>On Sun, 2006-07-16 at 15:21, Darren J Moffat wrote: >> Jeff Victor wrote: >> > Why? Is the 'data is encrypted' flag only stored in filesystem >> > metadata, or is that flag stored in each data block? >> >> Like compression and which checksum algorithm it will be stored in >> every dmu object. > >I thought the compression alg was stored in the block pointer. IMHO you >need at least a few bits of key version number in the block pointer to >do graceful key roll-over (you don't need an alg id in the bp since that >can be stored with the key..)
So how many of the 128 bits of the blockpointer are used for things other than to point where the block is? Casper _______________________________________________ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss