With mpex we used to send a command like devcontrol 8;online to remotely
turn a tape drive online . Don't know whetgher mpex can send similar
commands to switch tapes.
-----Original Message-----
From: HP-3000 Systems Discussion [mailto:[log in to unmask]] On
Behalf Of John Pitman
Sent: 28 January 2010 22:59
To: [log in to unmask]
Subject: Re: [HP3000-L] dat72 autoloader
Giles,
Once we have loaded the first tape, we don't touch the drive until we
need to unload a tape from it. From then on its an autoloader - we fill
it for long weekends, Easter etc and away we go. The obvious advantage
is unattended scheduled backups all work, and if a tape is faulty, its
unloaded and backup moves on to next tape, and doesn't get hung for lack
of a tape.
Regards,
John Pitman
-----Original Message-----
From: Gilles Schipper [mailto:[log in to unmask]]
Sent: Friday, 29 January 2010 9:26 AM
To: John Pitman; [log in to unmask]
Subject: Re: [HP3000-L] dat72 autoloader
I've tried that, but unable to coax the drive to go online.
The only way I can put the drive online is by pressing various
buttons on the front panel of the unit.
Kinda makes the "autoloader" part of this unit pretty useless.
I'm thinking there must be a dip switch setting that needs to be
changed.
At 05:05 PM 2010-01-28, John Pitman wrote:
>No experience of that make/model, but -
>
>We have a HP dat 40x6 autoloader (8 tape magazine), and its
>configured like this in sysgen:-
>LDEV: 777 DEVNAME: OUTDEV: 0 MODE:
R
> ID: DDSAUTO RSIZE: 128 DEVTYPE:
TAPE
> PATH: 0/0/1/0.5.0 MPETYPE: 24
MPESUBTYPE: 7
>CLASS: TAPE
>
>AND we do this in sysstart:-
>
>devctrl 777,enable,enable
>
>The parms available are compress, eject, and load - we have not
>specified load in the above - check help devctrl for options.
>It always loads next tape on end of a backup, EVEN though SHOWDEV
>does not show a tape at ready - maybe because we are not setting
>Load to online? Its showing two leds (ready) now after last nights
>backup , but showdev gives AVAIL.
>
>If a tape gives an error I think it moves on to the next one. In
>this mode (eject=enable), I cant get my programmatic bring on line to
work.
>
>We also have a dds 3 single drive on the traditional ldev 7. We set
>this to Eject= disable, as this allows for doing a store, and
>programmatically putting the tape back on line remotely - avoids
>having to be on site to do backup & restore.
>
>
>Regards,
>
>John Pitman
>-----Original Message-----
>From: HP-3000 Systems Discussion [mailto:[log in to unmask]] On
>Behalf Of Gilles Schipper
>Sent: Friday, 29 January 2010 8:35 AM
>To: [log in to unmask]
>Subject: [HP3000-L] dat72 autoloader
>
>I have a Certance DAT72 autoloader, model no. CDL 432 configured on
>an HP3000 and have no problems reading from and writing to the unit.
>
>What I am having difficulty with is trying to automatically load the
>next tape from the 6-slot magazine.
>
>Trying the DEVCTRL.MPEXL.TELESUP command with varying parameter
>values has not been fruitful. (Specifically, DEVCTRL.MPEXL.TELESUP 8
>EJECT=ENABLE LOAD=ONLINE)
>
>Also, looking at the dip switches available do not appear to offer
>any obvious solutions there (I don't see a switch associated with the
>stacker or random mode operation).
>
>Does anyone have any experience with this model of autoloader or any
>suggestions as to how I can configure it so I can issue a command to
>load the next tape in the magazine ?
>
>Thanks.
>
>
>
>
>-----------------------------------------------------------------------
--------------------------
>Gilles Schipper
>GSA Inc.
>HP System Administration Specialists
>300 John Street, Box 87651 Thornhill, ON Canada L3T 7R4
>Voice: 416.702.7900 Fax: 905.889.3001
>email: [log in to unmask] web: http://www.gsainc.com
>-----------------------------------------------------------------------
--------------------------
>
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------------------------------------------------------------------------
-------------------------
Gilles Schipper
GSA Inc.
HP System Administration Specialists
300 John Street, Box 87651 Thornhill, ON Canada L3T 7R4
Voice: 416.702.7900 Fax: 905.889.3001
email: [log in to unmask] web: http://www.gsainc.com
------------------------------------------------------------------------
-------------------------
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this message is prohibited. If you have received this message in error
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