There are a lot of variables here. Are you using virtio-blk
devices and Windows guest drivers?
No, those measurements were taken when I was using IDE emulated drives. To
further clarify the NFS server is also software, not hardware, RAID-5.
But your subtle hint and IBMs Best practices
On Wed, Mar 2, 2011 at 10:30 AM, Kevin Clark kevin.cl...@csoft.co.uk wrote:
The results are much better, with 64MB writes on the system drive coming in
at 39MB/s and reads 310MB/s. The second drive gives me 94MB/s for writes and
777MB/s for reads for a 64MB file. Again, that's wildy
I'm getting wildly different disk IO performance from two storage devices in a
Windows Server 2003 guest. I'm using diskgraf to test and get a max of 8MB/s
for both reads and writes of a 64MB file on the system drive, but 101MB/s
writes and 250MB/s reads on the second drive. The cache is
On Tue, Mar 1, 2011 at 10:23 AM, Kevin Clark kevin.cl...@csoft.co.uk wrote:
Any thoughts/ideas?
There are a lot of variables here. Are you using virtio-blk devices
and Windows guest drivers? Are you using hardware RAID5 on the NFS
server? Could it be a network issue (contention during
