John Bartow
john at winhaven.net
Sat Mar 27 17:49:00 CST 2004
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. > > -- > _______________________________________________ > AccessD mailing list > AccessD at databaseadvisors.com > http://databaseadvisors.com/mailman/listinfo/accessd > Website: http://www.databaseadvisors.com > -- _______________________________________________ AccessD mailing list AccessD at databaseadvisors.com http://databaseadvisors.com/mailman/listinfo/accessd Website: http://www.databaseadvisors.com