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qlso sprach Boyd Stephen Smith Jr. <bss@iguanasuicide.net> [2010.06.15.1840 +0200]:
> > 0 is not a RAID level. Don't do it. Use LVM for that.
> It is a RAID level, now.  It wasn't in the original paper since it
> lacks the *R* in RAID--Redundancy.

Details… but it is *still* not redundant, so I fail to see how it
has suddenly become a RAID level. ;)

> On the other hand, LVM striping is per-LV.  Doing something like
> that with mdadm is... complex.

Use mdadm for a RAID1 and LVM on top by default.

Use mdadm for a RAID5 or RAID6 and LVM on top for the remaining
cases when you need space and care less about performance.

Use LVM without RAID if you need space (and/or performance) and have
the data mirrored elsewhere. I fail to see the advantage of RAID0 in
this scenario, as LVM is more flexible.

 .''`.   martin f. krafft <madduck@d.o>      Related projects:
: :'  :  proud Debian developer               http://debiansystem.info
`. `'`   http://people.debian.org/~madduck    http://vcs-pkg.org
  `-  Debian - when you have better things to do than fixing systems
"we should have a volleyballocracy.
 we elect a six-pack of presidents.
 each one serves until they screw up,
 at which point they rotate."
                                                      -- dennis miller

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