Re: [Networker] DLT IV retension and life cycle

Uwe,

You can do it using nsrjb to load/unload tape.
Add -n (for no mount volume after loading) to nsrjb load command.
Offline the tape using mt -f <dev> offline before using
nsrjb -u for unloading the media back to slot.

Ps : NetWorker is not notified that this volume has been loaded
so it may cause volume request troubles ....

HTH,

Thierry 





Kind regards - Bien cordialement - Vriendelijke groeten,

Thierry FAIDHERBE

HP Services - Storage Division
Tru64 Unix and Legato EBS Consultant
                                   
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-----Original Message-----
From: Legato NetWorker discussion [mailto:NETWORKER AT LISTMAIL.TEMPLE DOT EDU]
On Behalf Of Uwe Weber
Sent: Wednesday, March 31, 2004 10:00 PM
To: NETWORKER AT LISTMAIL.TEMPLE DOT EDU
Subject: [Networker] DLT IV retension and life cycle

Hi all,

I am 'advised' to re-tension ( as in 'mt -f /dev/rmt retension' )
my DLT IV (DLT 8000) tapes every six months, but I doubt whether
this is really necessary. Any hints?

If I really have to do it, how do I do it through Networker?
I know about cdi_load_unload -r, but how can I do it for all
the tapes in a jukebox?

And a last question: How long can I savely archive data
on an DLT IV tape before I have to refresh it by cloning it's
contents to another media? How long can I operate one in the
normal backup cycle. The vendor recomendation of 1.000.000
head passes is not really practical.

TIA and regards,
uwe

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