Leslie Rhorer wrote:
The bottom line, however, is that even if RAID1 is at the code level
just a specific implementation of RAID10, it still is a sufficiently
distinct operational mode to warrant its own name, setting it aside from the
more general RAID10 implementation. Aside from that, when I say, "My
servers boot from 2 disk RAID1 arrays", everyone knows exactly what I mean
without my having to go into more detail about the layout. For the most
part, it doesn't really matter if I happened to create the array using a
specific layout of RAID10. This has its greatest importance for someone
inexperienced with RAID systems, who perhaps is setting up his very first
mirrored array with a pair of disks. Having to try to learn all the ins and
outs of RAID10 layouts just to be able to create a pair (or triplet) of
mirrored disks is not appropriate.
Good points all.
It is worth noting, that in this context, it's pretty silly to use a
fancy setup for /boot and swap space - simple RAID1 mirrored partitions
work just fine. Where RAID10 is excellent is as a starting point for
LVM, and volumes that support virtual machines.
--
In theory, there is no difference between theory and practice.
In<fnord> practice, there is. .... Yogi Berra
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