On Thu, Dec 14, 2017 at 8:52 PM, Florent B <florent@xxxxxxxxxxx> wrote: > On 14/12/2017 03:38, Yan, Zheng wrote: >> On Thu, Dec 14, 2017 at 12:49 AM, Florent B <florent@xxxxxxxxxxx> wrote: >>> >>> Systems are on Debian Jessie : kernel 3.16.0-4-amd64 & libfuse 2.9.3-15. >>> >>> I don't know pattern of corruption, but according to error message in >>> Dovecot, it seems to expect data to read but reach EOF. >>> >>> All seems fine using fuse_disable_pagecache (no more corruption, and >>> performance increased : no more MDS slow requests on filelock requests). >> >> I checked ceph-fuse changes since kraken, didn't find any clue. I >> would be helpful if you can try recent version kernel. >> >> Regards >> Yan, Zheng > > Problem occurred this morning even with fuse_disable_pagecache=true. > > It seems to be a lock issue between imap & lmtp processes. > > Dovecot uses fcntl as locking method. Is there any change about it in > Luminous ? I switched to flock to see if problem is still there... > I don't remenber there is any change. _______________________________________________ ceph-users mailing list ceph-users@xxxxxxxxxxxxxx http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
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