On Fri, October 29, 2010 10:00, Eric Schrock wrote: > > On Oct 29, 2010, at 9:21 AM, Jesus Cea wrote: > >> When a file is deleted, its block are freed, and that situation is >> committed in the next txg. Fine. Now those blocks are free, and can be >> used in new block requests. Now new requests come and the (now free) >> blocks are reused for new data. > > ZFS will not reuse blocks for 3 transaction groups. This is why uberblock > rollback will do normally only attempt a rollback of up to two previous > txgs.
Just curious: is is run-time tunable, or hard-coded in at compile time? _______________________________________________ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss
