On 07/29/10 07:41 AM, sol wrote:
Hi
Having just done a scrub of a mirror I've lost a file and I'm curious how this
can happen in a mirror. Doesn't it require the almost impossible scenario
of exactly the same sector being trashed on both disks? However the
zpool status shows checksum errors not I/O errors and I'm not sure what
that means in this case.
I thought that a zfs mirror would be the "ultimate" in protection but it's not!
Any ideas why and how to protect against this in the future?
Bad memory? Use ECC memory and test it.
--
Ian.
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