[CentOS] 3Ware 9550SX and latency/system responsiveness
Feizhou
feizhou at graffiti.net
Tue Sep 18 14:46:23 UTC 2007
>>>> Is there any way to tell the card to forget about not having a BBU
>>>> and behave as if it did?
>>> Short of modifying the code...I do not know of any.
>> Well, I've now got BBUs on order for the three identical machines to
>> see if that does anything to improve matters - I'll report back when
>> I've fitted them. A glance through the 2.26.05.007 driver code shows
>> no references to the BBU, so the different code paths (with BBU and
>> without) must be in the firmware itself.
>
> If your card is on a PCI riser try running it plugged directly in the
> slot (if you can) and see if that helps.
>
He said his card is directly plugged in.
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