On Sun, Dec 29, 2019 at 9:50 PM Michael Böhm <dudleyperkins@xxxxxxxxx> 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
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Anyone here that has similiar warning or could explain what i can do about it?
________Thanks Mika
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