website uses cookies and other tracking technology to analyse traffic, personalise ads and learn how we can improve the experience for our visitors and customers. 1. 部署前的准备 在部署之前需要准备好三台CentOS主机,我这里使用的是CentOS7. fi. c +++ filestore journal replay does not guard start the OSD again; call ceph pg repair 17. 667%), 1 pg degraded services: mon: 1 daemons, quorum node01 (age 11m) mgr: node01(active, since 11m) osd: 4 Aug 03, 2019 · In summary: I added a third node, with extra OSD’s, and increased pg_num and pgp_num for one pool before the cluster had settled. Making Ceph Faster: Lessons From Performance Testing February 17, 2016 John F. Ceph issue a HEALTH_WARN status in the cluster log if the average number of objects in a pool is greater than mon pg warn max object skew times the average number of objects for all pools. Using Ceph Storage as VM space In this example two pools will be used – one for storing images and the other for containers. 1: reph auth del osd. 0 up 1 -3 1 host storage02 1 1 osd. And there is a bunch of nonsense because the OSD needs to be able to delete these things so it needs to know what’s in it, which temp collections to delete. 1: ceph osd rm osd. local lost_action=delete. 2020/07/06 : 17 pgs peering (PG_AVAILABILITY) 2020-07-01T23:33:19. Never . Is it safe to remove 3 to 5 osds at the same time, let it rebalance for the night and proceed to reinstall the day after? osd pool default pg num = 100 osd pool default pgp num = 100 mon pg warn max per osd = 2100 [client. 1: osd primary Get the statistics for the placement groups in a cluster: ceph pg dump --format plain; Create a storage pool: ceph osd pool create pool_name page_number; Delete a storage pool: ceph osd pool delete pool_name; Rename a storage pool: ceph osd pool rename current_name new_name; Self-repair pool storage: ceph pg repair pool_name. 26) -> up [29,94,37] acting [29,94,37] Sep 28, 2020 · Ceph is a unified, distributed storage system designed for excellent performance, reliability and scalability. 8 2 1 osd. 12 1 1 osd. May 04, 2016 · If a PG is suspected of having issues;the query command provides a wealth of information. You don't need to restart the osd, osd crash crash + systemd will do it for you :) Now the osd in question does no trimming anymore and thus stays up. 4. 27a" has issue and its acting on osd. AuthCommand(rados_config_file)¶ auth_add(entity, caps=None)¶. listwatchers name. rgw. # docker exec -it ceph_mon ceph osd tree # id weight type name up/down reweight -1 3 root default -2 1 host storage01 0 1 osd. Pastebin is a website where you can store text online for a set period of time. c. Click the Pools tab and click Create. Stop OSD daemons. I am tuning the pg numbers of my OpenStack pools. To increase the log level, uncomment the line debug rgw=20 in /etc/ceph/conf and restart ceph-radosgw. 0 1 on rbd 19 3. ceph pg {pg-id} mark_unfound_lost revert|delete Important Use this feature with caution, because it may confuse applications that expect the object(s) to exist. 21 dump will try to communicate directly with the OSD that hosts the pg. Usage: ceph pg set_nearfull_ratio <float[0. 5,并将系统内核升级到4. 83 will respectively remove from osd 5 and 12. pg_num: string: ceph driver: 32: storage_driver_ceph Pg 3. build/ops: Add fix subcommand to ceph-disk, fix SELinux denials, and speed up upgrade from non-SELinux enabled ceph to an SELinux enabled one (issue#20077, issue#20184, issue#19545, pr#14346, Boris Ranto) liewegas merged 3 commits into ceph: master from liewegas: wip-mon-pg-creates Feb 9, 2017 +14 −27 Conversation 8 Commits 3 Checks 0 Files changed 4 using ``ceph-monstore-tool``. Synopsis Ceph Nautilus : Add or Remove OSDs. Glance images. Putting the cluster in NoOut mode should prevent it from re balancing everything because it is missing a whole node. The original can be found here, plus the original article has links to several more useful Urls, … Continue reading Ceph: Show Placement Group Totals by OSD ceph_api (module) ceph_api. It is worth noting that while Proxmox VE and Ceph will create a functioning pool automatically, it is likely best to save your logging SSD some writes and ensure you have a better number of PGs per pool. x, lost osd. PG stands for placement groups. # docker exec -it ceph_mon ceph osd tree # id weight type name up/down reweight -1 3 root default -2 1 host 192. ceph pg delete, Ceph ensures data integrity by scrubbing placement groups. 500% May 05, 2018 · Ceph is highly reliable, but hardware isnt always. users. ceph pg * - cmd stuck ceph cluster is working fine, but ceph pg sub-command wont give any output, eg "ceph pg stat". clonedata srcname dstname –object-locator key. Jan 19, 2015 · After trying it for few minutes 1 out of 3 bad PG is now cured!! I will continue to fix till cluster is healthy again and post the details here. This is another complicated concept behind Ceph, know that you need to carefully select this value on a per-pool basis. size() was not 2, which means that we were not getting any data or metadata from the PG: The format is ceph pg <pg id> query. com Feb 03, 2017 · ceph: 10. However, I did want to make sure that I did not lose the link to such a very handy command. admin. I tried to search for how to delete the PGs but there was no real clear answer. node01 [WRN] Health check failed: Degraded Ceph ensures data integrity by scrubbing placement groups. Converge filesystem storage, object storage and block/volume storage into one Ceph. com pg calc (PGCalc - Ceph) that gave me 2048 pg's for 15 drives in this config with this level of redundancy etc however I read various other articles some state 100 pg per osd some 150 per osd etc so I went with 100 per osd and 15 osd's at first so 1500 pg's and it was just not creating the pool at all so I thought just to see Documentation for ceph-rest-api dmsimard. For this reason, a smaller PG count is usually recommended. Instead of --pool if --pgid will be specified, ls will only list the objects in the given PG. lost_action=revert. lssnap. The standalone web server is of course not used, so address/port configuration is done in the WSGI server. 45 POOLS: POOL ID STORED OBJECTS USED %USED MAX AVAIL replicapool 1 0 B 0 0 B 0 29 GiB To delete the pool in spite of this safety setting, you can temporarily set mon allow pool delete to 'true', delete the pool, and then return the parameter to 'false': cephadm@adm > ceph tell mon. 19 After that I got them all ‘ active+clean ’ in ceph pg ls , and all my useless data was available, and ceph -s was happy: health: HEALTH_OK Ceph Octopus : Add or Remove OSDs. 35999 osd. I wait that cluster has finished. It covers the advantages of using Red Hat Ceph Storage on Dell servers with their proven hardware components that provide high scalability, enhanced ROI cost benefits, and support of unstructured data. # ceph-deploy purge mon01 osd01 osd02 osd03. Пытаюсь вот так: # ceph osd pool delete  You will see the Suggested PG Count update based on your inputs. 5. {pg-id} query. ceph-node3] rgw_frontends = "civetweb port=80" Replace ceph-node3 with the hostname of the gateway system. x长期支持版本,相关的配置信息如下: If one object/PG/OSD gets corrupted somehow Ceph will try to recover from the remaining healthy PGs. Decreasing the PG count is not recommended on a pool that is in use. root . Ceph version: 0. Read, List and Delete deliver higher throughput, but don’t scale with number of workers All other Ceph pools: 3-way replication; pg_index=256, pg=256. Ceph is high available, strong consistency, linear scalable, partition tolerant. To get placement group information, use ceph pg dump: root # ceph pg dump. radosgw. "ceph health" HEALTH_WARN Degraded data redundancy: 1197023/7723191 objects degraded (15. The degraded cluster can read and write data normally. cephadm@adm > ceph pg PG_ID mark_unfound_lost revert|delete 9. / net / ceph / debugfs. Jul 27, 2017 · Delete the pool by highlighting it and selecting <Remove> and then follow the prompts. The safest way to decrease the PG count is to back-up the data, delete the pool, and recreate it. The original can be found here, plus the original article has links to several more useful Urls, … Continue reading Ceph: Show Placement Group Totals by OSD ceph pg dump. eu. 142 . To show only the mapping then issue the command ceph pg map <pg id> To check integrity of a Placement Group issue the command ceph pg scrub <pg id> ceph pg [ debug | deep-scrub ceph osd tier remove-overlay <poolname> Subcommand set-overlay set the overlay pool for base pool <pool> to be <overlaypool>. 11 Mar 2019 CEPH Filesystem Users — Re: How to just delete PGs stuck all OSDs, as well as 'ceph osd-force-create-pg' -- but both still show incomplete. Apr 27, 2015 · Ok, so the problematic PG is 17. vm and ceph live in the same network, though VM has vlan tagging and run in their own vlan. There are two ways for a pg to be removed from an OSD: MOSDPGRemove from the primary. Sign in. 038415 7f4c57c7a700 20 osd. After this change, ceph -s is the same as before. May 11   31 янв 2020 Подробное описание установки, настройки и эксплуатации ceph своими словами для 8 Вычисление Placement Groups (PG); 9 Установка ceph; 10 Основные команды ceph osd pool create || ceph osd pool delete. Одна группа может сохранять данные на несколько OSD , в зависимости уровня сложности системы. Life at 700us Nick Fisk 2. S3A Hadoop task to test S3A with Ceph, still in Testing. See OSD::_remove_pg, OSD::RemoveWQ. py module (ceph-rest-api is a thin layer around this module). Oct 29, 2018 · ceph osd force-create-pg 2. osd. Ceph Pool PG per OSD – created log We are still working with the cluster to figure out what is the optimal PG setting. Ceph will output the query in JSON format. $ kubectl exec -n rook-ceph -it rook-ceph-operator-548b56f995-l7wtt -- ceph df RAW STORAGE: CLASS SIZE AVAIL USED RAW USED %RAWUSED hdd 39 GiB 31 GiB 8. com. ceph pg 2. 1a : ceph pg scrub 0. The material in this presentation is the work of a large team of contributors: – Allen Samuels: father of EMS Ceph strategy – Somnath Roy, Sushma Gurram, Chaitanya Huilgol: early Ceph read and write path optimizations Pastebin. remove this if testing mimic. Autoscale PG is ON, 5 pools, 1 big pool with all the VM's 512 PG (all ssd). # systemctl start ceph-osd@26 5 - Execute o deep-scrub na pg (Veja artigo do “Ceph Scrubbing”, para execução com espaço de tempo menor) # ceph pg deep-scrub 5. 2 up 1 but the log shows: Dec 16 11:09:22 str-slc-04-08 ceph-osd: 2015-12-16 11:09:22. Set the per-PG trim target by dividing the overall value by the number of PGs on To delete a pool, execute: ceph osd pool delete <pool-name> [<pool-name> --yes-i-really-really-mean-it] If you created your own rulesets and rules for a pool you created, you should consider removing them when you no longer need your pool. In either case, our general strategy for removing the pg is to atomically set the metadata objects (pg->log_oid, pg->biginfo_oid) to backfill and asynronously remove the pg collections. I know that /12 network is too large. Calamari is very old, but we should think about how to handle this for the dashboard. firefly. 1a #Checks file exists on OSDs: ceph pg deep-scrub 0. In either case, our general strategy for removing the pg is to atomically set the metadata objects (pg->log_oid, pg->biginfo_oid) to backfill and asynchronously remove the pg collections. Delete a Pool. 83 (see acting table) and OSD 13 is writing. Apr 19, 2016 · $ sudo ceph health detail HEALTH_ERR 1 pgs inconsistent; 1 scrub errors pg 40. This is more of a ceph issue I take, but at least wanted to post on here to see if anyone may know. He pretty much suggested to search for the bad PG directory in ALL OSDs in the cluster not just the one PG map says then remove them completely. Stay Jan 31, 2019 · ceph-volume: zap: improve zapping to remove all partitions and all LVs, encrypted or not (issue#37449, pr#25352, Alfredo Deza) cli: dump osd-fsid as part of osd find <id> ( issue#37966 , pr#26036 , Noah Watkins) Apr 01, 2019 · As soon as they're crashed, Ceph goes in recovery mode, the OSD's come back online again after about 20 seconds and as soon as Ceph tries to recover/backfill the same PG again, it's all starting over again like clockwork. node01 [INF] Health check Ceph would not let us issue "ceph osd lost N" because OSD. 0 GiB 8. 117 auth_cluster_required = cephx auth_service_required = cephx auth_client_required = cephx mon_allow_pool_delete = true mon_max_pg_per_osd = 128 osd max pg per osd hard ratio = 10 # < default is 2, try to set at least 5. 6 (mimic) on test setup trying with cephfs. 896%) 2 scrub errors 9677 PGs pending on creation Reduced data availability: 7125 pgs inactive, 6185 pgs down, 2 pgs peering, 2709 pgs stale Possible data damage: 2 pgs inconsistent Degraded data First remove all CEPH rpms from your CEPH hosts, this includes Monitor nodes and OSD nodes. Collector = &CephExporter{} // NewCephExporter creates an instance to CephExporter and returns a reference Because ceph will (by default) not place multiple copies of each PG on the same server (as this is the default failure domain), you should be able to remove all osd's form one server at once. If any PG is stuck due to OSD or node failure and becomes unhealthy, resulting in the cluster becoming inaccessible due to a blocked request for greater than 32 secs, try the following: Set noout to prevent data rebalancing: #ceph osd set noout. Push the configuration to each of the nodes in the cluster: Aug 13, 2015 · CEPH is a very well documented technology. Degradation refers to that Ceph marks all PG on the OSD as Degraded after some failures such as OSD hang up. Be prepared when your old hardware causes your OSD to fail either at the drive level or the whole host. Feb 21, 2014 · It’s likely because you have partitions on your disk. Verify that Monitors have a quorum by using the ceph health command. You may need to restore the metadata of a Ceph OSD node after a failure. 26 (2. Because of this, I have decided to put … Continue reading Ceph: Simple Ceph Pool Commands for Beginners Nov 05, 2019 · The Cloud Specialists Ceph Storage Cluster (RADOS cluster) • OSD and MON are mandatory for every cluster • MDS is required only if using Ceph FS OSDs: • 10s to 10000s in a cluster, one per disk (HDD, SSD, NVME) • Serve stored objects to clients • Intelligently peer to perform replication/recovery tasks MONs: • Maintain a master copy For calculating pg_num yourself please make use of the pgcalc tool. The command ceph df will show you pool usage so you can check that bucket objects are going into the pools you expect. Apr 25, 2018 · Nick Fisk - low latency Ceph 1. As everyone knows, the pg number of a pool can not be decreased, so I came up with an idea to copy my pools to new pools with lower pg_num and then delete the original pool. In this case, a quick way to fix this is with help of ceph pg repain command as below: Oct 02, 2013 · For that reason, recovery is what uses the temp collection. 173256, current state stale+active+clean, last acting [23,20,13] I have a ceph cluster (luminous) of 250TB with ~120 OSD. List objects in the given pool and write to outfile. 0 GiB 20. 806%), 32 pgs degraded (PG_DEGRADED) 2020-08-31T19:38:47. With Ceph, an OSD is generally one Ceph ceph-osd daemon for one storage drive within a host machine. buckets. a guest . 13 Mar 2015 Poll the cluster using 'ceph pg stat' command until all placement groups are in ' active+clean' state. Ceph pool is using size 3, min_size 2, pg_num 512 ceph. Apr 27, 2015 · call ceph pg repair 17. 0 mark_unfound_lost revert pg has no unfound objects Oct 29, 2014 · For exemple : # rados lspools data metadata rbd <---- ????? . Signed-off-by: Vasu Kulkarni vasu@redhat. 1a #Fix problems: #Delete osd: ceph osd tree: ceph osd out osd. First check all the objects in that pool, use the below command: $ rados -p ls For example, If you wanted to clean Continue reading “Ceph:How to remove objects from pool” About Ceph Enterprise-class cloud storage Ceph delivers object, block and file storage on one platform, delivering: Scalability from petabytes to exabytes High Availability--hardware failure is an expectation, not just an exception To delete the object: rados -p foo rm myobject. Add relations to the prometheus application in this way: To remove the snapshot again, use rmsnap. This allows crush Stuck inactive incomplete PGs in Ceph. To organize data into pools, you can list, create, and remove pools. ceph health detail HEALTH_ERR 1 pgs are stuck inactive for more than 300  Перед установкой PG count вам нужно знать 3 вещи. Listing of pools can be done in Note: Existing ceph-mon units configured with the ceph-public-network or ceph-cluster-network options will continue to honour them. There are really 4 cases: We are modifying an existing object (is_none() && !is_delete()) -- rollforward (actually, with the current implementation, it'll still use the other rollback machinery as long as there aren't overwrites). cluster: id: 72840c24-3a82-4e28-be87-cf9f905918fb health: HEALTH_WARN Reduced data availability: 33 pgs inactive, 15 pgs  8 Nov 2017 After the object was deleted from all three osd's I ran a scrub on the PG (ceph pg scrub 3. 16fd) -> up ([4,13,8], p4) acting ([4,13,8], p4) Thanks edit retag flag offensive close merge delete When the pg_num is setting to a new value, pg_num_target and pgp_num_target will appear until pg_num reach the expected value. Kim Storage Ceph, object storage, QCT, Quanta, Red Hat, Supermicro. I am using Ceph, uploading many files through radosgw. Click the " Add Pool" button to create a new line for a new pool. When you configure Ceph for JBOD and have old hardware, you may be asking for it. 846 pg_epoch: 1304111 pg[3. 00000 -3 4. Not the PG as a whole. blob: 83661cdc0766de24a458d06cdede00c3f3d6a4a2 [] [] [] Aug 17, 2020 · Select the Scale-out Block & Object Storage menu and click on Delete under the Object Storage Daemon section of the ribbon bar: This will open the Delete a Ceph Storage Daemon pop-up: Selecting the OSD will display information about it Deletion will take time, depending on how much data needs to be migrated to other OSDs in the Cluster #ceph. 9 pg_epoch: 13880 pg[4. Forget CAP. Adjust the values in the "Green" shaded fields below. List snapshots for given pool. Mar 29, 2018 · luminous: ceph osd force-create-pg cause all ceph-mon to crash and unable to come up again #20399 yuriw merged 2 commits into ceph : luminous from smithfarm : wip-22942-luminous Mar 29, 2018 Conversation 1 Commits 2 Checks 0 Files changed Nov 17, 2016 · delete_first means that the transaction logically removes the object. From the Ceph administration node, or from any Ceph server: if the noout flag is set, most likely the Ceph cluster will be in warning state, showing PG in inconsistent/degraded state and possibly showing unfound objects. Aug 01, 2019 · Creating a Ceph pool requires a pool name, PG and PGP and a pool-type which is replicated by default. Click the icon to delete the  1 Remove osd cursh mapping #ceph osd crush remove osd. It will be # ceph -k /etc/ceph/ceph. ceph pg { pgid } mark_unfound_lost revert | delete OSD Subsystem ¶ ceph pg {pg-id} mark_unfound_lost revert|delete Important Use this feature with caution, because it may confuse applications that expect the object(s) to exist. ceph pg dump ceph pg <pg id> query ceph pg ls-by-pool <poolname> ceph pg ls-by-osd <osd number> ceph pg dump pools_json ceph pg map <pg id> ceph pg <pg-id> list_missing ceph pg dump_stuck ceph pg repair <pg-id> ceph daemon < daemon-name> help ceph -show-config (warning large output, filter by grep?) ceph auth ls ceph auth delete ceph auth caps ceph osd pool set default. Create the pools with a replication size of 2 and set the pg count at 128. 163 O deep-scrub no CEPH é um processo que passa em todas OSDs para verificar inconsitencia dos dados e corrigir eventuais problemas, podemos comparar ao fsck. domain. giant. Note that I am in /root/ceph-deploy on my monitor/admin server. Oct 04, 2018 · Description of problem: [RFE] Introduce an option or flag to throttle the pg deletion process We have an interesting request maybe engineering has some insight too. 3 Let us look at the Step 3: Create Ceph pool for Kubernetes & client key. Ceph is a distributed object, block, and file storage platform - ceph/ceph be adjusted via the mon_max_pg_per_osd option on the the ceph osd rm-pg-upmap-items command) iSCSI Gateway Documentation (issue#20437, pr#17381,. When you want to reduce the size of a cluster or replace hardware, you may remove an OSD at runtime. This the final argument specifies how the cluster should deal with lost objects. service: ceph osd crush remove osd. log # ceph osd dump | grep "pool 4 " pool 4 '' replicated size 2 min_size 1 crush_ruleset 0 object_hash rjenkins pg_num 8 pgp_num 8 last_change 1668 stripe_width 0 # rados This is the bug tracker for the Ceph distributed storage project. Select a "Ceph Use Case" from the drop down menu. Creating a pool named as ‘newpool’ with 128 PG and PGP numbers by, # ceph osd pool create newpool 128 128. ceph_command module¶ class ceph_api. Indeed, in my cluster I had only OSD from 0 to 11, but Ceph was trying to store such PG on OSDs 23,20,13: $ ceph health detail HEALTH_ERR 1 pgs are stuck inactive for more than 300 seconds; 1 pgs stale; 1 pgs stuck stale pg 1. An advice regarding the replication size: avoid using only 2 copies (except for tests), this will get you into trouble sooner or later. When deploying as WSGI application (say, with Apache/mod_wsgi, or nginx/uwsgi, or gunicorn, etc. ceph auth ceph-daemon bootstrap JSON timestamps in ISO form, UTC krbd: deep-flatten krbd: integrate object-map and fast-diff librbd: clone copy-on-write operations should preserve sparseness librbd: optionally move parent images to trash + auto-delete when last clone is deleted/disassociated mgr: increase default pg num for pools Hi, I am using ceph version 13. But i a ceph pg <pg id> query shows the pg  18 Apr 2019 Googling seems to show that PGs can also be deleted via ceph-objectstore-tool but I don't know if this applies to out/down osd's and I really  При создании пулов я указал для них слишком большое число PG, хочу пулы удалить. 0 up 1 -3 1 host 192. Monitoring. Ceph checks every object in a PG for its health. conf has, [global] auth client required = cephx auth cluster required = cephx auth service required = cephx cluster network = 10. gc . 10 ways to break your Ceph cluster - April 2018 8. 7a belongs to the pool numbered ‘5’, ie. Furthermore, each Storage Node has a free block device to use on Ceph Nodes. But I don't see a way how to do that after the creation of a pool and storage. sh. root@ceph_mon01# ceph osd map mypool hellothisisodd osdmap e782991 pool 'mypool' (22) object 'hellothisisodd' -> pg 22. To query a particular placement group, execute the following: ceph pg {poolnum}. Mar 20, 2019 · $ ceph osd pool create <pg-num> <pgp-num> To create an erasure code pool: $ ceph osd pool create <pg-num> <pgp-num> erasure. Since ceph osd stat returns that all OSDs are up and in, it means the communication between the MONs and the OSDs is not at fault. cc:2888, where we were falling on an assert, as the daemon tried to read the OMAP values from the PG. Hello, for those sumbling upon a similar issue: I was able to mitigate the issue, by setting === 8< === [osd. It might look a bit rough to delete an object but in the end it's job Ceph's job to do that. 069550+0900 mon. list(): bucket. ceph pg dump ceph pg stat rbd -p <pool> lock list <file> rbd -p <pool> lock remove <file> <id> <locker> I can still not remove the file! (Thats the not so nice # ceph -k /etc/ceph/ceph. 35999 host cephqe11 1 0. Who Am I • Nick Fisk • Ceph user since 2012 • Author of Mastering Ceph • Technical manager at SysGroup • Managed Service Provider • Use Ceph for providing tier-2 services to customers (Backups, standby replicas) - Veeam • Ceph RBD to ESXi via NFS 3. 1c1 It might look a bit rough to delete an object but in the end it’s job Ceph’s job to do that. After, I want to delete the files. force_reuse: bool: ceph driver: false: storage_ceph_force_osd_reuse: Force using an osd storage pool that is already in use by another LXD instance. 6. Ceph's software libraries provide client applications with direct access to the reliable autonomic distributed object store (RADOS) object-based storage system, and also provide a foundation for some of Ceph's features, including RADOS Block Device (RBD), RADOS Gateway, and the Ceph File System. 0 and OSD. ), use the ceph_rest_api. ceph osd getcrushmap returns a crush map version number on stderr, and ceph osd setcrushmap [version] will only inject an updated crush map if the version matches. Without ceph, storage in OpenStack is ephemeral or temporary and will be deleted when we delete a nova VM. * injectargs --mon-allow-pool-delete=true cephadm > ceph osd pool delete pool_name pool_name --yes-i-really-really-mean-it cephadm > ceph tell mon Ceph clients store data in pools. Из блога Ceph: «Choosing the right number of PGs for your cluster is a  ceph osd tier [ add | add-cache | cache-mode | remove | remove-overlay | set- overlay ] ceph pg [ debug | deep-scrub | dump | dump_json | dump_pools_json   Once I realized my mistake I decided to remove those OSDs from the cluster. Ceph is a distributed object, block, and file storage platform - ceph/ceph Set the default budget based on the current defaults: 3000 per osd, and a rule of thumb target of 100 PGs per OSD. As I can see now, the only way is to delete it and create a new pool with larger number of PGs or replicas. 1 up 1. ${ID} Note: For Ceph versions starting with Luminous (and Get the statistics for the placement groups in a cluster: ceph pg dump --format plain; Create a storage pool: ceph osd pool create pool_name page_number; Delete a storage pool: ceph osd pool delete pool_name; Rename a storage pool: ceph osd pool rename current_name new_name; Self-repair pool storage: ceph pg repair pool_name. $ sudo ceph osd pool stats [{pool-name}] Doing it from Ceph Dashboard. We use the 'ceph pg dump pgs_brief' command to get the pg status information in the Calamari/Dashboard, Maybe 'ceph pg dump pgs_brief' has no suitable place to increase the pgmap_ready field? Hmm, it is annoying that pgs_brief is an array rather than a dictionary. Once the pg migrates, the pg gets removed from the HDD. You can reduce it like that. Previously, we would choose the highest-priority PG to start recovery on at the time, but once recovery had started, the appearance of a new PG with a higher priority (e. 3dc0d6fd (22. Initially thought was HDD issues, so have removed the original target drives, but no change. ceph remove monitor, Restore the metadata of a Ceph OSD node¶. 2 up 1. A Ceph file system requires at least two RADOS pools: For both: Data; Metadata; Generally, the metadata pool will have at most a few gigabytes of data. 78. To remove a Ceph OSD node: (Controller node) Find the ID of the Ceph OSD node you want to remove. 2020/07/02 : (6. 1 ceph -s cluster 30266c5f-5e10-4027-936c Sep 14, 2016 · This presentation provides an overview of the Dell PowerEdge R730xd server performance results with Red Hat Ceph Storage. All OSD installed in ceph pg 0. For Ceph to determine the current state of a placement group, the primary OSD of the placement group (i. RAID WRITE HOLE. This allows crush I am using Ceph, uploading many files through radosgw. This size did not change when i turned on Autoscale on SSD pool, only the smaller for HDD and test. * injectargs --mon-allow-pool-delete=true cephadm@adm > ceph osd pool delete pool_name pool_name --yes-i-really-really-mean-it cephadm@adm > ceph tell using ``ceph-monstore-tool``. conf. local pgs_unfound pg. data pgp_num 128 Armed with the knowledge and confidence in the system provided in the above segment we can clearly understand the relationship and the influence of such a change on the cluster. To remove the snapshot again, use rmsnap. Some objects will then only have one surviving copies. 0 1 on rbd 6 3. You can allow ceph pg {pg-id} mark_unfound_lost revert| delete. 1 up 1 -4 1 host storage03 2 1 osd. Usage: ceph pg stat quorum Enter or exit quorum To delete the pool in spite of this safety setting, you can temporarily set mon allow pool delete to 'true', delete the pool, and then return the parameter to 'false': cephadm@adm > ceph tell mon. Dec 26, 2020 · (os-venv) root@bdg01r01ctrl01:~# ceph osd pool ls detail pool 1 'device_health_metrics' replicated size 3 min_size 2 crush_rule 0 object_hash rjenkins pg_num 1 pgp_num 1 autoscale_mode on last_change 43 flags hashpspool stripe_width 0 pg_num_min 1 application mgr_devicehealth pool 2 'images' replicated size 3 min_size 2 crush_rule 0 object_hash Dec 16, 2019 · kubectl exec -it rook-ceph-tools-7cf4cc7568-7fzcz -n rook-ceph modules: # the pg_autoscaler is only available on nautilus or newer. SUSE Security Update: Security update for ceph, deepsea _____ Announcement ID: SUSE-SU-2020:3257-1 Rating: moderate References: #1151612 #1152100 #1155045 #1155262 #1156087 #1156409 #1158257 #1159689 #1160626 #1161718 #1162553 #1163119 #1164571 #1165713 #1165835 #1165840 #1166297 #1166393 #1166624 #1166670 #1166932 Ceph can be used as the persistent storage backend with OpenStack Cinder (GitHub - openstack/cinder: OpenStack Block Storage (Cinder)) for: Volumes of nova VMs. f05). Then force_create PG and restart all OSDs. rados is part of Ceph, a Jun 27, 2017 · User Scheduled Started Updated Runtime Suite Branch Machine Type Revision Pass Fail; joshd 2017-06-27 06:47:13 2017-06-27 06:48:26 PG Removal¶. 168. Of course the above works well when you have 3 replicas when it is easier for Ceph to compare two versions against another one. ceph osd crush remove osd. 2, “Setting PG Count”). The 80 PGs moved to "creating" for a few minutes but then all went back to "incomplete". 3: Removing 'log' files in MON's data directory If a cluster is in HEALTH_WARN state the data directory of the MONs started to grow as the Monitors keep a long(er) history of OSDMaps. Количество of osd is three. We can be “rados -p cleanup –prefix ” to remove all the objects, with a specific prefix. 0 32 on # create a block device with 10G Sep 16, 2020 · ceph-volume: fix lvm functional tests (pr#36409, Jan Fajerski) ceph-volume: handle idempotency with batch and explicit scenarios (pr#35880, Andrew Schoen) ceph-volume: remove container classes from api/lvm. Login to your Ceph Management Dashboard and create a new Pool – Pools > Create. ceph fix incomplete pg, Apr 27, 2015 · call ceph pg repair 17. - **pg settings**: the ``full ratio`` and ``nearfull ratio`` settings configured using ``ceph pg set_full_ratio`` and ``ceph pg set_nearfull_ratio`` will be lost. On Thu, Mar 07, 2019 at 07:48 So, the PG 5. email pg_num In my case by default pg_num was 128 or something like that (my cluster is 4 years old, it was a lot of upgrades a lot of changes). 0]> ceph pg set_nearfull ceph how many osd can fail, Ceph is a distributed storage system that is massively scalable and high-performing with no single point of failure. The charm supports Ceph metric monitoring with Prometheus. keyring; If the admin node of the cluster is not also used to host the Object Gateway, you must copy the keyring to the gateway host. Generally, it’s a good idea to check the Remove object name. Aug 16, 2019 · Cluster Ceph 4 nodes, 24 OSD (mixed ssd and hdd), ceph Nautilus 14. 1 up 1 -4 1 host 192. 5 —> osd. client. - name: pg_autoscaler enabled ceph recovery objects misplaced, ~ceph -s cluster: id: XXXXXXXXXXXXXXXX health: HEALTH_ERR 3 pools have many more objects per pg than average 358887/12390692 objects misplaced (2. [prev in list] [next in list] [prev in thread] [next in thread] List: ceph-devel Subject: Re: [ceph-users] Failed to repair pg From: Herbert Alexander Faleiros <herbert registro ! br> Date: 2019-03-08 12:52:24 Message-ID: 20190308125224. 0-1. buckets . control . 43994 root default -2 0. 8 had already been removed from the cluster. Dec 13, 2019 · The PGs are incomplete due to not enough instances of this PG. 1 —> osd. get_bucket(BUCKET) for key in bucket. Jun 11, 2014 · The Monitor (internally uses Paxos) achieves cluster autonomous (auto recover of node fail, add/remove nodes, etc). 09000 osd. 00000 1. 9G 0. Step 3: Create Ceph pool for Kubernetes & client key. To list inconsistent objects in PG 0. git / 149ae81a9fd03446325e1e203af30a6cd4f75fe0 / . index . To show only the mapping then issue the command ceph pg map <pg id> To check integrity of a Placement Group issue the command ceph pg scrub <pg id> Tree cutting near me uk If you are already using a pool it is generally safe to set pg_count on-the-fly (see Section 10. Delete “lost” objects or revert them to their prior state, either a previous version or delete them if they were just created. 500%) PG_DEGRADED Degraded data redundancy: 1197128/7723191 objects degraded (15. Clone object byte data ceph pg {pg-id} mark_unfound_lost revert|delete See above under "list_missing" for missing/unfound objects. In fact I'm asking how to migrate ceph to a different network without losing data/having downtime. Checked with strace and it seems to be some kind of timeout-loop going on: PG: pg down state blocked by osd. 0]> Subcommand stat shows placement group status. ceph osd pool delete frontend-services frontend-services -- yes-i-really-really-mean-it  Hello, How can i delete a pg completly from a ceph server? I think i have all. 12 PG Auto-scaler # Edit source As of the Nautilus release, Ceph includes a new manager module called pg_autoscaler that allows the cluster to consider the amount of data actually stored (or expected to be stored) in each pool and choose appropriate pg_num values automatically. 94. ceph pg delete

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