[rescue] RAID (was Re: Insane drives)

Björn Ramqvist rescue at sunhelp.org
Wed Jul 11 03:40:35 CDT 2001


Brian Hechinger wrote:
> 
> > Yeah, the SSA is just a JBOD.  Any raid is done via DiskSuite.
> 
> the SSA has "RAID Acceleration"  i'm not 100% on what that means exactly, but
> it does do NVRAM cache stuff, so if you lose power, bring it back up and it
> will continue to write to disk.  neat little toys.  now to figure out why mine
> doesn't want to work right.

I think this is writeback cache, backed up with NVRAM. Generally good
performance gains, if it's engineered correct.

/Bjorn



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