[AccessD] OT: Hard Drives, RAID, backup setup

You're right, it's not accurate.  Misleading graphic.

John


> -----Original Message-----
> From: accessd-bounces at databaseadvisors.com 
> [mailto:accessd-bounces at databaseadvisors.com] On Behalf Of John Bartow
> Sent: 27 March 2004 23:49
> To: Access Developers discussion and problem solving
> Subject: RE: [AccessD] OT: Hard Drives, RAID, backup setup
> 
> 
> I always thought having two mirrored drives attached to one 
> raid controller would have two data streams and hence the 
> writing to the two drives would be simultaneous. This depicts 
> one data stream that causes the writing to have a delay for 
> the second drive. Is that accurate?
> 
> John
> 
> -----Original Message-----
> From: accessd-bounces at databaseadvisors.com
> [mailto:accessd-bounces at databaseadvisors.com]On Behalf Of 
> DJK(John) Robinson
> Sent: Saturday, March 27, 2004 4:04 PM
> To: 'Access Developers discussion and problem solving'
> Subject: RE: [AccessD] OT: Hard Drives, RAID, backup setup
> 
> 
> RAID - the movie;  see
> 	http://www.acnc.com/04_01_00_flash.html
> 
> Not quite as good/accurate/complete as it could be, though.
> 
> John
> 
> 
> > -----Original Message-----
> > From: accessd-bounces at databaseadvisors.com
> > [mailto:accessd-bounces at databaseadvisors.com] On Behalf Of Gustav 
> > Brock
> > Sent: 27 March 2004 18:13
> > To: Access Developers discussion and problem solving
> > Subject: Re: [AccessD] OT: Hard Drives, RAID, backup setup
> >
> >
> > Hi Drew
> >
> > > Haven't had my coffee yet, but I thought RAID 0 was a
> > mirror, and RAID
> > > 1 was a stripe.  I'm a little groggy, so if you can't find it on 
> > > google somewhere, and really want to know, I'll go look it up.
> >
> > Nope - you certainly miss both the coffee and the orange juice:
> >
> >   http://www.arstechnica.com/paedia/r/raid-1.html
> >
> >   http://www.arstechnica.com/paedia/r/raid-2.html
> >
> > Also, RAID 0-1 and 1-0:
> >
> > http://www.ofb.net/~jheiss/raid10/
> >
> > /gustav
> >
> >
> > > Plain mirror is RAID 1, isn't it?
> >
> > > And you can always go to SATA these days, up to 8 drives on
> > a PCI card
> > > - given the right PCI interface - RAID 0, 1, 5, 10 or JBOD.
> >
> > --
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