[linux-lvm] Paralell IO performance with LVM and XFS

[Patrick Caulfield]

On Thu, Jan 17, 2002 at 11:06:31AM -0600, Austin Gonyou wrote:
> Hmm..it seems like writing with LVM striping isn't very good. 
> 10MB/s or so. Is this IDE only, or SCSI too?

It's the random stuff that's suffering. Sequential Input seems to
scale as far as the fibre-channel interface would allow at about 5M/s, and the
writes start to flatten out after two stripes.

The interface was an emulex Fibre-channel but the disks are quote slow ones.
Effectively it's SCSI.

patrick