From: Brad Campbell <brad@wasp.net.au>
To: Max Waterman <davidmaxwaterman+gmane@fastmail.co.uk>
Cc: linux-raid@vger.kernel.org
Subject: Re: RAID 1 vs RAID 0
Date: Wed, 18 Jan 2006 12:40:28 +0400 [thread overview]
Message-ID: <43CDFEFC.5070109@wasp.net.au> (raw)
In-Reply-To: <dqksi3$mf2$5@sea.gmane.org>
Max Waterman wrote:
>
> Still, it seems like it should be a solvable problem...if you order the
> data differently on each disk; for example, in the two disk case,
> putting odd and even numbered 'stripes' on different platters [or sides
> of platters].
>
The only problem there is determining the internal geometry of the disk, and knowing that each disk
is probably different. How do you know which logical sector number correlates to which surface and
where abouts on the surface? Just thinking about it makes my brain hurt.
Not like the good old days of the old stepper disks.
Brad
--
"Human beings, who are almost unique in having the ability
to learn from the experience of others, are also remarkable
for their apparent disinclination to do so." -- Douglas Adams
next prev parent reply other threads:[~2006-01-18 8:40 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-01-18 5:07 RAID 1 vs RAID 0 Max Waterman
2006-01-18 5:20 ` Max Waterman
2006-01-18 7:40 ` Mark Hahn
2006-01-18 8:00 ` Max Waterman
2006-01-18 8:40 ` Brad Campbell [this message]
2006-01-18 10:33 ` Mario 'BitKoenig' Holbe
2006-01-18 11:43 ` Neil Brown
2006-01-18 13:02 ` John Hendrikx
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