This is correct. I really meant software mirroring.
Christian
> -----Message d'origine-----
> De : HP-3000 Systems Discussion [mailto:[log in to unmask]] De la part
> de Johnson, Tracy
> Envoyé : lundi 26 novembre 2007 20:21
> À : [log in to unmask]
> Objet : Re: [HP3000-L] RE : [HP3000-L] 'Raiding' LDEV1 (Was: HP3000
> Homesteading Questions)
>
> I would change that to: "software mirroring has never worked on LDEV 1".
>
> Since hardware mirroring works on our old Nike Array (includes a hot spare
> too.)
>
> Tracy Johnson
> Measurement Specialties, Inc.
>
> BT
>
>
>
>
>
>
>
> NNNN
>
>
> > -----Original Message-----
> > From: HP-3000 Systems Discussion
> > [mailto:[log in to unmask]] On Behalf Of Christian Lheureux
> > Sent: Monday, November 26, 2007 1:39 PM
> > To: [log in to unmask]
> > Subject: [HP3000-L] RE : [HP3000-L] 'Raiding' LDEV1 (Was:
> > HP3000 Homesteading Questions)
> >
> >
> > Deane,
> >
> > AFAIK, mirroring has never worked on LDEV 1. That rules out
> > the most obvious software solution.
> >
> > Now, the problem is : how to secure LDEV 1 ?
> >
> > If you don't want to invest in some high-tech (and my
> > uneducated guess is that you probably don't), fully redundant
> > solution, I would recommend installing Ldev1 on some external
> > Raid box, such as a Mod20 or similar array. You probably can
> > find a Mod20 at a broker's near you at some dirt-cheap price.
> > The WC suffix quoted below indicates your system supports
> > Fast-Wide. Now, the remaining questions are : does your
> > system have an external FW port, AND do you have a FW cable
> > and a terminator ?
> >
> > If the answer is yes to all of the above, fine. You're 1 full
> > install short of Ldev1 hardware redundancy.
> >
> > HTH,
> >
> > Christian, somewhere in France, still occasionally trying to
> > be relevant
> >
> > > -----Message d'origine-----
> > > De : HP-3000 Systems Discussion
> > [mailto:[log in to unmask]] De la
> > > part de Deane Bell Envoyé : lundi 26 novembre 2007 19:06
> > > À : [log in to unmask]
> > > Objet : [HP3000-L] 'Raiding' LDEV1 (Was: HP3000
> > Homesteading Questions)
> > >
> > > Nothing like relying on good advice from folks who've 'been there,
> > > done that'. Regarding both your posts to the 3000 list, IS
> > there an
> > > HP supported solution for replacing the 4GB internal LDEV1 with
> > > something that supports RAID (or at least mirroring)? We currently
> > > have our production data in 'Jamaica' units, fully mirrored
> > > (Mirror/iX), but indeed I've been worried about the ancient
> > LDEV1 ...
> > > enough that we do everything possible to NOT shutdown
> > power. It has
> > > reached the point where I have concern that if the drive ever lost
> > > it's taste for power ... it might never spin up again and
> > the thought
> > > of a RELOAD is not fun.
> > >
> > > We currently have our system on full HP Support.
> > > LDEV: 1; Type: ST34573WC; Size: 4.29Gb; Path: 10/4/24.6.0
> > >
> > > Any advice, specific hardware make/models, software for
> > addressing the
> > > single LDEV1 situation would be appreciated.
> > >
> > > Thank you.
> > >
> > > ----------
> > >
> > > Date: Tue, 20 Nov 2007 11:51:52 -0800
> > > From: donna hofmeister <[log in to unmask]>
> > > Subject: Re: HP3000 Homesteading Questions
> > >
> > > ...... i'll as strongly as possible urge you to look at
> > upgrading your
> > > disc. it's probably the one component most likely to fail
> > on your box
> > > -- especially if you're still running internal 4 or 8gb drives. if
> > > your drives have been in service for more than 8-10 years
> > (did you put
> > > in new disc to upgrade to 5.5 for y2k?), imo you're skating on thin
> > > ice! it's a matter of time before you'll be changing disc
> > in a panic
> > > instead easily over some weekend. so ask your vendor
> > > -- do you have staff that can assist with a disk migration?
> > >
> > > ----------
> > >
> > > Date: Tue, 20 Nov 2007 14:17:23 -0600
> > > From: John Lee <[log in to unmask]>
> > > Subject: Re: HP3000 Homesteading Questions
> > >
> > > Superb advice from donna. I've been doing this for 12
> > years and the
> > > sites we support who have the smoothest operation do as donna
> > > suggests. They rarely have unscheduled downtime or emergencies.
> > >
> > > And one more word on old disc. If you're not RAIDed,
> > you're not doing
> > > your homework. It's inexpensive and light years ahead of
> > old internal
> > > SE SCSI disc.
> > >
> > > John Lee
> > > Vaske Computer Solutions
> > >
> > >
> > ----------------------------------------------------------------------
> > > ----
> > > --
> > > Deane Bell; Computer Services Coordinator, Affiliate
> > Assistant Professor
> > > The University of Washington Vmail : (206) 598-6009
> > > Medical Centers Pharmacy - ea151 TextPager: (206) 995-2720
> > > 1959 N.E. Pacific Street, Box 356015 facsimile: (206) 598-4901
> > > Seattle, WA 98195-6015 U.S.A. internet :
> > [log in to unmask]
> > >
> > --------------------------------------------------------------
> > ------------
> > > --
> > >
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> >
>
> * To join/leave the list, search archives, change list settings, *
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