Networker

Re: [Networker] What's the best way to clone old tapes (DLT) onto the new media?

2004-11-03 19:57:42
Subject: Re: [Networker] What's the best way to clone old tapes (DLT) onto the new media?
From: "G.V." <g_vas_66 AT YAHOO.COM DOT AU>
To: NETWORKER AT LISTMAIL.TEMPLE DOT EDU
Date: Thu, 4 Nov 2004 11:56:55 +1100
Thanks Darren

I tried this command. I am getting the following error:

Automatically copying save sets(s) to other volume(s)
Starting cloning operation...
nsrclone: error, bad first fragment
nsrclone: Cannot open nsrclone session with NWserver2 nsrclone: Failed to clone 
any save sets

The tape should be OK as I was able to scanner it before.


Darren Dunham <ddunham AT TAOS DOT COM> wrote:
>
> Darren,
>
> Can I clone the whole lot ,say from ABC001, with:
> nsrclone -b "Clone" ABC001 ?

Assuming ABC001 is a volume, yes. The behavior of what happens with
savesets that span volumes depends on the version of networker.

Older versions will clone the saveset (possibly requiring other source
volumes) regardless of how much is on the volume.

Newer versions will only clone the saveset if it begins on the volume.
(That way if you clone multiple volumes, you don't end up cloning the
same saveset multiple times).

I can't recall which version made the change.

> I'd like to move all the save sets.
> Otherwise I'd need to write a loop
> foreach SID in `list`
> do
> nsrclone -S ....
> done
> I guess it will take longer.

I don't think it would take much longer, but it may depend on whether
the source volumes are multiplexed.

You can also provide nsrclone with multiple savesets on the same line.
That method and volume clones should keep the multiplex on the clone.
If you do lots of individual nsrclones (one saveset per), then you'll
demultiplex them. That can take a long time in some cases (but may be
something you want to do).




--
Darren Dunham ddunham AT taos DOT com
Senior Technical Consultant TAOS http://www.taos.com/
Got some Dr Pepper? San Francisco, CA bay area
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