On Sat, Dec 20, 2008 at 6:22 AM, Chris Robertson <crobert...@gci.net> wrote:
> dan wrote: > > If the disk usage is the same as before the pool, the issue isnt > > hardlinks not being maintained. I am not convinced that XFS is an > > ideal filesystem. I'm sure it has it's merits, but I have lost data > > on 3 filesystems ever, FAT*, XFS and NTFS. I have never lost data on > > reiserfs3 or ext2,3. > > > > Additionally, I am not convinced that it performs any better than ext3 > > in real world workloads. I have see many comparisons showing XFS > > marginally faster in some operations, and much faster for file > > deletions and a few other things, but these are all simulated > > workloads and I have never seen a comparison running all of these > > various operations in mixed operation. how about mixing 100MB random > > reads with 10MB sequential writes on small files and deleting 400 > > hardlinks? > > > > I say switch back to ext3. > > Creating or resizing (you do a proper fsck before and after resizing, > don't you?) an ext3 filesystem greater than about 50GB is painful. The > larger the filesystem, the more painful it gets. Having to guess the > number of inodes you are going to need at filesystem creation is a nice > bonus. > > EXT4, btrfs, or Tux3 can't get here (and stable!) fast enough. > Has anyone tried JFS ? I have been using JFS in production for over a year now with several volumes of 2T+. I have found the performance satisfactory atleast for my needs. Besides once in a while when someone pulls the plug of a switch (the volumes serve iscsi volumes), we have to run fsck, which again is very fast and recovers without any problems. Just a thought. Thanks and Regards, Anand
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