Re: io performance...

[Max Waterman]

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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