On Tue, Nov 10, 2009 at 2:40 PM, BJ Quinn <bjqu...@seidal.com> wrote:
> Say I end up with a handful of unrecoverable bad blocks that just so happen > to be referenced by ALL of my snapshots (in some file that's been around > forever). Say I don't care about the file or two in which the bad blocks > exist. Is there any way to purge those blocks from the pool (and all > snapshots) without having to restore the whole pool from backup? > No. The whole point of a snapshot is to keep a consistent on-disk state from a certain point in time. I'm not entirely sure how you managed to corrupt blocks that are part of an existing snapshot though, as they'd be read-only. The only way that should even be able to happen is if you took a snapshot after the blocks were already corrupted. Any new writes would be allocated from new blocks. --Tim
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