Re: [Networker] Utilization of Tapes
2004-07-26 00:20:10
That helps, but how would client-side created backups be cloned?
All my database and database log backups are handled that way.
I deal with Oracle, SAPdb, SQL Server, and DB2 UDB from the client side.
In these cases there is no savegroup completion. How does one identify and
clone these so automatically?
-----Original Message-----
From: Yura Pismerov [mailto:ypismerov AT tucows DOT com]
Sent: Sunday, July 25, 2004 11:31 PM
To: Legato NetWorker discussion; Eichelberger, Jon
Subject: Re: [Networker] Utilization of Tapes
Eichelberger, Jon wrote:
>Hi, Stan. Thanks.
>
>I've considered this. The issue would be to identify
>the savesets created since the last clone run because
>a volume clone would make no sense - I'd keep cloning the same
>stuff from last night and the night before, etc. if the source
>volume was not full yet. Identifying the individual savesets
>would be very critical for a saveset clone. One missed saveset
>
You won't have to identify anything if you chose automatic cloning
upon a backup group completion (select a clone pool in the group).
In this case you would have an exact copy of everything you backup.
The automatic cloning does not go by a volume, it goes by a saveset, so
your tapes in the clone pool would be utilized efficiently.
Does it make sense to you ?
>could be disastrous. I'd ultimately need to leave the original tapes as
>appendable or else I'd be in the same trouble as now, with the
>only difference that I still had the originals on site (that's good) but
>have "wasted" some tapes and tape drive availability on a clone (that's a bit
>bad).
>Backing up all night and cloning all day is not a pleasant prospect.
>Dealing with planned or unplanned downtime would be a mess. There would
>be no possibility to catch up.
>
>Maybe I don't understand exactly what you had in mind.
>
>Thanks again.
>
>Jon
>
>-----Original Message-----
>From: Stan Horwitz [mailto:stan AT temple DOT edu]
>Sent: Sunday, July 25, 2004 3:14 PM
>To: Legato NetWorker discussion; Eichelberger, Jon
>Subject: Re: [Networker] Utilization of Tapes
>
>
>
>
>On Sun, 25 Jul 2004, Eichelberger, Jon wrote:
>
>
>>So, any ideas?
>>
>>
>
>It seems to me, you might want to consider revising your off-site
>policy so that you do cloning and then send the copied tapes off
>site. You could clone several tapes to fewer cloned tapes. The
>benefits of this is that you would be sending tapes off-site that
>have more data on them and you would have the original tapes
>on-site for use in the event that a quick restore is needed.
>
>--
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>
>
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