>When current uber-block A is detected to point to a corrupted on-disk data,
>how would "zpool import" (or any other tool for that matter) quickly and
>safely know that, once it found an older uber-block "B" that it points to a
>set of blocks which does not include any blocks that has since been freed
>and re-allocated and, thus, corrupted?  Eg, without scanning the entire
>on-disk structure?

Without a scrub, you mean?

Not possible, except the first few uberblocks (blocks aren't used until a 
few uberblocks later)

Casper

_______________________________________________
zfs-discuss mailing list
zfs-discuss@opensolaris.org
http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

Reply via email to