[CentOS] Hardware Raid cards RAID 0 / 1

Tue Jul 11 23:13:13 UTC 2006
Joshua Baker-LePain <jlb17 at duke.edu>

On Tue, 11 Jul 2006 at 4:09pm, Aleksandar Milivojevic wrote

> Adaptec and 3ware solutins seem to work nicely.  With Adaptec, I'd be 
> carefull to get aacraid based card, not I2O.  In my very limited experience, 
> 3ware cards were not as flexible as Adaptec's aacraid based cards.  The 3ware 
> you configure once and that's it.  With Adaptec, you can migrate data from 
> individual drives into RAID arrays, expand arrays (even RAID-5), change RAID 
> levels (migrate volume from for example RAID-1 to RAID-5) and so on.  All 
> while the host is up and running.  Well, at least with those I had in my 
> hands (like for example the SCSI based 2200S).

The newer 3ware cards (95xx series, IIRC) do support RAID level migration 
and array expansion, all online.

-- 
Joshua Baker-LePain
Department of Biomedical Engineering
Duke University