Il 05/11/2016 11:45, Lindsay Mathieson ha scritto:
Six of one, half a dozen of the other. With RAIDZ10 I can lose one
disk, maybe two without losing the brick. Replacing the disk is very
easy and fast.
Resilvering one disk in a raid10 set is a lot quicker and less impact
than resyncing a brick via the network.
Ok, I wasn't clear enough.
Do you have a single RAIDZ10 or multiple RAIDZ1 ?
In a single RAIDZ10, if you totally loose a mirror (thus, both disks
from the same RAIDZ1 set), you loose the whole RAID10.
As you are using Gluster, is much better to use multiple RAIDZ1, each
set as a single bricks. Gluster will aggregate space, so
you'll get the same space as a single RAIDZ10, but in case of a mirror
failure, you have to recover only that single mirror.
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