Ceph pg stuck incomplete. These PGs are referencing OSD.

Ceph pg stuck incomplete ceph fs new cephfs cephfs_metadata ECtemppool. CEPH Filesystem Users — Re: PG stuck incomplete. ID should do the trick). 834372, current state active+undersized+degraded, last acting [12,3] pg 1. 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. 333%), 70 pgs degraded, 169 pgs undersized pg 2. 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. 7, that the LevelDB on osd. 0-1 ; Hello, on a Luminous cluster, I have a PG incomplete and I can't find how to fix that. The possible states are: QUEUED: the PG is in the RemoveWQ Brought to you by the Ceph Foundation. The DeletingState for a pg also carries information about the status of the current deletion and allows the deletion to be cancelled. 1e is stuck undersized for 1398600. However it doesn't start right away, what might be the cause of this? ceph pg ID query hangs/ stuck/unclean PG. 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. Le vendredi 21 septembre 2018 à 11:09 +0000, Eugen Block a écrit : > > cache-tier on this pool have 26GB of data (for 5. 9fb is incomplete, acting [32,43] pg 11. ceph pg 15. Two weeks ago We got "2 OSDs nearly full" warning. 986367 7f6e76e53700 5 osd. Before you can write data to a placement group, it must be in an active state, and it should be in a clean state. 168078 0'0 CEPH Filesystem Users — Re: PG stuck incomplete. 77 is stuck inactive since forever, current state incomplete, last acting [7,2] $ ceph pg map 4. 0 is stuck inactive for 35164. 22 is stuck undersized for 115. 创建PG root@storage01-ib:~# ceph osd force-create-pg 20. 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. 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. 956%), 50 pgs degraded, 150 pgs undersized; 1 daemons have recently crashed; 256 slow ops, oldest one blocked for 6555 sec, osd. ceph pg dump_stuck stale ceph pg dump_stuck inactive ceph pg dump_stuck unclean. I have attached the output of "ceph pg 54. 0. 2 is stuck inactive for 35164. Ensure that Monitors are able to form a quorum. 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. #ceph health detail | grep 1. 1 requests a temporary acting set of OSD 1, 2, and 3 while backfilling 4. 115 is stuck undersized for 317. The default value of mon_pg_stuck_threshold is 300 seconds. 7 is stuck undersized for 1398599. 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. All disk is freshly installed stand-alone XFS, size range from 3TB to 4TB without a partition table. data pool seems to be OK - and, by the way, its PGs are 100% active+clean. Before you can write data to a PG, it must be in an active state and it will preferably be in a clean state. list@xxxxxxxxx> Date: Fri, 21 Sep 2018 12:55:59 +0200; In-reply-to: <20180921093443. 7 pgs undersized pg 39. com Ceph is checking the placement group and repairing any inconsistencies it finds (if possible). 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. PG “wait” state Out cluster has been showing `Possible data damage: 5 pgs inconsistent` for about a week now. Contrary to most ceph commands that communicate with the MON, pg 0. 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. 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. CEPH Filesystem Users — EC 8+3 Pool PGs stuck in remapped+incomplete CEPH Filesystem Users — Re: PG stuck incomplete. e. 0. 21 dump will try to communicate directly with the OSD that hosts the pg. There should be a column which shows all the OSDs that the are actively serving the pg. The pgp_num will be the number of placement groups that will be considered for placement by the CRUSH algorithm. I agree, It was just to be sure that the problems on OSD 32, 68 and 69 are related to only one "real" problem. The Ceph Documentation is a community resource funded and hosted by the non-profit Ceph Foundation. There is a short window of opportunity during OSD startup when the PG can still be Troubleshooting PGs Placement Groups Never Get Clean . The optimum state for placement groups in the placement group map is active + clean. 00000 3. Before troubleshooting Ceph placement groups: Verify your network connection. The rbd. One or more cluster flags of interest has been set. ; When running a PG query against PGs the query shows peering_blocked_by_history_les_bound; Environment. Usage: ceph pg repair <pgid> Subcommand scrub starts scrub on <pgid>. activating The "queued for deep scrub" bit is simply the fact that ceph will not allow scrubbing operations on OSDs currently performing recovery. 399 --data-path /mnt/old --journal CEPH Filesystem Users — Re: PG stuck incomplete Subject: Re: PG stuck incomplete; From: Olivier Bonvalet <ceph. ceph pg repair ID. . Its primary role is cephfs. 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. 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. You can always try to run ceph pg repair 17. 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. The optimum state for PGs in the PG map is an active + clean state. 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. emmerich@xxxxxxxx>; Date: Fri, 21 Sep 2018 19:45:53 +0200; Cc: Ceph Users <ceph-users@xxxxxxxxxxxxxx>; In CEPH Filesystem Users — PG stuck incomplete. Should be used to handle inconsistent PGs, yet the IBM docs suggest that we should be running: . 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. 5 is down+peering pg 1. You could share your osd tree and the crush rule as well as the erasure profile so we could get a better picture. ag> Subject: Re: PG stuck incomplete; From: Paul Emmerich <paul. Usage: ceph pg map <pgid> Subcommand repair starts repair on <pgid>. 84 is incomplete, acting [28,21,8] pg 3. <id>, as well as optional base64 cepx key for dm-crypt lockbox access and a dm-crypt key. , the first I'm deploying rook-ceph into a minikube cluster. Help would be very much appreciated! Thank you, - Hein-Pieter van ceph osd pool create ECtemppool 128 128 erasure default. 367 is stuck inactive for 912263. 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. Once the lease is renewed, the request(s) will be requeued. lookup(pgid) will return a null ref only if there are no collections currently being deleted for that pg. 94. When I do the re-create PG it just hangs. The placement group is waiting in line to start recover. best regards pg 11. 29 unknown [] -1 [] -1 20. 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. nodown - OSD failure reports are being ignored, such that the monitors will not mark OSDs down. 1 query ==> state ; "creating+incomplete" "up" and "acting" contain only the osd '1' as first element, and 'null'(2147483647) at all other positions. 106. 7 seemed to have been corrupted He suggested that we format osd. It's back to 5 now. gmail. This tuneable can also be changed, but I dont suggest it here. CEPH Filesystem Users — PG stuck incomplete. txt and the same for the other affected pools. A simple command can give use the PG: bash $ sudo ceph health detail HEALTH_ERR 1 pgs inconsistent; 2 scrub errors pg 17. Recently I had a I've created a new ceph cluster with 1mon 1mds 1mgr and 15osd. 1 1、使用ceph-objectstore-tool工具将incomplete状态的pg标记为complete. 63869 1. The PGs state will change from creating to active+clean. A PG has one or more states. 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. Grep for ones that are inactive / incomplete. 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：. 3 is stuck inactive since forever, current state down+incomplete, last acting [5,4,8] pg 0. 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 . 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. 查找丢失的PG root@storage01-ib:~# ceph pg dump_stuck unclean | grep unknown 20. rados -p ECtemppool ls. 9fb is stuck unclean since Peering . ceph osd pool set ECtemppool allow_ec_overwrites true. I have recorded the information for a Ceph Hammer (ceph version 0. 77 osdmap e21759 pg 4. 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. 333%), 70 pgs degraded, 169 pgs undersized [WRN] PG_DEGRADED: Degraded data redundancy: 246/738 objects degraded (33. 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. 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. ingersoll@xxxxxxxxxxxxxx>; Subject: Re: incomplete pgs - cannot clear; From: Sage Weil <sage@xxxxxxxxxxxx>; Date: Thu, 14 Jun 2018 15:53: Peering¶. Note which osds they are on - it is listed in the square brackets with the primary being the first in the list. 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. 885 7f706d0cb700 -1 WARNING: all dangerous and Peering . Iâ ve tried setting OSD 130 as down, but then OSD 210 becomes the one keeping things stuck (query hangs), same for OSD 148. Ceph is migrating/synchronizing objects and their replicas. 6a is incomplete, acting [30,27,8] Sample PG export: # ceph_objectstore_tool --op export --pgid 6. Listing placement groups stuck in stale, inactive, or unclean states After a failure, Find and troubleshoot Ceph placement group (PG) issues by finding inconsistencies. 59 --- POOLS --- POOL ID STORED OBJECTS USED %USED MAX AVAIL replicapool 1 32 TiB 8. After which they crash with the same assert. They should be recovering. 1 is down since epoch 69, last address 192. 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. 3b3 queryâ hangs without response. 130 Running a: â ceph pg 15. activating Peering . 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. 885 7f706d0cb700 -1 WARNING: all dangerous Troubleshooting PGs Placement Groups Never Get Clean . 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. 37 unknown [] -1 [] -1 20. > > 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. 購入する または契約更新する 182 pgs undersized pg 1. (stuck at creating+incomplete) when we created the pool. For stuck inactive placement groups, it is usually a peering problem (see Placement Group Down - Peering Failure). 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. 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¶. 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. 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. 4 is down+peering osd. e4b is remapped+incomplete, acting [2147483647,66,15,73,2147483647] (reducing pool cdvr_ec min_size from 4 may help; search ceph. 001%), 1 We have a CEPH setup with 3 servers and 15 OSDs. 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. PG stuck incomplete [Thread Prev][Thread Next][Thread Index] Subject: PG stuck incomplete; From: Olivier Bonvalet <ceph. Stuck inactive incomplete PGs in Ceph. 05, target_size: 0, seed: 0} When checking a cluster’s status (e. 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. 455%); 1/3 in osds are down pg 0. 44c pg€3. 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. 1 b incomplete [3, 0] 3 [3, 0] 3 1. 1c1 is active+clean+inconsistent, acting [21,25,30] 2 scrub errors. I have one Manager Node, one Monitor Node, and three OSD Nodes. > You are just seeing these requests as stuck because it's the only > thing trying to write to the underlying pool. 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. 1c1 and check if this will fix your issue We have a new Ceph cluster deployment with 100 nodes. 0 query > query. 652111, current state incomplete, last acting [1,2] pg 13. 5 pg_epoch: 556 pg[1. 30. 44c€now€creating,€ok #€ceph€pg€force_create_pg€14. 2 is stuck inactive for 4501. 29 is stuck undersized for 115. The PGs are stuck in 'creating+incomplete' status after creating an erasure coded pool on a vstart cluster. 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. 在架构层次上，PG位于RADOS层的中间。 a. 6ae 0 0 0 0 0 0 0 0 incomplete 2014-11-11 17:34:27. 文章浏览阅读1. list@xxxxxxxxx>; Date: Fri, 21 Sep 2018 19:28:00 CEPH Filesystem Users — Re: PG stuck incomplete. Ceph is still creating the placement group. 441 The DeletingState for a pg also carries information about the status of the current deletion and allows the deletion to be cancelled. 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: . 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. 4 is stuck inactive for 1547. 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). 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 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. How can we continue debugging the PG to continue troubleshooting? Resolution. 399 is incomplete, acting [18,19,9] pg 3. 21 dump is probably the same issue. 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. 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. You may need to review settings in the Pool, PG and CRUSH Config Reference and make appropriate adjustments. noup - OSDs are not allowed to start. 7TB of data on the > > EC > > pool). 838131, current state active+undersized, last acting [1,10] pg 39. 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. 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. fa is stuck unclean for 11649. 96 pgs inactive pg 0. 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. 2、操作步骤： 第一步：通过命令ceph pg dump_stuck |grepincomplete >incomplete. A placement group has one or more states. g. 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. 1c1 and check if this will fix your issue Issue. Post by Mateusz SkaÅ a Hi, After some hardware errors one of pg in our backup server is 'incomplete'. 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. 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. 16 unknown [] -1 [] -1 # 2. I tried ceph osd lost, ceph pg mark_unfound_lost, ceph pg force_create_pg. 10f is active+undersized+degraded, acting [13,10] pg 1. Rook's docs don't really have anything on it (I've searched). 1 query > query. recovering. In fact, one object (only one) seem to be blocked on the cache tier (writeback). > > 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. 31M 96 TiB To: Wyllys Ingersoll <wyllys. 2. 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. osd. txt ceph pg 37. 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. 665758, current state incomplete, last acting [1,3] pg 13. id and the command gives "instructing pg x on osd y to repair" seems to be working as intended. Increasing pg_num splits the placement groups but data will not be migrated to the CEPH Filesystem Users — Re: PG stuck incomplete. 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. Sometimes a Placement Group (PG) might become inconsistent. c13 is incomplete, acting [42,26] PG_DEGRADED Degraded data redundancy: 4 pgs unclean pg 11. Updated almost 11 years ago. 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. 168. 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. list@xxxxxxxxx>; Date: Fri, 21 Sep 2018 16:29:41 The ceph health detail command reports that some placement groups are down: . OSDMAP_FLAGS¶. Horde. 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. Subject: Re: PG stuck incomplete; From: Olivier Bonvalet <ceph. 本ドキュメントでは、Ceph PG. 1c1 and is acting on OSD 21, 25 and 30. 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. 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. ceph osd pool create cephfs_metadata 128. The problem you have with pg 0. Subcommand map shows mapping of pg to osds. list@xxxxxxxxx> Date: Fri, 21 Sep 2018 02:14:08 +0200; User-agent: Evolution 3. Issued Learn to troubleshoot the most common errors that are related to the Ceph Placement groups (PGs). 77 (4. Wait until all PGs are in the active+clean state. Ceph: too many PGs per OSD. 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. 16f is incomplete, acting [20,8,21] pg 3. 4d incomplete [0, 3] 0 [0, 3] 0 1. 0 MiB 144 Increment the pg_num value: ceph osd pool set POOL pg_num VALUE. 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). what can cause the cluster instability? all nodes are appear grayed out. recovery_wait. 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. 1d is stuck undersized for 115. 37. Everything seems to be working. For stuck stale placement groups, it is normally a matter of getting the right ceph-osd daemons running again. 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). ssd. Repairing PG Inconsistencies¶. 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. 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. For Ceph to determine the current state of a PG, peering must take place. 109 is stuck inactive since forever, current state incomplete, last Subject: Re: [ceph-users] incomplete pg, recovery some data. Table 1 lists the mon_pg_stuck_threshold states along with their descriptions. 009928, current state incomplete, last acting [1,3] pg 13. Placement Groups are "stuck" in a peering state and don't seem to be recovering any more. I have a cluster with ~80TB of spinning disk. 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. creating. noin - OSDs that were previously marked out will not CEPH Filesystem Users — Re: PG stuck incomplete. 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. 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. 1 is stuck inactive for 35164. ag> References: <20180921093443. Would like to get some ideas on this as it looks like an OSD bug. 往上负责接收和处理来自客户端的请求。 b. 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. Troubleshooting PGs¶ Placement Groups Never Get Clean¶. Community. ea is stuck unclean since forever, current state incomplete, last acting [30,11] pg 3. In some situations when the PG didn't complete peering, the pg query command will hang. 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. Verify your network connection. HEALTH_WARN 1 pgs incomplete; 1 pgs stuck inactive; 1 pgs stuck unclean pg 3. " In your case, you do CEPH Filesystem Users — Re: PG stuck incomplete. 98 TOTAL 189 TiB 93 TiB 96 TiB 96 TiB 50. pg 3. nde. Specifying a dm-crypt requires Enhancement #6116: osd: incomplete pg from thrashing on next. 590587, current state active+undersized+remapped, last acting [10,1] pg 39. 6 TiB 5. 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. e4b pg 1. PG “laggy” state While the PG is active, pg_lease_t and pg_lease_ack_t messages are regularly exchanged. 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. The new OSD will have the specified uuid, and the command expects a JSON file containing the base64 cephx key for auth entity client. c2 is incomplete, acting [30,25,4] pg 6. 737825, current state active+undersized, last acting [6,3] pg 2. 728186, current state active+undersized, last acting [3,7] pg 2. ceph pg deep-scrub <PG_ID> Also please add ceph osd pool ls detail to see if any flags are set. 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. 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. 9ab is stuck unclean since forever, current state incomplete, last acting [14,2] pg 11. > 4) When this did not work, import the data exported from the unaffected > OSD into the two remaining osds. 9 sec on osd. None of these had any effect on the stuck incomplete PG. These PGs are referencing OSD. All osd log shows nothing useful. 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. They're stuck in "not enough instances of the PG". Then we planned to remove incomplete PG's using below procedure. 7 Peering¶. 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. pauserd, pausewr - paused reads or writes. Strangely the Ceph docs indicate that: . 38 is stuck inactive for 308757. 97 ssd 36 TiB 19 TiB 18 TiB 18 TiB 48. 12. 6 is stuck inactive for 1547. 1. forced_recovery. This has worked in the past however something is stuck now. ceph osd erasure-code-profile set default crush-failure-domain=osd crush-root=default k=4 m=2 --force. 44c€is€incomplete,€acting€[85,80] #€ceph€pg€force_create_pg€3. 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. 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. you can try to restart the missing osd so the pg retries to fix itself (ceph osd down osd. 1. The Monitors report when placement groups (PGs) get stuck in a state that is not optimal. 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. com> pg 13. 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. 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. 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. > > We tried to flush the cache tier, and restart OSD 68 & 69, without > > any > > success. For Ceph to determine the current state of a placement group, the primary OSD of the placement group (i. Usage: ceph pg scrub <pgid> Subcommand set_full_ratio sets ratio at which Peering¶. 2d is data: pools: 1 pools, 128 pgs objects: 0 objects, 0 B usage: 20 MiB used, 15 TiB / 15 TiB avail pgs: 100. The problem that im having is when I run ceph status, I get a health warm message that tells me "1 pg undersized". , 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. 889973, current state unknown, last acting [] pg 0. 5 is stuck inactive for 4502. 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. For example, OSD 1, 2, and 3 are the acting OSD set and it switches to OSD 1, 4, and 3, then osd. stuck incomplete. Concerning PG states are inactive, incomplete, and unknown. > 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. When checking a cluster’s status (e. Use this information to get to know the different placement group states. 8 which we removed 2 weeks ago due to corruption. 00 hour pg€3. Copy the PG file to another server with an available OSD and enough capacity to receive the new PG. 720 is stuck unclean since forever, current state incomplete, last acting [21,10] pg 11. We tried to repair each PG using "ceph pg repair <pgid>" still no luck. I have 10 incomplete PG's that I can't seem to destroy/recreate the PG's. a1a_IK1IxqIhEU-PlT5LIC_@webmail. Now try restarting the primary osd for the stuck pg and see if Please run commands similar to this one: ceph pg 37. As suggested by the docs I run ceph pg repair pg. High recovery priority of that PG is enforced by user. 37 Peering . 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. 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 . I added 3 unformatted disk to the vm and its connected. 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. ea is stuck inactive since forever, current state incomplete, last acting [30,11] pg 3. These flags include: full - the cluster is flagged as full and cannot service writes. , running ceph-w or ceph-s), Ceph will report on the status of the placement groups. Added by Samuel Just almost 11 years ago. After setup everything is right, but pg state keeps undersized+peered. 113 is stuck undersized for 317. Usage: ceph pg scrub <pgid> Subcommand set_full_ratio sets ratio at which. 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. HEALTH_ERR 7 pgs degraded; 12 pgs down; 12 pgs peering; 1 pgs recovering; 6 pgs stuck unclean; 114/3300 degraded (3. 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. Issued a ceph osd force-create-pg to recreate the PG. oxlcx lupyi dpyxqvs npfsa levk mhvfqmm nvkbu xacihza ttwlb dxvrc