Re: [squid-users] squid with linux or freeBSD?

Hi,

On Thu, 1 May 2003 11:31:30 +0800
"fooler" <fooler@skyinet.net> wrote:

> ----- Original Message -----
> From: "Brett Lymn" <blymn@baesystems.com.au>
> To: "fooler" <fooler@skyinet.net>
> Cc: "Mauro" <mauro.sanna6@tin.it>; "Ahmad Masood Shah"
> <masood@ipsec.fibre.net.pk>; <squid-users@squid-cache.org>
> Sent: Thursday, May 01, 2003 9:51 AM
> Subject: Re: [squid-users] squid with linux or freeBSD?
>
>
> > Uh *hello*, not in any raid 5 that I know of. This is simply not
> > true, raid 5 is raid 5 - you lose a disk it will go degraded.
>
> yeah right... because it can still construct the lost data to the two
> remaining disks but no parity information anymore thus turn into degraded
> mode... sorry for that...

Doesn't performance actually *increase* if you lose a disk? Sure you're
"degraded" as far as redundancy goes but performance-wise you win because some
percentage of reads (and writes?) no longer involves the parity calculation
(it's on the missing disk) and so occur faster.

Colin

--
Colin Campbell
Unix Support/Postmaster/Hostmaster
CITEC
+61 7 3227 6334