Re: speed and scaling

[Chris Mauritz]

> From [EMAIL PROTECTED] Tue Jul 11 05:21:43 2000
> 
>   Hi!
> 
> > or just brilliant driver design by Leonard Zubkof, but the Mylex 
> > cards are the performance king for hardware RAID under Linux (and
> I was suprised to hear that. We just bought a Mylex AcceleRAID
> 250 with five 18G IBM disks, and it's a lot slower than sw RAID.
> 
> HW RAID 5  read:  26MB/s  write:   9MB/s  
> SW RAID 5  read:  43MB/s  write:  39MB/s
> SW RAID 0  read:  62MB/s  write:  65MB/s

The 250 is their lowest end card.  The ExtremeRAID cards have much
faster processors and more memory.  However, software RAID is almost
always faster.  I believe I mentioned that in my original note.

Cheers,

Chris
-- 
Christopher Mauritz
[EMAIL PROTECTED]