Re: io performance...

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Alan Cox wrote:
On Iau, 2006-01-19 at 21:14 +0800, Max Waterman wrote:
So, if I have my raid controller set to use write-back, it *is* caching the writes, and so this *is* a bad thing, right?

Depends on your raid controller. If it is battery backed it may well all
be fine.

Eh? Why?

I'm not sure what difference it makes if the controller is battery backed or not; if the drives are gone, then the card has nothing to write to...will it make the writes when the power comes back on?

Max.
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