Unloading Autoloader Magazines
mjacob at feral.com
Thu Mar 4 14:00:55 PST 2004
* From the T10 Reflector (t10 at t10.org), posted by:
* Matthew Jacob <mjacob at feral.com>
To which standards would this be pertinent to?
An eject only causes a media movmement action in changers that
automatically retrieve ejected media to place in a storage element.
A Load/Unload affects the contained DT element (tape drive)- it doesn't
really *necessarily* have any bearing on the media changer at all.
On Thu, 4 Mar 2004 Dennis.W.Painter at certance.com wrote:
> * From the T10 Reflector (t10 at t10.org), posted by:
> * Dennis.W.Painter at certance.com
> A number of backup applications use the Load Unload command issued to LUN 1
> to direct ejection of the magazine in our Autoloader.
> I looked in the standards for language supporting the use of the Load
> Unload command to direct ejection of a magazine from a tape autoloader. It
> doesn't seem like anything in SSC or SMC specifically addresses this issue.
> This becomes more of an issue in attached media changers, where one device
> server processes SSC and SMC commands. A possible solution would be adding
> an optional bit to Load Unload to specify unloading the medium or the
> It seems to me that this should be specified in the standards and I wonder
> if I missed something, and if not, if there would be support to formalize
> the command to specify ejecting autoloader magazines.
> Dennis Painter
> dennis.painter at certance.com
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