umm... I think what you mean is the equivalent to 1 drive is parity, distributed across all drives in the array. 1 drive dedicated to parity would leave you with a RAID0 if it died whereas in real-life you loose *any* drive and you run in degraded mode. -Tom Nate Carlson wrote: >On Wed, 18 Aug 2004, smac at visi.com wrote: > > >>It depends on whose raid controller you are using. >> >>If it's a newer HP/Compaq controller you can have 2 drives fail replace >>the failed drives one at a time "HOT" and not miss a read or write. >> >> > >Huh? > >RAID5 means 1 parity drive, so if two drives fail and you don't have a hot >spare (or if the second drive fails before the spare has been fully >brought into service), you will (by definition) lose the array. Doesn't >matter who made the controllers. > >Or are you talking about RAID6, where you have two parity drives? > > > _______________________________________________ TCLUG Mailing List - Minneapolis/St. Paul, Minnesota Help beta test TCLUG's potential new home: http://plone.mn-linux.org Got pictures for TCLUG? Beta test http://plone.mn-linux.org/gallery tclug-list at mn-linux.org https://mailman.real-time.com/mailman/listinfo/tclug-list