I/O hotspot on hdisk4? Maybe spread the I/O out?

What maintenance level is the OS at?

[RC]


On Tue, Jul 10, 2001 at 04:46:30PM -0700, Chuck Lam wrote:
> Server:  M80 running AIX 4.3.3, 4GB RAM, 768MB ps
>          DiskStoragePool, Rlog, & Database on all on a
>           SAN via fibre channel connection.
> TSM version:    4.1
>
> This is a newly configured system.  We are conducting
> tests on it. When we tried to do a few backups by
> themselves, they seemed to get done pretty fast.
> However, when we had 4 migration processes and a
> couple of backups going at the same time, everything
> slowed down to a halt.  According to my client, his
> backup transfer speed was about 100MB per minute. Can
> anyone give me some suggestions to improve the
> performance?  I have attached the 'topas' reading of
> this server.
>
> TIA
>
>