RE: [SLUG] Is RAID worth doing?

From: Eben King (eben01@verizon.net)
Date: Sun Jul 16 2006 - 14:32:13 EDT


On Sun, 16 Jul 2006, Ken Elliott wrote:

>>> Our experience with 3Ware has been that failures often go unseen, write
>>> speed suffers drastically, and adding/removing drives requires extra
>>> intervention.
>
> Perhaps I can learn something here, Ian. I've used 3Ware hardware mirroring
> so that I could mirror the swap partition. It is my understanding that
> software RAID will not mirror Swap, and failure of the swap partition will
> crash the system. Am I missing something?
>
> My goal is not to crash the server, in the event of a HDD failure. I don't
> mind a scheduled shutdown to replace a drive and rebuild the system. How do
> you avoid crashing the system if your swap partition fails?

Maybe one swap partition on Drive Alpha (if it's there) and one on the Drive
Beta (if it's there)? Assuming the swap partition isn't also mirrored; if
it is then this is moot, and it probably won't fail anyhow.

-- 
-eben      QebWenE01R@vTerYizUonI.nOetP      http://royalty.no-ip.org:81
ARIES:  The look on your face will be priceless when you find that 40lb
watermelon in your colon.  Trade toothbrushes with an albino dwarf, then
give a hickey to Meryl Streep.  -- Weird Al, _Your Horoscope for Today_
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