Matthew,

You should set your jukebox parallelism value to
"Amount of drive -1" (as per default) from Jukebox
Windows, hidden attributes. Set such
a way, a device is always idle.

HTH,

Thierry


Kind regards - Bien cordialement - Vriendelijke groeten,

Thierry FAIDHERBE

HPCI - Storage & Server Integration Practice 
Tru64 Unix and Legato EBS Consultant
                                   
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-----Original Message-----
From: Matthew Braithwaite [mailto:mab AT CNET DOT COM] 
Sent: Friday, March 14, 2003 10:14 PM
To: NETWORKER AT LISTMAIL.TEMPLE DOT EDU
Subject: [Networker] How to reserve a drive in a jukebox?


Is there a way to do one of the following?

  (a) Tell Networker to surrender a drive at the next available
  opportunity?  By surrender, I mean something like ``do not use the
  drive for any operation except one that I start by hand''.

  (b) Tell Networker not to use a drive at all, except for certain
  purposes -- mainly inventories and restores.

The problem I'm trying to solve is that all N drives in our jukebox
are busy constantly.  We could still get all our backups done with N-1
drives, though: the server is network-bandwidth constrained, rather
than tape-bandwidth constrained.  So we'd like to have a drive sitting
idle for the occasional restore and for jukebox inventories (which
require a free drive, even if that drive is never needed to read a
label).

We're using Networker 5.5.1 on Solaris 7, and a Sun L1000 four-drive,
30-slot DLT jukebox.

TIA for any help.

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