Re: remote operation failed [Permission denied] every 10 minutes after upgrading from 5.10 to 7.0

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Hi,

Any updates here please?

Sincerely,
Artem

--
Founder, Android Police, APK Mirror, Illogical Robot LLC


On Mon, Jan 6, 2020 at 4:18 PM Artem Russakovskii <archon810@xxxxxxxxx> wrote:
Thanks Amar,

Checking the brick logs, I'm seeing these and numerous other files with Permission denied. The question is why is the permission being denied? Gluster runs as root and the files are owned by wwwrun:www, which it should have full access to.

Is there any more documentation on what enabling or disabling this feature accomplishes, why it was added to 7.1 by default (and 7.0 as far as I can tell), and what side effects it may have? Basically, I'd like to understand the problem better instead of simply turning the flag off and fix the underlying issue (or help fix a bug if it's a bug in gluster).

==> bricks/mnt-pylon_block6-dev_SNIP_data.log <==
[2020-01-06 21:39:00.176476] I [MSGID: 115060] [server-rpc-fops_v2.c:897:server4_setxattr_cbk] 0-dev_SNIP_data-server: client: CTX_ID:3e0436a5-cdf8-4d3f-a4e9-fc681fe902d3-GRAPH_ID:2-PID:32069-HOST:pylon-PC_NAME:dev_SNIP_data-client-2-RECON_NO:-0, error-xlator: dev_SNIP_data-access-control [Permission denied]
[2020-01-06 21:39:00.325329] I [MSGID: 139001] [posix-acl.c:262:posix_acl_log_permit_denied] 0-dev_SNIP_data-access-control: client: CTX_ID:3e0436a5-cdf8-4d3f-a4e9-fc681fe902d3-GRAPH_ID:2-PID:32069-HOST:pylon-PC_NAME:dev_SNIP_data-client-2-RECON_NO:-0, gfid: e9bd83fd-b16e-44ef-8fde-2ae320ee54d0, req(uid:491,gid:488,perm:2,ngrps:1), ctx(uid:30,gid:8,in-groups:0,perm:664,updated-fop:LOOKUP, acl:-) [Permission denied]
[2020-01-06 21:39:00.325435] I [MSGID: 115060] [server-rpc-fops.c:937:_gf_server_log_setxattr_failure] 0-dev_SNIP_data-server: 709342: SETXATTR /uploads/2019/06/Anker-PowerPort-Atom-10-768x512.jpg (e9bd83fd-b16e-44ef-8fde-2ae320ee54d0) ==> set-ctime-mdata, client: CTX_ID:3e0436a5-cdf8-4d3f-a4e9-fc681fe902d3-GRAPH_ID:2-PID:32069-HOST:pylon-PC_NAME:dev_SNIP_data-client-2-RECON_NO:-0, error-xlator: dev_SNIP_data-access-control
[2020-01-06 21:39:00.325460] I [MSGID: 115060] [server-rpc-fops_v2.c:897:server4_setxattr_cbk] 0-dev_SNIP_data-server: client: CTX_ID:3e0436a5-cdf8-4d3f-a4e9-fc681fe902d3-GRAPH_ID:2-PID:32069-HOST:pylon-PC_NAME:dev_SNIP_data-client-2-RECON_NO:-0, error-xlator: dev_SNIP_data-access-control [Permission denied]
[2020-01-06 21:39:01.195012] I [MSGID: 139001] [posix-acl.c:262:posix_acl_log_permit_denied] 0-dev_SNIP_data-access-control: client: CTX_ID:3e0436a5-cdf8-4d3f-a4e9-fc681fe902d3-GRAPH_ID:2-PID:32069-HOST:pylon-PC_NAME:dev_SNIP_data-client-2-RECON_NO:-0, gfid: ff96827e-777b-45fb-a40d-e5089cd024fe, req(uid:491,gid:488,perm:2,ngrps:1), ctx(uid:30,gid:8,in-groups:0,perm:664,updated-fop:LOOKUP, acl:-) [Permission denied]
[2020-01-06 21:39:01.195091] I [MSGID: 115060] [server-rpc-fops.c:937:_gf_server_log_setxattr_failure] 0-dev_SNIP_data-server: 709349: SETXATTR /uploads/2019/06/Anker-PowerPort-Atom-768x512.jpg (ff96827e-777b-45fb-a40d-e5089cd024fe) ==> set-ctime-mdata, client: CTX_ID:3e0436a5-cdf8-4d3f-a4e9-fc681fe902d3-GRAPH_ID:2-PID:32069-HOST:pylon-PC_NAME:dev_SNIP_data-client-2-RECON_NO:-0, error-xlator: dev_SNIP_data-access-control
[2020-01-06 21:39:01.195291] I [MSGID: 115060] [server-rpc-fops_v2.c:897:server4_setxattr_cbk] 0-dev_SNIP_data-server: client: CTX_ID:3e0436a5-cdf8-4d3f-a4e9-fc681fe902d3-GRAPH_ID:2-PID:32069-HOST:pylon-PC_NAME:dev_SNIP_data-client-2-RECON_NO:-0, error-xlator: dev_SNIP_data-access-control [Permission denied]
[2020-01-06 21:39:04.184502] I [MSGID: 139001] [posix-acl.c:262:posix_acl_log_permit_denied] 0-dev_SNIP_data-access-control: client: CTX_ID:3e0436a5-cdf8-4d3f-a4e9-fc681fe902d3-GRAPH_ID:2-PID:32069-HOST:pylon-PC_NAME:dev_SNIP_data-client-2-RECON_NO:-0, gfid: 546305c8-7611-4752-9168-215e9eb03938, req(uid:491,gid:488,perm:2,ngrps:1), ctx(uid:30,gid:8,in-groups:0,perm:664,updated-fop:LOOKUP, acl:-) [Permission denied]
[2020-01-06 21:39:04.184554] I [MSGID: 115060] [server-rpc-fops.c:937:_gf_server_log_setxattr_failure] 0-dev_SNIP_data-server: 709360: SETXATTR /uploads/2019/06/Anker-PowerPort-Atom-10-1-768x512.jpg (546305c8-7611-4752-9168-215e9eb03938) ==> set-ctime-mdata, client: CTX_ID:3e0436a5-cdf8-4d3f-a4e9-fc681fe902d3-GRAPH_ID:2-PID:32069-HOST:pylon-PC_NAME:dev_SNIP_data-client-2-RECON_NO:-0, error-xlator: dev_SNIP_data-access-control
[2020-01-06 21:39:04.184576] I [MSGID: 115060] [server-rpc-fops_v2.c:897:server4_setxattr_cbk] 0-dev_SNIP_data-server: client: CTX_ID:3e0436a5-cdf8-4d3f-a4e9-fc681fe902d3-GRAPH_ID:2-PID:32069-HOST:pylon-PC_NAME:dev_SNIP_data-client-2-RECON_NO:-0, error-xlator: dev_SNIP_data-access-control [Permission denied]

Btw, cluster.op-version is 70000, which is the latest. I always rev it up after upgrading the cluster.

Sincerely,
Artem

--
Founder, Android Police, APK Mirror, Illogical Robot LLC


On Sat, Dec 28, 2019 at 1:19 AM Amar Tumballi <amarts@xxxxxxxxx> wrote:
Answers inline.

On Wed, Dec 25, 2019 at 2:06 AM Artem Russakovskii <archon810@xxxxxxxxx> wrote:
Hi everyone,

I'm preparing the upgrade for our 5.10 gluster cluster running 1x4 replicate volumes to 7.X and decided to upgrade our test cluster first.

As soon as I upgraded to 7.0 (and now 7.1), I started seeing the following messages every 10 minutes in the log for one of the volumes:

[2019-12-19 21:27:55.041949] W [MSGID: 114031] [client-rpc-fops_v2.c:850:client4_0_setxattr_cbk] 0-dev_SNIP_data-client-0: remote operation failed [Permission denied]
[2019-12-19 21:27:55.042002] W [MSGID: 114031] [client-rpc-fops_v2.c:850:client4_0_setxattr_cbk] 0-dev_SNIP_data-client-2: remote operation failed [Permission denied]
[2019-12-19 21:27:55.042013] W [MSGID: 114031] [client-rpc-fops_v2.c:850:client4_0_setxattr_cbk] 0-dev_SNIP_data-client-1: remote operation failed [Permission denied]
[2019-12-19 21:27:55.042634] E [MSGID: 148002] [utime.c:146:gf_utime_set_mdata_setxattr_cbk] 0-dev_SNIP_data-utime: dict set of key for set-ctime-mdata failed [Permission denied]
The message "W [MSGID: 114031] [client-rpc-fops_v2.c:850:client4_0_setxattr_cbk] 0-dev_SNIP_data-client-0: remote operation failed [Permission denied]" repeated 2 times between [2019-12-19 21:27:55.041949] and [2019-12-19 21:27:55.047300]
The message "W [MSGID: 114031] [client-rpc-fops_v2.c:850:client4_0_setxattr_cbk] 0-dev_SNIP_data-client-2: remote operation failed [Permission denied]" repeated 2 times between [2019-12-19 21:27:55.042002] and [2019-12-19 21:27:55.047312]
The message "W [MSGID: 114031] [client-rpc-fops_v2.c:850:client4_0_setxattr_cbk] 0-dev_SNIP_data-client-1: remote operation failed [Permission denied]" repeated 2 times between [2019-12-19 21:27:55.042013] and [2019-12-19 21:27:55.047524]
The message "E [MSGID: 148002] [utime.c:146:gf_utime_set_mdata_setxattr_cbk] 0-dev_SNIP_data-utime: dict set of key for set-ctime-mdata failed [Permission denied]" repeated 2 times between [2019-12-19 21:27:55.042634] and [2019-12-19 21:27:55.047887]
 
[2019-12-19 21:37:55.541329] W [MSGID: 114031] [client-rpc-fops_v2.c:850:client4_0_setxattr_cbk] 0-dev_SNIP_data-client-2: remote operation failed [Permission denied]
[2019-12-19 21:37:55.541644] W [MSGID: 114031] [client-rpc-fops_v2.c:850:client4_0_setxattr_cbk] 0-dev_SNIP_data-client-1: remote operation failed [Permission denied]
[2019-12-19 21:37:55.541681] W [MSGID: 114031] [client-rpc-fops_v2.c:850:client4_0_setxattr_cbk] 0-dev_SNIP_data-client-0: remote operation failed [Permission denied]
[2019-12-19 21:37:55.542067] E [MSGID: 148002] [utime.c:146:gf_utime_set_mdata_setxattr_cbk] 0-dev_SNIP_data-utime: dict set of key for set-ctime-mdata failed [Permission denied]
The message "W [MSGID: 114031] [client-rpc-fops_v2.c:850:client4_0_setxattr_cbk] 0-dev_SNIP_data-client-2: remote operation failed [Permission denied]" repeated 3 times between [2019-12-19 21:37:55.541329] and [2019-12-19 21:37:55.546695]
The message "W [MSGID: 114031] [client-rpc-fops_v2.c:850:client4_0_setxattr_cbk] 0-dev_SNIP_data-client-1: remote operation failed [Permission denied]" repeated 3 times between [2019-12-19 21:37:55.541644] and [2019-12-19 21:37:55.546711]
The message "W [MSGID: 114031] [client-rpc-fops_v2.c:850:client4_0_setxattr_cbk] 0-dev_SNIP_data-client-0: remote operation failed [Permission denied]" repeated 3 times between [2019-12-19 21:37:55.541681] and [2019-12-19 21:37:55.546761]
The message "E [MSGID: 148002] [utime.c:146:gf_utime_set_mdata_setxattr_cbk] 0-dev_SNIP_data-utime: dict set of key for set-ctime-mdata failed [Permission denied]" repeated 3 times between [2019-12-19 21:37:55.542067] and [2019-12-19 21:37:55.547042]

etc.

The questions are:
  1. Is it a cause for concern? They weren't there before the upgrade.
Looks like all these logs are related to ctime feature which is by default enabled in 7.1 (and not in 5.x series)
 
  1. How can I determine what's causing the errors?

Also check the server logs.
 
  1. How can I fix them and prevent them from spamming the logs?

Check op-version of the cluster after upgrade. Disable 'ctime' option (volume set <vol> ctime off).

 
Thank you and happy holidays!

+1

Regards,
Amar

 

Sincerely,
Artem

--
Founder, Android Police, APK Mirror, Illogical Robot LLC
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