[Gluster-users] Replication delay

[Vijay Bellur]

On 01/24/2014 05:09 PM, Fabio Rosati wrote:
> You're right! In the brick log from the first peer (networker AKA nw1glus.gem.local) I found lots of these errors:
>
> [2014-01-24 11:32:28.482639] E [posix.c:2135:posix_writev] 0-gv_pri-posix: write failed: offset 4812114432, Invalid argument
> [2014-01-24 11:32:28.485334] I [server-rpc-fops.c:1439:server_writev_cbk] 0-gv_pri-server: 31817: WRITEV 0 (f1e928ad-d4dd-49f3-abae-e99cb1f310e1) ==> (Invalid argument)
> [2014-01-24 11:32:28.483791] E [posix.c:2135:posix_writev] 0-gv_pri-posix: write failed: offset 5562239488, Invalid argument
> [2014-01-24 11:32:28.485416] I [server-rpc-fops.c:1439:server_writev_cbk] 0-gv_pri-server: 31820: WRITEV 0 (f1e928ad-d4dd-49f3-abae-e99cb1f310e1) ==> (Invalid argument)
> [2014-01-24 11:32:28.484275] E [posix.c:2135:posix_writev] 0-gv_pri-posix: write failed: offset 5757467136, Invalid argument
> [2014-01-24 11:32:28.482841] E [posix.c:2135:posix_writev] 0-gv_pri-posix: write failed: offset 3742501376, Invalid argument
> [2014-01-24 11:32:28.485494] I [server-rpc-fops.c:1439:server_writev_cbk] 0-gv_pri-server: 31822: WRITEV 0 (f1e928ad-d4dd-49f3-abae-e99cb1f310e1) ==> (Invalid argument)
> [2014-01-24 11:32:28.485534] I [server-rpc-fops.c:1439:server_writev_cbk] 0-gv_pri-server: 31818: WRITEV 0 (f1e928ad-d4dd-49f3-abae-e99cb1f310e1) ==> (Invalid argument)
> [2014-01-24 11:32:28.530943] E [posix.c:2135:posix_writev] 0-gv_pri-posix: write failed: offset 3156122112, Invalid argument
> [2014-01-24 11:32:28.530997] I [server-rpc-fops.c:1439:server_writev_cbk] 0-gv_pri-server: 31832: WRITEV 0 (f1e928ad-d4dd-49f3-abae-e99cb1f310e1) ==> (Invalid argument)
>
> Then I noticed the SELinux context on the two bricks are different, I don't know if this can be the cause of the errors:
>


Might be related to the sector size in xfs and the disks that are being 
used. [1] and [2] have some details.

-Vijay

[1] http://www.gluster.org/pipermail/gluster-users/2013-November/037842.html

[2] https://bugzilla.redhat.com/show_bug.cgi?id=997839