> -----Original Message-----
> From: Simo Varis [mailto:[EMAIL PROTECTED]]
> Sent: Friday, February 25, 2000 3:15 AM
> To: [EMAIL PROTECTED]
> Subject: SW-RAID or Compaq HW-RAID?
>
>
> I have to setup Linux on Compaq Proliant server soon. What is
> needed is
> about 18 GB disk space, i.e. RAID1 = 2x 18GB or RAID5 = 3x 9GB.
> Proliant 400 is enough, but it cannot do hotswap which Proliant 1600
> can do.
>
> Now, if I go for a bit more expensive PL1600, how well
> hotswap features
> work with SW-RAID?
No idea, but I'm sure that somebody here has tried it.
>
> Then, how much slower (not faster I guess :) Smart Array 221 would be
> than SW-RAID (single P3-500)? And can I do all SA-221 maintaining from
> Linux or do I need to reboot to dos? New official home
> (ftp://ftp.compaq.com/pub/products/drivers/linux/) does not have too
> much documentation..
That sort of depends on what the server is doing. Software RAID performance
is dependant on how many CPU cycles you have free. I.E. software RAID is
probably BAD for DNS servers, and database servers.
Greg