>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