Hi,

we currently have a problem on SL46 with kernel 2.6.9-78.0.13.ELsmp
to run a Legato backup on a 4.8 TB AFS partition on Xfs, composed of 4 
physical
drives by means of LVM.
Contemporary there are about 1.9 TB of data to be read, but the backup 
job always breaks after 1.6 TB.

# kernel-2.6.9-78.0.13.ELsmp.x86_64
# kernel-module-xfs-2.6.9-78.0.13.ELsmp-0.4-1.x86_64

With the older kernel and corresponding modules it worked fine.

# kernel-2.6.9-78.0.8.ELsmp.x86_64
# kernel-module-xfs-2.6.9-78.0.8.ELsmp-0.4-1.x86_64

However, as you are planning to use SL5 this kind of problem will not 
affect you.
Generally we observe much better read/write performance on xfs than on ext3.

Cheers
Marc



Bob Barton wrote:
> Hi All
> I am setting up a 2 TB file system to use for AFS volumes on an AFS 
> file server and I am wondering which file system I should use - XFS or 
> ext3. I plan to use Scientific Linux 5.1 or 5.2 x86_64 as the 
> operating system on the file server machine.
> Suggestions, comments and recommendations are very welcome.
>