[Gluster-devel] [Gluster-users] periodical warnings in brick-log after upgrading to gluster 7.1

Amar Tumballi amarts at gmail.com
Tue Dec 31 05:52:41 UTC 2019


On Sun, Dec 29, 2019 at 9:50 PM Michael Böhm <dudleyperkins at gmail.com>
wrote:

> Hello,
>
> i've finally upgraded our gluster-server to 7.1 (3.8 debian stretch ->
> gluster-repo 3.12 -> gluster-repo 7.1) and it actually went real smooth.
> There is just that warning in all brick-logs and every server every 15min i
> can't really explain myself.
>
> [2019-12-29 05:51:17.807293] W [socket.c:774:__socket_rwv]
> 0-tcp.store4-server: readv on 192.168.31.60:49077 failed (no data
> available)
> [2019-12-29 06:00:47.886369] W [socket.c:774:__socket_rwv]
> 0-tcp.store4-server: readv on 192.168.31.61:49140 failed (no data
> available)
> [2019-12-29 06:06:18.204778] W [socket.c:774:__socket_rwv]
> 0-tcp.store4-server: readv on 192.168.31.60:49077 failed (no data
> available)
> [2019-12-29 06:15:47.317705] W [socket.c:774:__socket_rwv]
> 0-tcp.store4-server: readv on 192.168.31.61:49148 failed (no data
> available)
>
> .60 and .61 are two servers with bricks for gluster volume "store4". They
> are not only the gluster-server, they also are clients that mount the
> gluster volumes. (replicated gluster volume, that hosts kvm images that run
> locally on the server)
>
> Everything really looks good no other errors or warning - just the lines
> mentioned above. Is this something i should be worried about or can resolve
> somehow?
>
> Of course i looked through the web, unfortunately i only really could find
> one guy that had the same problem but no following messages [1]. And the
> best explanation i could find was in a bug report [2], so it seems it's not
> unusual i just don't like ignoring warnings.
>
>
Your concern is valid, and if the log level is WARNING, it shouldn't be
ignored :-)

I noticed that this is happening when a client disconnects with server
(specially, after umount). Was there any periodic umount which is
happening? Or a monitoring system which is running, which would do a
temporary mount and and check for size etc ?

Regards,
Amar
--
https://kadalu.io


Anyone here that has similiar warning or could explain what i can do about
> it?
>
>


> Thanks Mika
>
> [1] https://lists.gluster.org/pipermail/gluster-users/2015-May/021971.html
> [2] https://bugzilla.redhat.com/show_bug.cgi?id=1385525#c3
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