[CentOS] RAID support in kernel?

Sun Jan 30 15:23:09 UTC 2011
Rudi Ahlers <Rudi at SoftDux.com>

On Sun, Jan 30, 2011 at 5:01 PM, Kevin K <kevink1 at fidnet.com> wrote:
>
> On Jan 30, 2011, at 7:36 AM, Robert Heller wrote:
>
>> At Sat, 29 Jan 2011 22:33:50 -0500 CentOS mailing list <centos at centos.org> wrote:
>
>
>> Many of the SATA (so-called) hardware raid controllers are not really
>> hardware raid controllers, they are 'fakeraid' and requires lots of
>> software RAID logic.  You are generally *better off* to *disable* the
>> motherboard RAID controller and use native Linux software RAID.
>
> The only caveat I can think of is if you wanted to BOOT off of the raid configuration.  The BIOS wouldn't understand the Linux RAID implementation.
>
> But for RAID 1, especially, you probably want a minimum of 3 drives.  A boot drive with Linux, and the other 2 RAIDed together for speed.  That way, the logic to handle the failure of one of the drives isn't on the drive that may have failed.
>
> Of course, if it is the Linux drive that failed, you replace that (from backup?) and your data should all still be available.
>
>
>
> _______________________________________________


You can install Linux on software RAID1 :)


-- 
Kind Regards
Rudi Ahlers
SoftDux

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