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October 2000, Week 2

HP3000-L@RAVEN.UTC.EDU

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Subject:
From:
Larry Barnes <[log in to unmask]>
Reply To:
Larry Barnes <[log in to unmask]>
Date:
Wed, 11 Oct 2000 09:54:07 -0700
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I've worked on EMC frames last year and the rumor was a fully loaded frame was
around $1,000,000.00!!  Great boxes with BIG price tag.

John Lee wrote:

> I don't doubt you, Kevin.  I hear nothing but kudos for XP256 and EMC.  But
> of interest and relevance to this community, how much does an XP256 cost?
> My guess is that they are cost-prohibitive to many.  Again, I go back to
> the Model 20 array as the preferred solution to those who don't have your
> budget, and that's undoubtedly why we sell so many of them.  If money
> weren't a factor, I'd recommend your solution to everyone.
>
> John Lee
> Vaske Computer Solutions
>
> At 08:26 PM 10/10/00 -0600, Kevin Newman wrote:
> >I for one have lived the horror story and I've never been more happy to
> >spend (the company's) money to get off of the 12Hs.  If you have a low
> >amount of I/O then the 12Hs might be for you.  In a heavy I/O
> >environment, you wouldn't like to see just how slow your system can
> >perform.
> >
> >No urban myth here.  We had serious performance problems.  We are
> >running at a minimum of 4-5 times faster on the XP256 disc array and
> >this is without any changes to memory or any other system component.
> >Yes, you read that right 400% - 500% better!!!
> >
> >Kevin
> >
> >Steve Belkacem wrote:
> >>
> >> Apologies if I misled here. I am basically looking at
> >> both options Mirroring and 12H.
> >>
> >> Mirroring is the system we currently have, and does
> >> not seem to work correctly.
> >>
> >> The 12H raid option is the sytem which we are
> >> currently looking towards and I need to find out if it
> >> is a good solution, or if the horror stores if slow
> >> performace and the ARM utility are an urban myth.
> >>
> >> Thanks
> >>
> >> Steve
> >> --- Larry Barnes <[log in to unmask]> wrote: >
> >> Question,  why use mirroring on an 12h disc array?
> >> > When we set up a new
> >> > system here we had a 12h fully loaded configured in.
> >> >  Within the first 2
> >> > months we had 2 drives fail.  The system slowed down
> >> > (considerable)
> >> > while it rebuilt the bad drive but the system never
> >> > went down.
> >> >
> >> > Steve Belkacem wrote:
> >> >
> >> > > Hi people,
> >> > >
> >> > > 1. We currently use mirroring on out production
> >> > > machines. The feeling is that it is not a very
> >> > good
> >> > > system due to every time a primary disc has failed
> >> > ,
> >> > > the switchover to the secondary drive has not
> >> > happened
> >> > > and therefore the software is a waste of time.
> >> > >
> >> > > I am , in a very open minded way, presuming that
> >> > this
> >> > > is due to the mirroring was setup incorrectly at
> >> > the
> >> > > time . Would this be a correct assuption ?
> >> > >
> >> > > Would any users of the system please give me their
> >> > > opinion on this.
> >> > >
> >> > > 2. 12H Autoraid.
> >> > > Again I'd like to hear other peoples thoughts on
> >> > this.
> >> > > >From being in a position where I was happy to
> >> > move to
> >> > > this, I keep hearing horror stories (not direct)
> >> > which
> >> > > is unsettling to say the least.
> >> > >
> >> > > 3. Any other solution for the resilance ?
> >> > >
> >> > > Many Thanks in Advance
> >> > >
> >> > > Steve
> >> > >
> >> > >
> >> >
> >> ____________________________________________________________
> >> > > Do You Yahoo!?
> >> > > Get your free @yahoo.co.uk address at
> >> > http://mail.yahoo.co.uk
> >> > > or your free @yahoo.ie address at
> >> > http://mail.yahoo.ie
> >> >
> >> > --
> >> > Larry Barnes
> >> > Director of I.T.
> >> > Mitek Corp.
> >> > 602-438-4545 x1366
> >> > Phoenix, AZ 85040
> >> >
> >> > Check Us Out !
> >> > http://www.mitekcorp.com
> >>
> >> ____________________________________________________________
> >> Do You Yahoo!?
> >> Get your free @yahoo.co.uk address at http://mail.yahoo.co.uk
> >> or your free @yahoo.ie address at http://mail.yahoo.ie
> >
> >

--
Larry Barnes
Director of I.T.
Mitek Corp.
602-438-4545 x1366
Phoenix, AZ 85040

Check Us Out !
http://www.mitekcorp.com

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