Paul G. Allen wrote:
No matter what safeguards are put in place, no file system is ever going
to be 100% safe from corruption from a power interruption.
Define "corruption".
The ZFS stuff really is safe from filesystem corruption. The last thing
written to disk is the checksum for the transaction. If the checksum
doesn't hold, the transaction is considered erroneous and ignored.
Yes, you can still lose new data in actively open files, but you will
not lose the integrity of the filesystem, ever. And you should never
lose an existing file that has already reached checksum complete.
That is a architectural design decision, and failures in that get filed
as major bugs.
-a
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