[rescue] Filesystem choice for fileserver?

[Robert Darlington]

I have several RM4's for you if you need them.  No RM5's though.

On Thu, Apr 17, 2008 at 9:21 AM, Mike Shields <shieldsm at gmail.com> wrote:
> On Thu, Apr 17, 2008 at 9:59 AM, Peter Corlett <abuse at cabal.org.uk> wrote:
>
>  > On Thu, Apr 17, 2008 at 10:46:01AM +0900, kevin r. marhsall wrote:
>  > [...]
>  > > I have recently done some work on a RHEL box using ext3 and have had
>  > some
>  > > significant issues with large files taking forever to delete. This has
>  > > come up with one single 80Gb file and in situations when deleting large
>  > > directory trees. Unfortunately, this is all anecdotal as i have not done
>  > > much to try and determine if the source of the slowdown.
>  >
>  > Yes, unlink *is* expensive on ext3. That's because the file's inode and
>  > indirect blocks all have to be walked to determine which blocks to mark in
>  > the free space map. I suspect that unlink also locks the filesystem until
>  > the operation is complete.
>  >
>  > Still, it's not as if you're regularly deleting 80GB files...
>
>
>  I have a machine serving as a PVR and regularly delete files in the 2 to 4
>  gb range. I don't have any detailed metrics but it would take 5 - 10 seconds
>  to delete each file when I used ext3 as my filesystem. I switched over to
>  xfs after finding that this was a well-known sore spot in ext3, and have
>  never looked back -- although I still use ext3 for my root filesystem.
>
>  I'll grant though that my choice of xfs also had something to do with my
>  mild SGI fanaticism...
>
>  Speaking of rescue and SGI's, I'm on the hunt for some RM5 modules to beef
>  up my the RE2 in my deskside Onyx...
>
>
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