zfs checksums on non-raidz
Bob Friesenhahn
bfriesen at simple.dallas.tx.us
Wed Feb 8 19:26:34 UTC 2012
On Wed, 8 Feb 2012, Tom Vier wrote:
> In mirror and single dev zpools, are data and metadata still checksummed, or
> only when using raidz?
Checksums are done at the decoded/reassembled filesystem block level
(e.g. 128K) so they are performed regardless of the underlying storage
topology or compression used. Checksums are still in effect even if
there is no data redundancy.
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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