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..)
- Bill
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