[Lustre-discuss] Low performance of 64bit OSS

[Brian J. Murrell]

On Thu, 2008-12-04 at 18:36 +0800, Lu Wang wrote:
> Dear list, 
> 
>     After upgrade our OSSs to  lustre-1.6.6-2.6.9_67.0.22.EL_lustre.1.6.6smp.x86_64, the phenomenon of frequent crash disappears.

Good.  What version did you upgrade from?

> However, the two OSS provide low performance: 100MB/s read, and 200MB/s write.

What was your read/write performance before the upgrade?  Is this 100
and 200 MBs/ measurements measured at the clients or is it a measurement
of the disk speed at the OSS?

> Is it a problem caused by 32bit client and 64bit OSS server?

No.  Mixed 32/64 bit clusters should not cause a slow-down.

b.

-------------- next part --------------
A non-text attachment was scrubbed...
Name: not available
Type: application/pgp-signature
Size: 197 bytes
Desc: This is a digitally signed message part
URL: <http://lists.lustre.org/pipermail/lustre-discuss-lustre.org/attachments/20081204/f95805fd/attachment.pgp>