Re: File system of choice?

Andrew Daviel wrote:
> On Thu, 13 May 2010, Yiorgos Adamopoulos wrote:
>> We manage ~100K mailboxes which will be migrated on new servers. The
>> mailbox format is mbx (expetced to change to mix after the migration)
>> and the Operating System will be Linux amd64. So, on what filesystem
>> would one place them?  Currently we are thinking of putting them on
>> XFS.
> Some time back I did some benchmarks with "mailstone", and decided in 
> the end to go with XFS on Linux. JFS was also fairly good. Now there 
> is ext4; haven't tried that for mail, it's still somewhat 
> experimental. I used it on Fedora 9 for a while but things crashed 
> (possibly unrelated) and the absence of ext4 support in the rescue 
> disk killed me. It did seem significantly faster than ext3.
>
> Since then, we tried using XFS on iSCSI which was a disaster, at least 
> under RHEL 4.
RHEL6, currently in beta and due towards the end of the year, has 
builtin support for both XFS and EXT4. I am looking forward to testing 
these as replacements for my conservative, but fully functional, EXT3 
over iSCSI on RHEL4 setup.
fyi,
David