Re: [Networker] Merits of cloning versus dual backups?
2003-04-22 13:30:23
enclosed some cloning principles we use:
1st: we backup to multiple pools
(i.e. Oracle to OraclePool, Notes to NotesPool, other to Default)
2nd: we clone all the backups to ONE clonepool
reason: we have to move not that much cartridges!
(the so called "volume cloning" is no help here,
one input tape --> one (ore two :-) output tapes)
3rd: we send cloning volumes offline (!near)
reasons: - it gives me a much better feeling to RECOVER
from verified tapes instead of sending them
offline for "disaster recovery"
(it's quite possible they never get used) but ... :-(
- there had been (?) an issue, that NetWorker
accepted the clone saveset ONLY, if the original
had been marked "suspect"
(but this seems to be gone away, if I understand this thread
correctly)
4th: we only return cartridges which have been already recycled
(i.e. mminfo -q volrecycle -q !near -r volume)
But one question seems to be still open:
Does cloning some kind of de-multiplexing or not?
Regards -sg-
--
Steffen Gattert; MOMENTUM Systech Hamburg
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