Re: Hard disk mirroring for XP?
From: Ken Blake (kblake_at_this.is.an.invalid.domain)
Date: 11/03/04
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Date: Wed, 3 Nov 2004 12:06:55 -0700
In news:59913C77-FCF3-4A4E-885E-04FF0B72D2D4@microsoft.com,
Bryan <Bryan@discussions.microsoft.com> typed:
> To all, thanks for the info.
You're welcome, Bryan. Glad to help.
-- Ken Blake - Microsoft MVP Windows: Shell/User Please reply to the newsgroup >> "Michael Stevens" <mstevens@bogusmvps.org> wrote in message >> news:%23Ep9Q2UwEHA.1148@TK2MSFTNGP12.phx.gbl... >> > Ken Blake wrote: >> > > In >> > > news:284C23F5-B84F-4E69-B6D5-E7D558257BB2@microsoft.com, >> > > Bryan <Bryan@discussions.microsoft.com> typed: >> > > >> > >> I have a critical XP machine I need to maintain a >> > >> constant >> > >> backup of. >> > >> The machine has two identical drives. One is currently >> > >> being >> > >> used. >> > >> The other is planned for a backup. Is there an >> > >> equivalent to >> > >> "mirroring" for XP? >> > >> If not, I am open to suggestions. TIA >> > > >> > > >> > > Mirroring is a technique used for situations in which >> > > downtime >> > > can't be tolerated--if one drive fails, the other takes >> > > over >> > > seamlessly. It is not the same as backup, and shouldn't be >> > > thought of as backup. >> > > >> > > The problem with using a mirror drive as backup is that, >> > > because >> > > it permanently resides in the same box as the original, >> > > and is a >> > > mirror of everything that happens to it, it is highly >> > > likely that >> > > anything other than a simple head crash that clobbers the >> > > main >> > > drive will also get the mirror. That includes things like >> > > virus >> > > attacks, user errors, severe power glitches such as nearby >> > > lightning strikes, theft of the computer, etc. >> > > >> > > If this is truly a critical machine, you should consider >> > > having a >> > > backup that is made regularly and stored externally to the >> > > computer itself. If it's *really* critical (for example >> > > ,if the >> > > life of your business depends on it), consider having >> > > multiple >> > > generations of backup and storing at least one generation >> > > off-site. >> > > >> > > You can also mirror if you need to, but don't let it be a >> > > substitute for backup. >> > >> > Ken, >> > Very well explained, and to Bryan, you would need special >> > hardware >> > i.e. raid or software to create the mirror drives. >> > -- >> > Michael Stevens MS-MVP XP >> > xpnews@bogusmichaelstevenstech.com >> > http://michaelstevenstech.com >> > For a better newsgroup experience. Setup a newsreader. >> > http://michaelstevenstech.com/outlookexpressnewreader.htm >> > >> > >> > >> >> You can find a hardware RAID 1 and 0 card for under $400 >> Canadian. >> I've even found one for under $300 that is not only good I was >> surprised to find it was cutting edge. Check out sonnam.com >> they >> have some 3ware RAID controllers that you might use but they >> also >> have the 3ware RAID card I just mentioned. I think it's the >> 7000-2. >> >> Joe
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