On Wed, Aug 12, 2009 at 6:49 PM, Mattias Pantzare<pant...@ludd.ltu.se> wrote:
>>>> It would be nice if ZFS had something similar to VxFS File Change Log.
>>>> This feature is very useful for incremental backups and other
>>>> directory walkers, providing they support FCL.
>>>
>>> I think this tangent deserves its own thread.  :)
>>>
>>> To save a trip to google...
>>>
>>> http://sfdoccentral.symantec.com/sf/5.0MP3/linux/manpages/vxfs/man1m/fcladm.html
>>>
>>> This functionality would come in very handy.  It would seem that it
>>> isn't too big of a deal to identify the files that changed, as this
>>> type of data is already presented via "zpool status -v" when
>>> corruption is detected.
>>>
>>> http://docs.sun.com/app/docs/doc/819-5461/gbctx?a=view
>>
>> In fact ZFS has a good transaction log, maybe the issue is there isn't
>> software out there yet that uses it.
>
> Where is that log? ZIL does not log all transactions and is cleared
> very quickly.

Isn't the txg tags recorded during the block updates in ZFS?

-Ross
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