[Gluster-users] Self-heals gone wild

[Ravishankar N]

On 08/10/19 11:24 pm, Jamie Lawrence wrote:
> Hello,
>
> I recently stood up a 3x2 (soon to be 3x3) distribute-replicate volume on 5.9, running on Centos 7.7.
>
> Volume Name: test_stage1_shared
> Type: Distributed-Replicate
> Volume ID: 99674d15-7dce-480e-b642-eaf7da72c1a1
> Status: Started
> Snapshot Count: 0
> Number of Bricks: 2 x 3 = 6
> Transport-type: tcp
> Bricks:
> Brick1: sc5-storage-1:/gluster-bricks/pool-1/test_stage1_shared
> Brick2: sc5-storage-2:/gluster-bricks/pool-1/test_stage1_shared
> Brick3: sc5-storage-3:/gluster-bricks/pool-1/test_stage1_shared
> Brick4: sc5-storage-4:/gluster-bricks/pool-1/test_stage1_shared
> Brick5: sc5-storage-5:/gluster-bricks/pool-1/test_stage1_shared
> Brick6: sc5-storage-6:/gluster-bricks/pool-1/test_stage1_shared
> Options Reconfigured:
> features.quota-deem-statfs: on
> nfs.ports-insecure: on
> features.inode-quota: on
> features.quota: on
> server.allow-insecure: on
> nfs.rpc-auth-allow: 10.181.51.190,10.181.43.10,10.181.70.190,10.181.70.191,10.181.70.192
> transport.address-family: inet
> nfs.disable: off
> performance.client-io-threads: off
>
>
> Moved data to it, and after a couple of days of letting it sit, came in this morning to a client /var filesystem full of:
>
> [2019-10-08 17:34:31.249186] I [afr-self-heal-common.c:2868:afr_log_self_heal_completion_status] 0-test_stage1_shared-replicate-1:  metadata self heal  is successfully completed,   metadata self heal from source test_stage1_shared-client-3 to test_stage1_shared-client-4,  test_stage1_shared-client-5,  metadata - Pending matrix:  [ [ 0 0 0 ] [ 0 0 0 ] [ 0 0 0 ] ], on /sftp/wi/wcs/inprogress
> [2019-10-08 17:34:31.260064] I [afr-self-heal-common.c:2868:afr_log_self_heal_completion_status] 0-test_stage1_shared-replicate-0:  metadata self heal  is successfully completed,   metadata self heal from source test_stage1_shared-client-0 to test_stage1_shared-client-1,  test_stage1_shared-client-2,  metadata - Pending matrix:  [ [ 0 0 0 ] [ 0 0 0 ] [ 0 0 0 ] ], on /sftp/wi/wcs/sdcom

It looks like your clients are running glusterfs-3.5 or older? 
afr_log_self_heal_completion_status() is a function that existed in the 
really old replication code before it was refactored. Please use a newer 
client, preferably the same version as that of your servers.

Hope that helps,

Ravi

>
> On the server peers, I'm seeing things like:
>
> [2019-10-06 12:30:04.636311] W [glusterd-locks.c:586:glusterd_mgmt_v3_lock] (-->/usr/lib64/glusterfs/5.9/xlator/mgmt/glusterd.so(+0xe5df0) [0x7f1a23e43df0] -->/usr/lib64/glusterfs/5.9/xlator/mgmt/glusterd.so(+0xe5d22) [0x7f1a23e43d22] -->/usr/lib64/glusterfs/5.9/xlator/mgmt/glusterd.so(+0xec2cd) [0x7f1a23e4a2cd] ) 0-management: Lock for test_stage1_shared held by e9fc174c-4156-475e-9d07-36b6c85a364f
>
> But nothing else looks that unusual in those logs. I tried running a `gluster v heal` manually, which generated a ton of log noise but apparently little else.
>
> Has anyone seen this before, or have a hint? I'm new to version 5.9, and have not run in to this problem before.
>
> Thanks,
>
> -j
>
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