On Sat, 27 Mar 2010, Harry Putnam wrote:

What to do with a status report like the one included below?

What does it mean to have an unrecoverable error but no data errors?

I think that this summary means that the zfs scrub did not encounter any reported read/write errors from the disks, but on one of the disks, 7 of the returned blocks had a computed checksum error. This could be a problem with the data that the disk previously wrote. Perhaps there was an undetected data transfer error, the drive firmware glitched, the drive experienced a cache memory glitch, or the drive wrote/read data from the wrong track.

If you clear the error information, make sure you keep a record of it in case it happens again.

Bob
--
Bob Friesenhahn
bfrie...@simple.dallas.tx.us, http://www.simplesystems.org/users/bfriesen/
GraphicsMagick Maintainer,    http://www.GraphicsMagick.org/
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