Re: Two RAID1 mirrors are faster than three

From: Lars Marowsky-Bree (lmb@suse.de)
Date: Mon May 12 2003 - 09:56:24 EST

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On 2003-05-12T17:40:18,
Clemens Schwaighofer <cs@tequila.co.jp> said:

> that sounds like a super special featuer never needed in Software (!!)
> Raid thing (IMvHO).

No.

3way mirroring is actually rather useful. You can take a failure and
_still_ be fully redundant (ie, like a hot-spare, just already synced).
In theory, you could even read from three drives and correct errors on
one drive.

Sincerely,
Lars Marowsky-Brée <lmb@suse.de>

-- 
SuSE Labs - Research & Development, SuSE Linux AG
  
"If anything can go wrong, it will." "Chance favors the prepared (mind)."
  -- Capt. Edward A. Murphy            -- Louis Pasteur
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