On Fri Feb 04, 2011 at 11:03:30AM -0500, Phillip Susi wrote:
> FYI, you should get in the habit of using your mail client's reply to
> all function. I did not see this until now because you did not send me
> a copy.
>
I'll make an exception in this case, but I generally reply to messages
on mailing lists to the list only, and I have no plans to change this.
> On 2/1/2011 4:20 AM, Robin Hill wrote:
> > No, it's RAID 10 or RAID 1+0. RAID 0+1 would be 2 mirrored pairs of
> > 5-disk RAID 0 arrays, in which case you could only lose 5 disks if
>
> In English we read from left to right and top to bottom, so 0+1 means
> stripe on top of mirror.
>
The vast majority of online sources would disagree with you. See:
http://en.wikipedia.org/wiki/Nested_RAID_levels
http://www.aput.net/~jheiss/raid10/
http://decipherinfosys.wordpress.com/2008/01/15/difference-between-raid-01-vs-raid-10/
http://www.raid.com/04_01_0_1.html
http://www.pcguide.com/ref/hdd/perf/raid/levels/multLevel01-c.html
http://www.adrc.com/raid-01.html
The order it's written is the order of creation. RAID0+1 = RAID 0,
then RAID 1 (mirrored stripes) and RAID1+0 = RAID 1, then RAID 0
(striped mirrors).
Cheers,
Robin
--
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( ' } | Robin Hill <robin@xxxxxxxxxxxxxxx> |
/ / ) | Little Jim says .... |
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