Re: Problem adding replicated bricks on FreeBSD

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On Thu, Apr 26, 2018 at 9:06 PM Mark Staudinger <mark.staudinger@xxxxxxx>
wrote:

> Hi Folks,

> I'm trying to debug an issue that I've found while attempting to qualify
> GlusterFS for potential distributed storage projects on the FreeBSD-11.1
> server platform - using the existing package of GlusterFS v3.11.1_4

> The main issue I've encountered is that I cannot add new bricks while
> setting/increasing the replica count.

> If I create a replicated volume "poc" on two hosts, say s1:/gluster/1/poc
> and s2:/gluster/1/poc, the volume is created properly and shows replicated
> status, files are written to both volumes.

> If I create a single volume: s1:/gluster/1/poc as a single / distributed
> brick, and then try to run

> gluster volume add-brick poc replica 2 s2:/gluster/1/poc

> it will always fail (sometimes after a pause, sometimes not.)  The only
> error I'm seeing on the server hosting the new brick, aside from the
> generic "Unable to add bricks" message, is like so:

> I [MSGID: 106578]
> [glusterd-brick-ops.c:1352:glusterd_op_perform_add_bricks] 0-management:
> replica-count is set 2
> I [MSGID: 106578]
> [glusterd-brick-ops.c:1362:glusterd_op_perform_add_bricks] 0-management:
> type is set 2, need to change it
> E [MSGID: 106054]
> [glusterd-utils.c:12974:glusterd_handle_replicate_brick_ops] 0-management:
> Failed to set extended attribute trusted.add-brick : Operation not
> supported [Operation not supported]

The log here seems to indicate the filesystem on the new brick being added
doesn't seem to support setting xattrs.
Maybe check the new brick again?

> E [MSGID: 106074] [glusterd-brick-ops.c:2565:glusterd_op_add_brick]
> 0-glusterd: Unable to add bricks
> E [MSGID: 106123] [glusterd-mgmt.c:311:gd_mgmt_v3_commit_fn] 0-management:
> Add-brick commit failed.

> I was initially using ZFS and noted that ZFS on FreeBSD does not support
> xattr, so I reverted to using UFS as the storage type for the brick, and
> still encounter this behavior.

> I also recompiled the port (again, GlusterFS v3.11.1) with the patch from
> https://bugzilla.redhat.com/show_bug.cgi?id=1484246 as this deals
> specifically with xattr handling in FreeBSD.

> To recap - I'm able to create any type of volume (2 or 3-way replicated or
> distributed), but I'm unable to add replicated bricks to a volume.

> I was, however, able to add a second distributed brick ( gluster volume
> add-brick poc s2:/gluster/1/poc ) - so the issue seems specific to adding
> and/or changing the replica count while adding a new brick.

> Please let me know if there are any other issues in addition to bug
> #1452961 I should be aware of, or additional log or debug info I can
> provide.

> Best Regards,
> Mark
> _______________________________________________
> Gluster-users mailing list
> Gluster-users@xxxxxxxxxxx
> http://lists.gluster.org/mailman/listinfo/gluster-users
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