Unloading Autoloader Magazines

[Tim Jones]

* From the T10 Reflector (t10 at t10.org), posted by:
* Tim Jones <tjmac at tolisgroup.com>
*
Let me just add an ISV's $.02 - it would be very handy to have a  
standard for this operation.  The fewer VU options that we must take  
into account when developing software, the less opportunity for end  
user frustration caused by incorrect or missing functionality.

Tim
--
Tim Jones				tjmac at tolisgroup.com


On Mar 5, 2004, at 3:08 PM, Dennis.W.Painter at certance.com wrote:

> * From the T10 Reflector (t10 at t10.org), posted by:
> * Dennis.W.Painter at certance.com
> *
>
> Yes, that is what we currently do. Typically the ISVs will  unload the  
> tape
> with a Move Medium command instead of Unload.
>
> Tim Jones posted that HP's DAT autoloaders use byte five, bit seven of  
> the
> Load/Unload command to direct ejecting the magazine. (Control byte bits
> seven and six are VU)
>
> None of this is standard, the reason I posted in the first place. Since
> it's being done it would be nice if it was standard.
>
> Dennis Painter
> Certance
> dennis.painter at certance.com
> 714-641-2564
>
>
>
> |---------+---------------------------->
> |         |           Gerry.Houlder at sea|
> |         |           gate.com         |
> |         |           Sent by:         |
> |         |           owner-t10 at t10.org|
> |         |                            |
> |         |                            |
> |         |           03/05/2004 11:31 |
> |         |           AM               |
> |         |                            |
> |---------+---------------------------->
>> ---------------------------------------------------------------------- 
>> ----------------------------------------|
>   |                                                                     
>                                           |
>   |       To:       t10 at t10.org                                         
>                                           |
>   |       cc:                                                           
>                                           |
>   |       Subject:  RE: Unloading Autoloader Magazines                  
>                                           |
>> ---------------------------------------------------------------------- 
>> ----------------------------------------|
>
>
>
>
> * From the T10 Reflector (t10 at t10.org), posted by:
> * Gerry.Houlder at seagate.com
> *
>
> I had another silly question about your autoloader implementation. How  
> do
> you differentiate between unloading a tape and ejecting the entire
> magazine? Is this by sending the Unload command to LUN 0 to unload a  
> tape
> and sending the command to LUN 1 to unload the entire magazine?
>
>
>
>
>                       Dennis.W.Painter at c
>
>                       ertance.com               To:
> michael.banther at hp.com
>                       Sent by:                  cc:       T10 at t10.org
>
>                       owner-t10 at t10.org         Subject:  RE: Unloading
> Autoloader Magazines
>                       714-641-2564
>
>
>                       03/05/2004 10:58
>
>                       AM
>
>
>
>
>
>
>
> * From the T10 Reflector (t10 at t10.org), posted by:
> * Dennis.W.Painter at certance.com
> *
>
> Hi Michael,
>
> Yes. Our DAT autoloader has a single SCSI port. LUN 0 is the tape  
> drive and
> LUN 1 is the media changer.
>
> We have implemented magazine eject using the SSC Unload command  
> directed to
> LUN 1 (the media change) This is obviously not per standards hence my  
> query
> about adding some standard method of ejecting magazines via a SCSI  
> command.
>
> Dennis Painter
> Certance
> dennis.painter at certance.com
> 714-641-2564
>
>
>
>
> *
> * For T10 Reflector information, send a message with
> * 'info t10' (no quotes) in the message body to majordomo at t10.org
>
>
>
>
>
> *
> * For T10 Reflector information, send a message with
> * 'info t10' (no quotes) in the message body to majordomo at t10.org
>

*
* For T10 Reflector information, send a message with
* 'info t10' (no quotes) in the message body to majordomo at t10.org