On 05/04/2011 08:24 AM, Martin Schenker wrote: > Hi all! > > Is there anybody who can give some pointers regarding which file to choose > in a "split brain" condition? > > What tests do I need to run? MD5sums. Did the logs indicate a split brain? Or are the signatures simply different? > > What does the hex AFR code actually show? Is there a way to pinpoint the > "better/worse" file for deletion? > > On pserver12: > > # file: mnt/gluster/brick0/storage/pserver3-19 > trusted.afr.storage0-client-5=0x3f0000010000000000000000 > > On pserver13: > > # file: mnt/gluster/brick0/storage/pserver3-19 > trusted.afr.storage0-client-4=0xd70000010000000000000000 > > These are test files, but I'd like to know what to do in a LIFE situation > which will be just around the corner. > > The Timestamps show the same values, so I'm a bit puzzled HOW to choose a > file. File sizes and time stamps the same? Hmmm ... this sounds like an underlying caching issue (probably not flushed completely/properly on one or more of the units before reboot) with the base machine. Check the battery backup on the RAID and make sure it is functional. Also, run an file system check on the underlying backend storage. -- Joseph Landman, Ph.D Founder and CEO Scalable Informatics, Inc. email: landman at scalableinformatics.com web : http://scalableinformatics.com http://scalableinformatics.com/sicluster phone: +1 734 786 8423 x121 fax : +1 866 888 3112 cell : +1 734 612 4615
