This is very good information. Thanks! Ming
On Tue, Jun 26, 2012 at 1:46 PM, Sage Weil <[email protected]> wrote: > On Tue, 26 Jun 2012, ming zhang wrote: >> Hi All >> >> I am trying to read the code to understand this. >> >> A scenario like this. >> >> client opens the file and finishes the write with OSD. But for some >> reason Client could not contact MDS and fails to update MDS. What will >> client do now in order to maintain the rightness of metadata in MDS? >> >> Wonder which code this error handling is implemented? > > When the client session times out, the MDS will probe the file objects to > recover the file size and mtime. The NEEDSRECOVER flag gets set by > Locker::revoke_stale_caps() on those files, and they are queued via > MDCache::queue_file_recover(). You should be able to pick up the trail > from there. > > sage -- To unsubscribe from this list: send the line "unsubscribe ceph-devel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
