Re: 3Ware 9550SX and latency/system responsiveness

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Simon Banton wrote:
At 20:52 +0800 13/9/07, Feizhou wrote:
Well, the first thing I noted was that the H8DA8 was not on the list of compatible motherboards on the 3ware website.

I challenged the vendor about that quite early on and was told that they've used this combo before with no trouble, though I've yet to press them on this point - but yes, that's a possibility I've not ruled out.

The card's running the latest firmware that I know about, certainly the fw in codeset 9.4.1.2 is the version intended to go with the driver supplied in CentOS 4.5.

It's definitely in the right slot, not using a riser and it's running at the right speed:

//serv1> /c0 show all
[snip]
/c0 Controller Bus Type = PCIX
/c0 Controller Bus Width = 64 bits
/c0 Controller Bus Speed = 133 Mhz


Hmm, how are you creating your ext3 filesystem(s) that you test on? Try creating it with a large journal (maybe 256MB) and run it in full journal mode.
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