On Thu, Feb 19, 2004 at 07:06:32AM -0500, Joshua Baker-LePain wrote:
>
> I fully agree on avoiding cheap "hardware" RAID cards. Regarding drivers
> going away, though, the 3ware drivers are open source and have been in the
> kernel for a long time. If 3ware were to disappear (unlikely), I'd be
> willing to bet that the drivers stay supported by the community.
>
I have always avoided the promise fasttrak cards for exactly that
reason ("hardware" being in quotes). It's my understanding that
they're not much more than their udma cards with drivers that do most
of the RAIDing.
It was also my understanding that the 3ware cards are true hardware
raid and are up to the task of something like this, which would also
explain why they're 4x the cost.
I am looking at a four disk raid5 or raid10, and it seems like
the interrupt load from four drives on four channels might be a bit
excesive. I'm going to be running critical services on the machine
that the drives are in (namely mysql and nfs) and don't want to worry
about performance.
Am I thinking about this the wrong way?
-j
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