Opteron in a Dell?

Greg Cope, e-DBA Team greg.cope at e-dba.net
Tue May 2 04:19:38 CDT 2006


On Fri, 2006-04-28 at 16:22 -0400, Dan Pritts wrote:
> On Fri, Apr 28, 2006 at 09:08:05AM +0100, Greg Cope wrote:
> > "traditionally" sun have used software raid on the hosts, and hardware
> > raid on the external storage (if required).  This is a generalisation.
> 
> Supposedly the x4100 and x4200 have hardware RAID 1 suppport.

So do the sparc v440's, but they have limitations, and I do not know
many people who use them.

Software raid in many cases is faster (with low/entry spec raid cards) -
and less grief when things fail) ie the other disk is still accessible
directly.

Hence one reason I put "generalisation".

Greg

> The x2100 has some sort of hardware raid but it is not supported
> under solaris or linux, only windows (??).  Maybe it's a "hostraid"
> software raid type thing, i don't know - i don't have any of those
> boxes.
> 
> danno



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