Re: strange performance regression between 7.4 and 8.1

\
>> Is the SAN being shared between the database servers and other
>> servers?  Maybe
>> it was just random timing that gave you the poor write performance on
>> the old
>> server which might be also yielding occassional poor performance on
>> the new
>> one.
>>
>
> The direct attached scsi discs on the old database server we getting
> 45MBps not the SAN.  The SAN got 62/145Mbps, which is not as bad.

How many spindles you got in that SAN?

 We
> have 4 servers on the SAN each with it's own 4 GBps FC link via an FC
> switch.  I'll try and re-run the numbers when the servers are idle
> this weekend.
>
> Alex
>


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