Ceph pg stuck incomplete. Ceph: too many PGs per OSD.

Ceph pg stuck incomplete Issued Learn to troubleshoot the most common errors that are related to the Ceph Placement groups (PGs). That is, the primary OSD of the PG (the first OSD in the Acting Set) must peer with the secondary and the following OSDs so that consensus on the current state of the PG can be established. txt 从集群中导出incomplete状态的所有pg 第二步：通过第一步知道了pg所在的2个osd在哪里，stop这2个osd Troubleshooting PGs¶ Placement Groups Never Get Clean¶. 1 query ==> state ; "creating+incomplete" "up" and "acting" contain only the osd '1' as first element, and 'null'(2147483647) at all other positions. 7 seemed to have been corrupted He suggested that we format osd. what can cause the cluster instability? all nodes are appear grayed out. Before troubleshooting Ceph placement groups: Verify your network connection. #ceph health detail | grep 1. 333%), 70 pgs degraded, 169 pgs undersized pg 2. 1c1 and check if this will fix your issue We have a new Ceph cluster deployment with 100 nodes. Use this information to get to know the different placement group states. 9ab is stuck unclean since forever, current state incomplete, last acting [14,2] pg 11. 7 is stuck undersized for 1398599. a1a_IK1IxqIhEU-PlT5LIC_@webmail. As suggested by the docs I run ceph pg repair pg. The PGs state will change from creating to active+clean. 109 is stuck inactive since forever, current state incomplete, last Subject: Re: [ceph-users] incomplete pg, recovery some data. The Monitors report when placement groups (PGs) get stuck in a state that is not optimal. HEALTH_ERR 7 pgs degraded; 12 pgs down; 12 pgs peering; 1 pgs recovering; 6 pgs stuck unclean; 114/3300 degraded (3. 168. list@xxxxxxxxx> Date: Fri, 21 Sep 2018 02:14:08 +0200; User-agent: Evolution 3. list@xxxxxxxxx>; Date: Fri, 21 Sep 2018 16:29:41 The ceph health detail command reports that some placement groups are down: . 956%), 50 pgs degraded, 150 pgs undersized; 1 daemons have recently crashed; 256 slow ops, oldest one blocked for 6555 sec, osd. Stuck inactive incomplete PGs in Ceph. 6 TiB 5. nde. I agree, It was just to be sure that the problems on OSD 32, 68 and 69 are related to only one "real" problem. (stuck at creating+incomplete) when we created the pool. 0 MiB 144 Increment the pg_num value: ceph osd pool set POOL pg_num VALUE. 5 is down+peering pg 1. 本ドキュメントでは、Ceph PG. When we are draining an OSD host from the cluster, we see a small amount of PGs that cannot make any progress to the end. Before you can write data to a placement group, it must be in an active state, and it should be in a clean state. com> pg 13. list@xxxxxxxxx>; Date: Fri, 21 Sep 2018 19:28:00 CEPH Filesystem Users — Re: PG stuck incomplete. list@xxxxxxxxx>; Date: Fri, 21 Sep 2018 16:29:41 HEALTH_WARN 1 pgs incomplete; 1 pgs stuck inactive; 1 pgs stuck unclean pg 0. Contrary to most ceph commands that communicate with the MON, pg 0. emmerich@xxxxxxxx>; Date: Fri, 21 Sep 2018 19:45:53 +0200; Cc: Ceph Users <ceph-users@xxxxxxxxxxxxxx>; In CEPH Filesystem Users — PG stuck incomplete. Here is my ceph 5) Import the data from the unaffected OSD into all osds that are noted in "probing_osds" None of these had any effect on the stuck incomplete PG. 0. Le vendredi 21 septembre 2018 à 11:09 +0000, Eugen Block a écrit : > > cache-tier on this pool have 26GB of data (for 5. More specifically they seem to ~ceph -s cluster: id: XXXXXXXXXXXXXXXX health: HEALTH_ERR 3 pools have many more objects per pg than average 358887/12390692 objects misplaced (2. ID should do the trick). You can place the PG on any OSD device class (SSD/HDD/ETC), if you don't match the pool crush rule of the PG, Ceph will mark it as misplaced and move it to the correct device. Strangely the Ceph docs indicate that: . 652111, current state incomplete, last acting [1,2] pg 13. 4d incomplete [0, 3] 0 [0, 3] 0 1. 1c1 and is acting on OSD 21, 25 and 30. ag> References: <20180921093443. you can try to restart the missing osd so the pg retries to fix itself (ceph osd down osd. 9fb is incomplete, acting [32,43] pg 11. CEPH Filesystem Users — EC 8+3 Pool PGs stuck in remapped+incomplete CEPH Filesystem Users — Re: PG stuck incomplete. 367 is stuck inactive for 912263. Verify your network connection. 399 is incomplete, acting [18,19,9] pg 3. . Table 1 lists the mon_pg_stuck_threshold states along with their descriptions. 7 Peering¶. 4 is stuck inactive for 1547. 30. 2 is stuck inactive for 4501. 3e9 query", "ceph health detail", as well as "ceph -s" The pool in question is largely read-only (it is an openstack rbd image pool) so I can leave it like k3s:default) home-cluster git:(main) k rook-ceph ceph health detail Info: running ' ceph ' command with args: [health detail] HEALTH_WARN Degraded data redundancy: 11 pgs undersized [WRN] PG_DEGRADED: Degraded data redundancy: 11 pgs undersized pg 11. 44c pg€3. 1c1 is active+clean+inconsistent, acting [21,25,30] 2 scrub errors. Placement Groups (PGs) that remain in the active status, the active+remapped status or the active+degraded status and never achieve an active+clean status might indicate a problem with the configuration of the Ceph cluster. 98 TOTAL 189 TiB 93 TiB 96 TiB 96 TiB 50. osd. 44c€is€incomplete,€acting€[85,80] #€ceph€pg€force_create_pg€3. g. 986367 7f6e76e53700 5 osd. <id>, as well as optional base64 cepx key for dm-crypt lockbox access and a dm-crypt key. data pool seems to be OK - and, by the way, its PGs are 100% active+clean. I have recorded the information for a Ceph Hammer (ceph version 0. 7, that the LevelDB on osd. 66 incomplete [0, ceph pg dump_stuck stale ceph pg dump_stuck inactive ceph pg dump_stuck unclean 卡在 stale 状态的 PG 通过重启 ceph-osd 进程通常可以修复；卡在 inactive 状态的 PG 通常是互联问题（参见 PG 挂了 —— 互联失败 ）；卡在 unclean 状态的 PG 通常是由于某些原因阻止了恢复的完成，像未找到 Tracking object placement on a per-object basis within a pool is computationally expensive at scale. com Ceph is checking the placement group and repairing any inconsistencies it finds (if possible). 63869 1. 2 is stuck inactive for 35164. 220:6801/8651 5) Import the data from the unaffected OSD into all osds that are noted in "probing_osds" None of these had any effect on the stuck incomplete PG. 77) -> up [7,2] acting [7,2] $ ceph osd tree # id weight type name up/down A simple command can give use the PG: bash $ sudo ceph health detail HEALTH_ERR 1 pgs inconsistent; 2 scrub errors pg 17. To return the PG to an active+clean state, you must first determine which of the PGs has become inconsistent and then run the pg repair command on it. 1c1 and check if this will fix your issue Issue. ssd. ceph pg repair ID. 758868, current state active [prev in list] [next in list] [prev in thread] [next in thread] List: ceph-users Subject: [ceph-users] Re: EC 8+3 Pool PGs stuck in remapped+incomplete From: Jayanth Reddy <jayanthreddy5666 gmail ! com> Date: 2023-06-17 16:36:59 Message-ID: CAKk1bUxUuqXLcBTnvsR_14iNzQp_UTqaHNmWig9xn5tMyVN6+A mail ! gmail ! com # ceph health detail | grep incomplete pg 6. 001%), 1 We have a CEPH setup with 3 servers and 15 OSDs. ceph fs new cephfs cephfs_metadata ECtemppool. noup - OSDs are not allowed to start. I have a cluster with ~80TB of spinning disk. Before you can write data to a PG, it must be in an active state and it will preferably be in a clean state. These PGs are referencing OSD. Usage: ceph pg repair <pgid> Subcommand scrub starts scrub on <pgid>. When I had PGs stuck with down_osds_we_would_probe, there was no way I could convince Ceph to give up on the data while those OSDs were down. > > We tried to flush the cache tier, and restart OSD 68 & 69, without > > any > > success. 7 and re-introduce it as an empty OSD with ID 7 When this was done the PG peered instantly and went PG stuck with 'active+remapped' forever with cluster wide change (add/remove OSDs) Once you increase the number of placement groups, you must also increase the number of placement groups for placement (pgp_num) before your cluster will rebalance. 3e9 query", "ceph health detail", as well as "ceph -s" The pool in question is largely read-only (it is an openstack rbd image pool) so I can leave it like this for the time being. Troubleshooting Ceph placement groups Listing placement groups stuck in stale, inactive, or unclean states Find and troubleshoot Ceph placement group (PG) PG_DEGRADED Degraded data redundancy: 12 pgs undersized pg 2. txt and the same for the other affected pools. 37 Peering . 查找历史pg所在osd和其他副本pg所在osd，查看pg中的对象，先对比pg的主副本之间 pg里面的对象数 哪个对象数多 就把哪个pg export出来，然后import到对象数少的pg里面，选择完整对象的pg导出，再导入到主pg中（导入前备份） were in incomplete+remapped state. 文章浏览阅读1. Well on drive, I can find thoses parts : - cs0 on OSD 29 and 30 - cs1 on OSD 18 and 19 Learn to troubleshoot the most common errors that are related to the Ceph Placement groups (PGs). forced_recovery. Grep for ones that are inactive / incomplete. c13 is incomplete, acting [42,26] PG_DEGRADED Degraded data redundancy: 4 pgs unclean pg 11. 在架构层次上，PG位于RADOS层的中间。 a. There should be a column which shows all the OSDs that the are actively serving the pg. Subject: Re: PG stuck incomplete; From: Eugen Block <eblock@xxxxxx>; Date: Fri, 21 Sep 2018 13:10:20 +0000; In Le vendredi 21 septembre 2018 à 19:45 +0200, Paul Emmerich a écrit : > The cache tiering has nothing to do with the PG of the underlying > pool > being incomplete. > 5) Import the data from the unaffected OSD into all osds that are noted > in 1 pgs incomplete 1 pgs stuck inactive 100 requests are blocked > 32 sec 6 ops are blocked > 67108. PG “laggy” state While the PG is active, pg_lease_t and pg_lease_ack_t messages are regularly exchanged. 1 requests a temporary acting set of OSD 1, 2, and 3 while backfilling 4. > > I meant the replication size of the pool > > ceph osd pool Subcommand new can be used to create a new OSD or to recreate a previously destroyed OSD with a specific id. This page contains commands for diagnosing PGs and the command for repairing PGs that have become Based on some incomplete documentation I have, so far I've Gone to each node and nuked all the shards out of the OSD by stopping the OSD, then using ceph-objectstore-tool to remove the shards for that PG, then starting the OSD back up. 399 --data-path /mnt/old --journal CEPH Filesystem Users — Re: PG stuck incomplete Subject: Re: PG stuck incomplete; From: Olivier Bonvalet <ceph. Troubleshooting PGs¶ Placement Groups Never Get Clean¶. Ceph is migrating/synchronizing objects and their replicas. 766607, current state incomplete, last acting [28,35,2] [ceph-users] PG stuck remapped+incomplete Hein-Pieter van Braam 2016-07-16 17:55:16 UTC Hi all, I had a crash of some OSDs today, every primary OSD of a particular PG just started to crash. 0. 84 is incomplete, acting [28,21,8] pg 3. Ceph - Bug #10411 PG stuck incomplete after failed node 12/22/2014 07:52 AM - Brian Rak Status: Can’t reproduce % Done: 0% Priority: High Spent time: 0. They're stuck in "not enough instances of the PG". Its primary role is cephfs. best regards pg 11. 00000 3. Copy the PG file to another server with an available OSD and enough capacity to receive the new PG. 333%), 70 pgs degraded, 169 pgs undersized [WRN] PG_DEGRADED: Degraded data redundancy: 246/738 objects degraded (33. Ensure that Monitors are able to form a quorum. ea is stuck inactive since forever, current state incomplete, last acting [30,11] pg 3. 889973, current state unknown, last acting [] pg 0. 6ae 0 0 0 0 0 0 0 0 incomplete 2014-11-11 17:34:27. After rebuilding the osd-disk one PG are incomplete: ceph -s cluster 591db070-15c1-4c7a-b107-67717bdb87d9 health HEALTH_WARN 1 pgs incomplete; 1 pgs stuck inactive; 1 pgs stuck unclean root at ceph-04:~# ceph pg dump_stuck inactive ok pg_stat objects mip degr unf bytes log disklog state state_stamp v reported up acting last_scrub One of the placement groups is incomplete and when running a ceph pg <pg id> query it just hangs. > > I meant the replication size of the pool > > ceph osd pool Le vendredi 21 septembre 2018 à 19:45 +0200, Paul Emmerich a écrit : > The cache tiering has nothing to do with the PG of the underlying > pool > being incomplete. Inactive: Placement groups cannot process reads or writes because they are waiting for an OSD with the most up-to-date data to come back up. I tried ceph osd lost, ceph pg mark_unfound_lost, ceph pg force_create_pg. Usage: ceph pg scrub <pgid> Subcommand set_full_ratio sets ratio at which. e4b is remapped+incomplete, acting [2147483647,66,15,73,2147483647] (reducing pool cdvr_ec min_size from 4 may help; search ceph. 2d is data: pools: 1 pools, 128 pgs objects: 0 objects, 0 B usage: 20 MiB used, 15 TiB / 15 TiB avail pgs: 100. 97 ssd 36 TiB 19 TiB 18 TiB 18 TiB 48. OSDMAP_FLAGS¶. A PG has one or more states. 29 unknown [] -1 [] -1 20. 885 7f706d0cb700 -1 WARNING: all dangerous Troubleshooting PGs Placement Groups Never Get Clean . Ceph status returns "[WRN] PG_AVAILABILITY: Reduced data availability: xx pgs inactive, xx pgs peering" Example: # ceph -s cluster: id: 5b3c2fd{Cluster ID Obfuscated}16bfb00 health: HEALTH_WARN 1 MDSs report slow metadata IOs 1 MDSs report slow requests 1 MDSs behind on trimming Reduced data availability: 6 pgs inactive, 6 pgs peering 30 secs [WRN] Below is the # ceph status > > # ceph -s > cluster: > id: 30d6f7ee-fa02-4ab3-8a09-9321c8002794 > health: HEALTH_WARN > noscrub,nodeep-scrub flag(s) set > 1 pools have many more objects per pg than average > Reduced data availability: 5 pgs inactive, 5 pgs incomplete > Degraded data redundancy: 44798/8718528059 objects degraded > (0. PG stuck incomplete [Thread Prev][Thread Next][Thread Index] Subject: PG stuck incomplete; From: Olivier Bonvalet <ceph. Sometimes a Placement Group (PG) might become inconsistent. ceph pg deep-scrub <PG_ID> Also please add ceph osd pool ls detail to see if any flags are set. A PG goes into a incomplete state when there is incomplete content and peering fails, that is, when there are no complete OSDs which are current enough to perform recovery. list@xxxxxxxxx> Date: Fri, 21 Sep 2018 12:55:59 +0200; In-reply-to: <20180921093443. creating. 2、操作步骤： 第一步：通过命令ceph pg dump_stuck |grepincomplete >incomplete. They should be recovering. 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 Unclean: Placement groups contain objects that are not replicated the required number of times. 1 b incomplete [3, 0] 3 [3, 0] 3 1. The possible states are: QUEUED: the PG is in the RemoveWQ Brought to you by the Ceph Foundation. ingersoll@xxxxxxxxxxxxxx>; Subject: Re: incomplete pgs - cannot clear; From: Sage Weil <sage@xxxxxxxxxxxx>; Date: Thu, 14 Jun 2018 15:53: Peering¶. 882019, current state incomplete, last I have an issue where I have 1 pg in my ceph cluster marked as: pg 2. Ok, so the problematic PG is 17. Well on drive, I can find thoses parts : - cs0 on OSD 29 and 30 - cs1 on OSD 18 and 19 I set up my Ceph Cluster by following this document. For Ceph to determine the current state of a PG, peering must take place. 16f is incomplete, acting [20,8,21] pg 3. noin - OSDs that were previously marked out will not CEPH Filesystem Users — Re: PG stuck incomplete. 37 unknown [] -1 [] -1 20. Since ceph osd stat returns that all The PGs are stuck in 'creating+incomplete' status after creating an erasure coded pool on a vstart cluster. activating HEALTH_WARN 3 pgs down; 41 pgs incomplete; 41 pgs stuck inactive; 41 pgs stuck unclean; 3 requests are blocked > 32 sec # ceph health detail pg 24. 16 unknown [] -1 [] -1 # 2. 0 is stuck undersized for 2h, current state active+undersized, last acting [3,0,1,NONE Ceph - Bug #11687 stuck incomplete 05/20/2015 06:01 PM - Samuel Just Status: Resolved % Done: 0% Priority: Urgent Spent time: 0:00 hour Assignee: Samuel Just 2015-05-20 08:06:31. recovering. In some situations when the PG didn't complete peering, the pg query command will hang. The problem that im having is when I run ceph status, I get a health warm message that tells me "1 pg undersized". CEPH Filesystem Users — PG's stuck incomplete on EC pool after multiple drive failure Subject: PG's stuck incomplete on EC pool after multiple drive failure; From: Malcolm Haak <insanemal@xxxxxxxxx> Date: Fri, 29 Mar 2024 10:52:04 +1000; Hello all. gmail. Well on drive, I can find thoses parts : - cs0 on OSD 29 and 30 - cs1 on OSD 18 and 19 CEPH Filesystem Users — Re: PG stuck incomplete Subject: Re: PG stuck incomplete; From: Eugen Block <eblock@xxxxxx> Date: Fri, 21 Sep 2018 13:10:20 +0000; In-reply-to: <CAMWbyQ=kWg8mkroZUuErAHSxkp7EX+0aFXkZ2R7K8L+U69Xwbg@mail. Should be used to handle inconsistent PGs, yet the IBM docs suggest that we should be running: . 00 hour pg€3. incomplete: Peering过程中，由于无法选出权威日志或者选出的acting set不足以完成数据修复 # 1. 736686, current state active+undersized, last acting [6,5] [rook@rook-ceph-tools-778899f66d-9xhfx /]$ ceph health detail HEALTH_WARN Degraded data redundancy: 246/738 objects degraded (33. 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 ceph pg ls-by-pool newpool incomplete ==> all my pgs are listed. , running ceph-w or ceph-s), Ceph will report on the status of the placement groups. 1d is stuck undersized for 115. 96 pgs inactive pg 0. lookup(pgid) will return a null ref only if there are no collections currently being deleted for that pg. Yep : pool 38 'cache-bkp-foo' replicated size 3 min_size 2 crush_rule 26 object_hash rjenkins pg_num 128 pgp_num 128 last_change 585369 lfor 68255/68255 flags hashpspool,incomplete_clones tier_of 37 cache_mode readproxy target_bytes 209715200 hit_set bloom{false_positive_probability: 0. e. stuck incomplete. VMware Consolidate disk space has been going for 25 Hrs and stuck at 17% How to fix this kind of problem, please know the solution provided, thank you [root@rook-ceph-tools-7f6f548f8b-wjq5h /]# ceph health detail HEALTH_WARN Reduced data availability: 4 pgs inactive, 4 pgs incomplete; 95 slow ops, oldest one # ceph health detail | grep incomplete pg 6. 往下负责将这些数据请求翻译为能够被本地对象存储所能 Peering . 009928, current state incomplete, last acting [1,3] pg 13. Post by Mateusz SkaÅ a Hi, After some hardware errors one of pg in our backup server is 'incomplete'. Ceph is still creating the placement group. However, if a client request comes in and the lease has expired (readable_until has passed), the PG will go into a LAGGY state and request will be blocked. The new OSD will have the specified uuid, and the command expects a JSON file containing the base64 cephx key for auth entity client. 38 is stuck inactive for 308757. 创建PG root@storage01-ib:~# ceph osd force-create-pg 20. The mon_pg_stuck_threshold option in the Ceph configuration file determines the number of For stuck stale placement groups, it is normally a matter of getting the right ceph-osd daemons running again. fa is stuck unclean for 11649. The optimum state for PGs in the PG map is an active + clean state. ceph: 370 pgs are stuck inactive for more than 300 继上次分享的《Ceph介绍及原理架构分享》，这次主要来分享Ceph中的PG各种状态详解，PG是最复杂和难于理解的概念之一，PG的复杂如下：. You could share your osd tree and the crush rule as well as the erasure profile so we could get a better picture. 728186, current state active+undersized, last acting [3,7] pg 2. From the logs, it seems like the recovery progress is stuck in a loop. , the first OSD in the acting set), peers with the secondary and tertiary OSDs to establish agreement on the current state of the placement ceph pg ls Gives you a list of all pgs and their status. 115 is stuck undersized for 317. 7 pgs undersized pg 39. How can we continue debugging the PG to continue troubleshooting? Resolution. 1 1、使用ceph-objectstore-tool工具将incomplete状态的pg标记为complete. 1 is stuck inactive for 35164. However it doesn't start right away, what might be the cause of this? ceph pg ID query hangs/ stuck/unclean PG. 77 (4. None of these had any effect on the stuck incomplete PG. txt ceph pg 37. This tuneable can also be changed, but I dont suggest it here. emmerich@xxxxxxxx>; Date: Fri, 21 Sep 2018 19:45:53 +0200; Cc: Ceph Users <ceph-users@xxxxxxxxxxxxxx>; In Ok, so it's a replica 3 pool, and OSD 68 & 69 are on the same host. It's back to 5 now. 7TB of data on the > > EC > > pool). If I create anything that is less than 6 disks in any combination of k+m = 6 then it the pool is created successfully and pgs enter an active+clean state. I have one Manager Node, one Monitor Node, and three OSD Nodes. 737825, current state active+undersized, last acting [6,3] pg 2. All osd log shows nothing useful. The problem you have with pg 0. 77 is stuck inactive since forever, current state incomplete, last acting [7,2] $ ceph pg map 4. After that my cluster is stuck in the following status: ceph-dev /ceph/build # bin/ceph -s *** DEVELOPER MODE: setting PATH, PYTHONPATH and LD_LIBRARY_PATH *** 2018-03-20 09:22:52. These flags include: full - the cluster is flagged as full and cannot service writes. 1e is stuck undersized for 1398600. 1 query > query. pg 3. Rook's docs don't really have anything on it (I've searched). Listing placement groups stuck in stale, inactive, or unclean states After a failure, Find and troubleshoot Ceph placement group (PG) issues by finding inconsistencies. We would like The general consensus from those threads is that as long as down_osds_we_would_probe is pointing to any OSD that can't be reached, those PGs will remain stuck incomplete and can't how i can fix the PG warning? (i have backup for everything) but it don know what is deleted\corrupted. 0 query > query. ; When running a PG query against PGs the query shows peering_blocked_by_history_les_bound; Environment. Stop the target OSD service and mask it to prevent accidental [root@rook-ceph-tools-6cd9f76d46-bl4tl /]# ceph health detail HEALTH_WARN 1 MDSs report slow metadata IOs; Reduced data availability: 9 pgs inactive, 9 pgs down; Degraded data redundancy: 406/4078 objects degraded (9. Subcommand map shows mapping of pg to osds. You can try re-starting the last acting OSD, but failing that ceph pg <PG_ID> mark_unfound_lost {revert|delete} Placement Groups Never Get Clean If, after you have created your cluster, any We have all PGs active now except for 80 PGs that are stuck in the "incomplete" state. 10f is active+undersized+degraded, acting [13,10] pg 1. list@xxxxxxxxx>; Date: Fri, 21 Sep 2018 16:29:41 [root@rook-ceph-tools-68958dbb7f-klmcn /]# ceph df --- RAW STORAGE --- CLASS SIZE AVAIL USED RAW USED %RAW USED hdd 153 TiB 75 TiB 78 TiB 78 TiB 50. 9fb is stuck unclean since Peering . Wait until all PGs are in the active+clean state. CEPH Filesystem Users — Re: PG stuck incomplete. 009911, current state active+remapped+backfill_wait, last acting [36,15,42,4,21 ceph pg ls incomplete PG_STAT OBJECTS MISSING_ON_PRIMARY DEGRADED MISPLACED UNFOUND BYTES LOG DISK_LOG STATE STATE_STAMP VERSION REPORTED UP UP If you have stuck PGs with zero object count The Monitors report when placement groups (PGs) get stuck in a state that is not optimal. 查找丢失的PG root@storage01-ib:~# ceph pg dump_stuck unclean | grep unknown 20. 5 pg_epoch: 556 pg[1. 6a is incomplete, acting [30,27,8] Sample PG export: # ceph_objectstore_tool --op export --pgid 6. 21 dump will try to communicate directly with the OSD that hosts the pg. If an OSD fails or the cluster re-balances, Ceph can move or replicate an entire # ceph -s cluster: id: 34d755a4-25be-4436-ab56-844a8a6da2fd health: HEALTH_WARN 1 OSD(s) have spurious read errors 2 MDSs report slow metadata IOs pg 6. 113 is stuck undersized for 317. Help would be very much appreciated! Thank you, - Hein-Pieter van ceph osd pool create ECtemppool 128 128 erasure default. 59 --- POOLS --- POOL ID STORED OBJECTS USED %USED MAX AVAIL replicapool 1 32 TiB 8. rados -p ECtemppool ls. 106. When you create a cluster and your cluster remains in active, active+remapped or active+degraded status and never achieve an active+clean status, you likely have a problem with your configuration. 0-1 ; Hello, on a Luminous cluster, I have a PG incomplete and I can't find how to fix that. 3 is stuck inactive since forever, current state down+incomplete, last acting [5,4,8] pg 0. The placement group is waiting in line to start recover. 399 --data-path /mnt/old --journal However I have one pg which is stuck in state remapped+incomplete because it has only 4 out of 6 osds running, and I have been unable to imported the pg shard from osd 239 (using ceph-objectstore-tool). 455%); 1/3 in osds are down pg 0. 44c€now€creating,€ok #€ceph€pg€force_create_pg€14. 720 is stuck unclean since forever, current state incomplete, last acting [21,10] pg 11. Note which osds they are on - it is listed in the square brackets with the primary being the first in the list. We tried to repair each PG using "ceph pg repair <pgid>" still no luck. Now try restarting the primary osd for the stuck pg and see if Please run commands similar to this one: ceph pg 37. 168078 0'0 CEPH Filesystem Users — Re: PG stuck incomplete. 126 is stuck unclean since forever, current state down+incomplete, last acting [7,8] Hi, have you tried restarting the primary OSD (currently 343)? It looks like this PG is part of an EC pool, are there enough hosts available, assuming your failure-domain is host?I assume that ceph isn't able to recreate the shard on a different OSD. , the first OSD in the acting set), peers with the secondary and tertiary OSDs to establish agreement on the current state of the placement 2) Export the winner using ceph-objectstore-tool, use ceph-objectstore-tool to delete *all* copies of the pg, use force_create_pg to recreate the pg empty, use ceph-objectstore-tool to do a rados import on the exported pg copy. I have attached the output of "ceph pg 54. > 4) When this did not work, import the data exported from the unaffected > OSD into the two remaining osds. 21 dump is probably the same issue. The rbd. 130 Running a: â ceph pg 15. 838131, current state active+undersized, last acting [1,10] pg 39. Iâ ve tried setting OSD 130 as down, but then OSD 210 becomes the one keeping things stuck (query hangs), same for OSD 148. Concerning PG states are inactive, incomplete, and unknown. PG “wait” state Out cluster has been showing `Possible data damage: 5 pgs inconsistent` for about a week now. nodown - OSD failure reports are being ignored, such that the monitors will not mark OSDs down. activating The "queued for deep scrub" bit is simply the fact that ceph will not allow scrubbing operations on OSDs currently performing recovery. Then we planned to remove incomplete PG's using below procedure. This has worked in the past however something is stuck now. Placement Groups are "stuck" in a peering state and don't seem to be recovering any more. High recovery priority of that PG is enforced by user. That is, the primary OSD of the PG (the first HEP Ceph Meeting 6th March 2017 6 How it was finally resolved Data loss had already occurred as part of previous attempts A Ceph developer suggested, based on logs from osd. The PGs are stuck in 'creating+incomplete' status after creating an erasure coded pool on a vstart cluster. 77 osdmap e21759 pg 4. Updated almost 11 years ago. 1. 94. I added 3 unformatted disk to the vm and its connected. For stuck inactive placement groups, it is usually a peering problem (see Gone to each node and nuked all the shards out of the OSD by stopping the OSD, then using ceph-objectstore-tool to remove the shards for that PG, then starting the OSD back up. Le vendredi 21 septembre 2018 à 19:45 +0200, Paul Emmerich a écrit : > The cache tiering has nothing to do with the PG of the underlying > pool > being incomplete. e4b pg 1. 3d is active+clean+inconsistent, acting [1,5,3] I have tried doing ceph pg repair The ceph status like : HEALTH_ERR 1025 pgs backfill; 17 pgs backfilling; 350 pgs degraded; 2 pgs down; 3 pgs incomplete; 1 pgs inconsistent; 6 pgs recovering; 346 pgs recovery_wait; 3 pgs stuck inactive; 1455 pgs stuck unclean; 105 requests are blocked > 32 sec; 2 osds have slow requests; recovery 1738521/7698075 objects degraded (22. 9 sec on osd. Red Hat Ceph Storage (all versions) Red Hat Openshift Data Foundation (all versions) Ok, so it's a replica 3 pool, and OSD 68 & 69 are on the same host. After setup everything is right, but pg state keeps undersized+peered. 1. pauserd, pausewr - paused reads or writes. 22 is stuck undersized for 115. 5 is stuck inactive for 4502. 889973 HEALTH_WARN 1 pgs incomplete; 1 pgs stuck inactive; 1 pgs stuck unclean; 2 requests are blocked > 32 sec; 1 osds have slow requests pg 4. " In your case, you do CEPH Filesystem Users — Re: PG stuck incomplete. 220:6801/8651 After this the PG was still showing incomplete and ceph pg dump_stuck inactive shows - pg_stat objects mip degr misp unf bytes log disklog state state_stamp v reported up up_primary acting acting_primary last_scrub scrub_stamp last_deep_scrub deep_scrub_stamp 8. In such a situation, review the settings in the Pool, PG and CRUSH Config Reference and make Struggling to use ceph-objectstore-tool on the OSD. In fact, one object (only one) seem to be blocked on the cache tier (writeback). ceph pg dump_stuck stale ceph pg dump_stuck inactive ceph pg dump_stuck unclean. 8 which we removed 2 weeks ago due to corruption. All disk is freshly installed stand-alone XFS, size range from 3TB to 4TB without a partition table. 3e9 query", "ceph health detail", as well as "ceph -s" The pool in question is largely read-only (it is an openstack rbd image pool) so I can leave it like The ceph health detail command reports that some placement groups are down: . When I do the re-create PG it just hangs. ceph osd pool set ECtemppool allow_ec_overwrites true. 購入する または契約更新する 182 pgs undersized pg 1. 1 is down since epoch 69, last address 192. During this time, if OSD 1, 2, and 3 recovery_wait; 28 pgs stale; 115 pgs stuck inactive; 28 pgs stuck stale; 1132 pgs stuck unclean; 10 requests are blocked > 32 sec; recovery 9 stale+incomplete, 1 active+recovery_wait+degraded+remapped; 6883 GB data, 9043 GB used, 36941 GB is it possible you've done any shenanigans like 'ceph pg force_create_pg ' at some point in the Try running "ceph pg dump" to list all the pgs. 0 is stuck inactive for 35164. 665758, current state incomplete, last acting [1,3] pg 13. > You are just seeing these requests as stuck because it's the only > thing trying to write to the underlying pool. activating Peering . 29 is stuck undersized for 115. CEPH Filesystem Users — PG stuck incomplete. 2. ag> Subject: Re: PG stuck incomplete; From: Paul Emmerich <paul. ceph pg deep-scrub ID Currently I am trying to create an erasure coded pool of k=8 m=2, however after adding this profile and create an ecpool with this profile the pools is always stuck on creating+incomplete. c2 is incomplete, acting [30,25,4] pg 6. Recently I had a I've created a new ceph cluster with 1mon 1mds 1mgr and 15osd. Specifying a dm-crypt requires Enhancement #6116: osd: incomplete pg from thrashing on next. You may need to review settings in the Pool, PG and CRUSH Config Reference and make appropriate adjustments. The optimum state for placement groups in the placement group map is active + clean. I have 10 incomplete PG's that I can't seem to destroy/recreate the PG's. 12. 584%); 45/ After a major network outage our ceph cluster ended up with an inactive PG: # ceph health detail HEALTH_WARN 1 pgs incomplete; 1 pgs stuck inactive; 1 pgs stuck unclean; 1 requests are blocked > 32 sec; 1 osds have slow requests pg 3. 5k次。某运营商的Kubernetes项目物理机停机维护，重启后Kubernetes部分pod无法挂载PVC，请求超时。该Kubernetes集群的后端存储使用ceph rbd块存储，检查ceph集群状态异常。集群检查提示PG_AVAILABILITY(数据可用性降低)，这说明群集无法满足群集中某些数据的潜在读取或写入请求。 Peering . Usage: ceph pg map <pgid> Subcommand repair starts repair on <pgid>. The pgp_num will be the number of placement groups that will be considered for placement by the CRUSH algorithm. recovery_toofull CEPH PG incomplete状态修复 [root@ceph-node01~]# ceph pg dump_stuck ok PG_STAT STATE UP UP_PRIMARY ACTING ACTING_PRIMARY 1. 4 is down+peering osd. 4e( empty local-les=0 n=0 ec=5 les/c 473/473 556/556/556) [5,0] r=0 lpr=556 pi=471-555/9 crt=0'0 mlcod 0'0 peering (this did not work, I set them back in) > 3) use ceph-objectstore-tool to export the pg from the 2 osds that went > down, then removed it, restarted the osds. Specify the pool name and the new value, for example: # ceph osd pool set data pg_num 4; Monitor the status of the cluster: # ceph -s. Subject: Re: PG stuck incomplete; From: Olivier Bonvalet <ceph. To facilitate high performance at scale, Ceph subdivides a pool into placement groups, assigns each individual object to a placement group, and assigns the placement group to a primary OSD. Would like to get some ideas on this as it looks like an OSD bug. 0 is stuck undersized for 11m, current Ceph marks a placement group as unclean if it has not achieved the active+clean state for the number of seconds specified in the mon_pg_stuck_threshold parameter in the Ceph configuration file. id and the command gives "instructing pg x on osd y to repair" seems to be working as intended. A simple command can give use the PG: bash $ sudo ceph health detail HEALTH_ERR 1 pgs inconsistent; 2 scrub errors pg 17. 3b3 queryâ hangs without response. For Ceph to determine the current state of a placement group, the primary OSD of the placement group (i. 441 The DeletingState for a pg also carries information about the status of the current deletion and allows the deletion to be cancelled. One or more cluster flags of interest has been set. 往上负责接收和处理来自客户端的请求。 b. The DeletingState for a pg also carries information about the status of the current deletion and allows the deletion to be cancelled. recovery_wait. Repairing PG Inconsistencies¶. 000% pgs not active 128 undersized+peered [root@rook-ceph-tools-74df559676-scmzg /]# ceph osd df ID CLASS WEIGHT REWEIGHT SIZE RAW USE DATA OMAP META AVAIL %USE VAR PGS STATUS 0 hdd 3. For example, OSD 1, 2, and 3 are the acting OSD set and it switches to OSD 1, 4, and 3, then osd. HEALTH_WARN 1 pgs incomplete; 1 pgs stuck inactive; 1 pgs stuck unclean pg 3. ceph pg 15. 6 is stuck inactive for 1547. Everything seems to be working. Two weeks ago We got "2 OSDs nearly full" warning. For stuck inactive placement groups, it is usually a peering problem (see Placement Group Down - Peering Failure). Stale: Placement groups are in an unknown state, because the OSDs that host them have not Each item in RemoveWQ carries a reference to the DeletingState for the relevant pg such that deleting_pgs. When checking a cluster’s status (e. When you create a cluster and your cluster remains in active, active+remapped or active+degraded status and never achieves an active+clean status, you likely have a problem with your configuration. ceph osd erasure-code-profile set default crush-failure-domain=osd crush-root=default k=4 m=2 --force. 5) Import the data from the unaffected OSD into all osds that are noted in "probing_osds" None of these had any effect on the stuck incomplete PG. Community. 979770, current state incomplete, last acting [1,3] When you check the storage cluster’s status with the ceph -s or ceph -w commands, Ceph reports on the status of the placement groups (PGs). 37. The Ceph Documentation is a community resource funded and hosted by the non-profit Ceph Foundation. Horde. ea is incomplete, acting [30,11] I've restarted both OSD a few times but it hasn't cleared the Subject: Re: PG stuck incomplete; From: Paul Emmerich <paul. There is a short window of opportunity during OSD startup when the PG can still be Troubleshooting PGs Placement Groups Never Get Clean . In such a situation, review the settings in the Pool, PG and CRUSH Config Reference and make ceph pg dump pgs | awk '{print $1" "$23}' | column -t Sort the output if necessary, and you can issue a manual deep-scrub on one of the affected PGs to see if the number decreases and if the deep-scrub itself works. Added by Samuel Just almost 11 years ago. 31M 96 TiB To: Wyllys Ingersoll <wyllys. You can always try to run ceph pg repair 17. After which they crash with the same assert. Increasing pg_num splits the placement groups but data will not be migrated to the CEPH Filesystem Users — Re: PG stuck incomplete. 05, target_size: 0, seed: 0} When checking a cluster’s status (e. For stuck stale placement groups, it is normally a matter of getting the right ceph-osd daemons running again. 5f is stuck undersized for 23h, current state active+undersized+degraded+remapped+backfill_wait, last acting [90,2147483647,173,107,78] You are most likely to have a network configuration that does not allow some OSDs to talk to each other. A placement group has one or more states. The default value of mon_pg_stuck_threshold is 300 seconds. 3e9 query", "ceph health detail", as well as "ceph -s" The pool in question is largely read-only (it is an openstack rbd image pool) so I can leave it like pg 0. 885 7f706d0cb700 -1 WARNING: all dangerous and Peering . , the first I'm deploying rook-ceph into a minikube cluster. The mon_pg_stuck_threshold option in the Ceph configuration file determines the number of seconds after which placement groups are considered inactive, unclean, or stale. Once the lease is renewed, the request(s) will be requeued. Ceph: too many PGs per OSD. ceph osd pool create cephfs_metadata 128. Usage: ceph pg scrub <pgid> Subcommand set_full_ratio sets ratio at which Peering¶. Issued a ceph osd force-create-pg to recreate the PG. 834372, current state active+undersized+degraded, last acting [12,3] pg 1. 590587, current state active+undersized+remapped, last acting [10,1] pg 39. ea is stuck unclean since forever, current state incomplete, last acting [30,11] pg 3. nwkv kgz tmnvdeb jdb xerf cts ihxaicdv bmei movkkrnf rxnjjyr