I'm inclined to think this controller can do it with 4-5 spindles per
channel. I'm told the strongarm processor at 233mhz can really crank on
RAID 5 applications. Let us know how it works out.
Cheers,
Chris
----- Original Message -----
From: "Brian Pomerantz" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Thursday, March 02, 2000 1:51 PM
Subject: Re: FW: ExtremeRAID 1100 benchmarks
> I'm in the middle of testing this controller on an ES40 (4 CPU Alpha).
> I should get some numbers next week. So far with a 4+p RAID 5 I'm
> seeing about 17MB/s write performance with a single chain. I think
> these are only 7200 RPM drive. I don't really care about read
> performance but that was up around 30MB/s. Next week I should be
> testing with 2 cards per server with 3 chains on one and 2 chains on
> another. I'm trying to reach 100MB/s write performance on a single
> server. I really doubt I'll get that with this card, I'm nearly
> certain I'll have to go with an external Fibre Channel solution with a
> smart enclosure.
>
>
> BAPper
>
> On Thu, Mar 02, 2000 at 12:58:42PM -0500, Kenneth Cornetet wrote:
> > I had a 2 channel 1164 in a dual 450 PIII (256MB ram) with 4 18GB
Seagate
> > LVD 10K RPM drives in RAID 5. WIth all defaults, except 4K block size of
the
> > ext2 file system, I got about 22MB/sec reads and writes according to
Bonnie.
> > Best I remember, the 4K block size made a fairly large improvement over
> > absolute defaults.
> >
> > I didn't have time to tweak any settings on the 1164
> >
> > This was a stock redhat 6.0 system.
> >
> > Unfortunately, box only ran linux for about an hour. Alas, it was
destined
> > to be an NT machine.
> >
> > I wished someone would port Bonnie (or tiotest) to NT.
> >
> > -----Original Message-----
> > From: Chris Mauritz [mailto:[EMAIL PROTECTED]]
> > Sent: Thursday, March 02, 2000 11:29 AM
> > To: [EMAIL PROTECTED]
> > Subject: ExtremeRAID 1100 benchmarks
> >
> >
> > Has anyone done any benchmarks with the Mylex ExtremeRAID 1100? I'm
> > planning on getting one of the 3 channel ones with 64mb cache.
Initially,
> > it will be delivered on a dual PIII-750mhz machine with NT, but I'd like
to
> > repurpose this as a Linux file server. It will have an external
enclosure
> > with 8 18gig 10,000rpm IBM Deskstars and one hot spare. Can anyone
hazard a
> > guess at the kind of performance I can expect from such an array?
> >
> > Cheers,
> >
> > Chris
> >
> > Chris Mauritz
> > [EMAIL PROTECTED]
> >
>
>
