On Sat, Dec 04, 2010 at 09:49:25AM +0530, Ajeet Yadav wrote: > Our test case is automated: > 1. Create large number of file of 6KB sizes ( 6KB is taken, we wanted to > increase journal load, and file size not in multiple of file system block > size) > 2. Set target to reboot at random seconds seconds. > 3. Next boot do "ls" of all files in XFS partition. > 4. Remove all files in XFS. > 5. Go back to step 1 > > The purpose of this test is to test journal and stability of XFS filestem. > > Do you think, we should consider this test case ? Are you running with barriers enabled? What are your mkfs and mount options? Also, does the problem exist on a current kernel? We've fixed lots of writeback related problems since 2.6.30, so I'd suggest that you need to reproduce this on a current kernel before anyone will spend large amounts of time trying to track it down. Especially as xfstests 136-140 do similar testing (just without the reboots) and don't show any problems. > Other is when we should run xfs_repair ? because if mount fails and journal > contain dirty logs then xfs_repair does not run, we are forced to use (-L) > option but its description say that (-L) can corrupt the file system. Yes, it can. > Other case even if xfs mount successfully, even in that case accessing some > files give IO input/ output error. Which means something got corrupted. Look in dmesg for reasons why. > 1. I recommend the following usage for xfs_repair so that we do not come > accross these problem > Mount Success -> Umount -> run xfs_repair -> mount > Mount fails -> try xfs_repair -> xfs_repair fails -> finally xfs_repair > -L -> mount > > Adding above mount + xfs_repair procedure to script makes file system > stable. But other member of my team do not agree as it increases mount time. I agree with your team members. All you are proposing to do is to hide failures that need further investigation... Cheers, Dave. -- Dave Chinner david@xxxxxxxxxxxxx _______________________________________________ xfs mailing list xfs@xxxxxxxxxxx http://oss.sgi.com/mailman/listinfo/xfs
