Archived from groups: alt.comp.hardware,alt.comp.hardware.homebuilt,alt.comp.hardware.pc-homebuilt (
More info?)
"Darren Harris" <Searcher7@mail.con2.com> wrote in message
news:9437a27c.0404141317.24e7c225@posting.google.com...
> I assumed that RAID was reliable. But going by the responses here, it
> is the common consensus that RAID has become easy and inexpensive
> also, correct?
>
> Thanks.
>
> Darren Harris
> Staten Island, New York.
>
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> Toshi1873 <toshi1873@nowhere.com> wrote in message
news:<MPG.1adff932e26e87c3989833@news-50.giganews.com>...
> > In article <9437a27c.0404081136.7e510c6
> > @posting.google.com>, Searcher7@mail.con2.com says...
> > > Can anyone explain why after all this time there is no easy,
> > > inexpensive, and reliable way to get all data to write to two or more
> > > identically sized hard drives in a system *at exactly the same time*?
> > >
> > > It is obvious that if there is a mechanical failure, this is the only
> > > way that one will still have a back-up drive that is *exactly* the
> > > same down to every last bit as the drive that went down.
> > >
> >
> > RAID1 - Hit the www.promise.com or www.3ware.com
> > websites for info on the PCI RAID cards that hook up to
> > either (2) PATA or (2) SATA disks.
> >
> > Advantages:
> > - single drive failure is handled invisibly, until the
> > 2nd drive fails (make sure to replace failed drives ASAP
> > or have a hot spare available)
> >
> > Disadvantages:
> > - more complicated to install, requires seperate drivers
> > during installation
> > - often slower then a non-RAID system
> > - every byte of storage costs twice as much
> > - doesn't protect against accidental deletions or
> > corruption of files on the file system
> >
> > Sometimes it's better to run a single disk, using Ghost
> > periodically as well as a data mirroring program like
> > Second Copy to protect the data to a second drive.
> > Ghosting allows you to snapshot the O/S so you can go
> > back to a fixed point in time when everything was
> > working. Second Copy handles keeping a backup copy of
> > your data files (along with past revisions, or deleted
> > files) on the 2nd drive.
Pretty much yes, alot of MOBO's come with a built in Raid option for the
IDE controllers which means you only have to supply the additional drives.
f you don't have this option a raid card is fairly inexpensive now too.