On Mon, 8 May 2000, Anders Engle wrote:
> > > We just got a PowerEdge 4300 from Dell. It came with the PERC2/SC raid
> > > card, and that has to be THE slowest raid card ever. I've tried updating
> > > to newest drivers and so forth and it was still pretty bad. So I tried a
> >
> > The magic combination I found I needed was
> >
> > - 3.1 firmware
> > - 1.07+ driver
> >
> > and critical one: Turn on the always cache read/write bios thingy
> >
>
> Yes! The 1.07 drivers with the bios settings IS alot nicer. However, I
> have another problem with the card. It will survive a drive fail just
> fine and rebuild on the spare, no big deal. It all works fine untill you
> try a reboot. I have yet to get the system to reboot after a rebuild. Bios
> throws up on me claiming that there is no bootsector. I can reinstall on
> the drive, but that sort of defeats the purpose...
>
> Yeah yeah I guess this is isn't a SMP issue, sorry.
>
> Anders Engle
>
>
I'm not booting off of the Raid-5 array, but I have played around with
it, yanked a drive out, let it rebuild, and had no problems of any kind
across boots...
I'm not sure I would put my system stuff on the raid array, as I am not
hyper about the reliability of that data since it is easy to recover. I
am more interested in reliability of data being computed on the cluster,
that might take days to compute.
I'll try to test the rebuild/reboot however, as I have a few spare 9 gig
drives that I can raid together and boot from, for testing...
>
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