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Re: FreeBSD hardware solution for a database server
- To: "Jim C. Nasby" <decibel_(_at_)_decibel_(_dot_)_org>
- Subject: Re: FreeBSD hardware solution for a database server
- From: David Drum <david_(_at_)_mu_(_dot_)_org>
- Date: Tue, 23 Aug 2005 07:51:59 -0700
- Cc: freebsd-database_(_at_)_freebsd_(_dot_)_org, Uzi Klein <uzi_(_at_)_bmby_(_dot_)_com>, jmc <jcagle_(_at_)_gmail_(_dot_)_com>, freebsd-hardware_(_at_)_freebsd_(_dot_)_org
- Mail-followup-to: David Drum <david_(_at_)_mu_(_dot_)_org>, "Jim C. Nasby" <decibel_(_at_)_decibel_(_dot_)_org>, Uzi Klein <uzi_(_at_)_bmby_(_dot_)_com>, freebsd-database_(_at_)_freebsd_(_dot_)_org, jmc <jcagle_(_at_)_gmail_(_dot_)_com>, freebsd-hardware_(_at_)_freebsd_(_dot_)_org
Quoth Jim C. Nasby:
> I'd suggest whichever one is a stripe of mirrors (you don't want a
> mirror of 2 stripe sets).
RAID 1+0 (also incorrectly referred to as "10") is a stripe of mirrors.
RAID 0+1 is a mirror of stripes.
Jim is right; the difference is subtle yet important when one or more disks fail.
Regards,
David Drum
david_(_at_)_mu_(_dot_)_org
--
"Penultimate." Ooh! Second-best word ever!--Frazz
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