Re: Looking for a cheap upgrade (RAID)

On Tue, 2003-05-06 at 13:12, scott.marlowe wrote:
> On 6 May 2003, Ron Johnson wrote:
>
> > On Mon, 2003-05-05 at 17:22, scott.marlowe wrote:
> > > On 5 May 2003, Ron Johnson wrote:
> > >
> > > > On Mon, 2003-05-05 at 11:31, scott.marlowe wrote:
> > > > > On 3 May 2003, Ron Johnson wrote:
> > > > >
> > > > > > On Fri, 2003-05-02 at 13:53, Chad Thompson wrote:
> > [snip]
> > > > What controller do you use for IDE hot-swapping and auto-rebuild?
> > > > 3Ware?
> > >
> > > Linux, and I don't do hot swapping with IDE, just hot rebuild from a
> > > spare drive. My servers are running SCSI, by the way, only the
> > > workstations are running IDE. With the saved cost of a decent RAID
> > > controller (good SCSI controllers are still well over $500 most the time)
> > > I can afford enough hot spares to never have to worry about changing one
> > > out during the day.
> >
> > Ah, I guess that drives go out infrequently enough that shutting
> > it down at night for a swap-out isn't all that onerous...
> >
> > What controller model do you use?
>
> My preference is SymBIOS (LSI now) plain UW SCSI 160, but at work we use
> adaptec built in UW SCSI 160 on INTEL dual CPU motherboards. I've used
> RAID controllers in the past, but now I genuinely prefer linux's built in
> kernel level raid to most controllers, and the load on the server is <2%
> of one of the two CPUs, so it doesn't really slow anything else down. The
> performance is quite good, I can read raw at about 48 Megs a second from a
> pair of 10kRPM UWSCSI drives in a RAID1. These drives, individually can
> pump out about 25 megs a second individually.

Hmm, I'm confused (again)...

I thought you liked IDE RAID, because of the price savings.

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| Ron Johnson, Jr. mailto:ron(dot)l(dot)johnson(at)cox(dot)net |
| Jefferson, LA USA http://members.cox.net/ron.l.johnson |
| |
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