hubert.wirtensohn@gmx.at wrote in message news:<vd3oqvchrr3pngof4m8v5b3ka95ing4ns2@4ax.com>. ..
> Hi
>
> I have a 6H1 with 4 750MHz CPUs, 4GB Memory an an Advanced SSA Adapter
> with one 7133-D40 connected. I use two looks. In the disk encloshure
> are 8 9gb disks, two 18gb disks and six 36gb disks. each configured
> for raid1.
>
> i have performance problems with the oracle 8.1.7 installation. the
> cpu´s will have 64 to 98% wio´s.
>
> i have tested the thoughput of the disks with dd if=/dev/hdisk7
> of=/dev/null bs=1024k (36 gb raid 1 disk). the maximum of transferrate
> was 5mb/s. i think it shoult be between 15-25mb/s.
>
> have anyone a idea, what is wron here?
>
>
> Regards, Hubert

Within the "diag" menu, select SSA Service Aids
Then select SSA Link Verification
After that, select SSA Speed Verification

BV