Question on ZFS and redundancy
Bob Friesenhahn
bfriesen at simple.dallas.tx.us
Fri Sep 7 00:12:39 UTC 2012
On Thu, 6 Sep 2012, Andy Young wrote:
>
> Now with ZFS and raidz2 I love the fact that I can use a single pool to
> spread data across multiple vdevs. However, the vdevs aren't independent
> anymore right? Because ZFS stripes data across the vdevs, if I lose three
> drives in a single vdev, doesn't this put the entire pool at risk?
Yes. It is a bigger basket. If you need a stronger basket, consider
raidz3 and/or pay close attention to the physical layout and
connectivity of the drives so that there is the least opportunity for
the drives to share the same problem.
Bob
--
Bob Friesenhahn
bfriesen at simple.dallas.tx.us, http://www.simplesystems.org/users/bfriesen/
GraphicsMagick Maintainer, http://www.GraphicsMagick.org/
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