Redundant RAID Controllers

Joshua Goodall joshua at
Mon Apr 19 01:47:01 CDT 2004

On Sat, 17 Apr 2004 01:33 am, Karl Zander wrote:
> Trying to figure out a solution for redundant RAID controllers to
> eliminate the RAID controller as a single point of failure.    Is it
> possible to have a RAID 5 array with redundant controllers  Will a
> PowerEdge server support that?  Does it need a special PERC card? 

Yes, it can be done, but usually using external RAID shelves. The disks 
themselves need to be either dual-ported SCSI or fibrechannel, since 
they have to be attached to both controllers.


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