Someone there may be getting confused.

The IBM DS8300 is a virtual tape system.  It can work standalone as a disk 
based VTS or, in conjunction with the robotics side to make it a tape based VTS 
system (with a very large disk cache).

Then, there is the IBM TS1120.  These are real tape drives (not virtual).

So, if your VM system can get access to your IBM TS1120 drives, just backup to 
them for off site storage.
If you can only get access to the virtual tapes, then backup to a virtual tape 
and, on a system that has access to the IBM TS1120, do a tape copy from the 
virtual tape located in the IBM DS8300 to a real tape mounted in the IBM TS1120.

The IBM TS1120 drives support hardware encryption.  That is great.  However, in 
a disaster recovery situation, it may not be so great.  Until you get the 
disaster recovery tested with encryption, you may want to create your VM 
recovery tapes, without encryption enabled.

With the VTS, you do have to execute some code to tell the VTS what tape you 
want.  VMTAPE should be able to handle this.

Tom Duerbusch
THD Consulting

Law of Cat Obstruction

  A cat must lay on the floor in such a position to obstruct the
  maximum amount of human foot traffic.



>>> "Smith, Ann (ISD, IT)" <[EMAIL PROTECTED]> 3/24/2008 1:41 PM >>>
We are running zVM 5.2 and currently still have manual 3490 tape drives.
We may soon be getting an IBM DS8300 (shared with zOS)  with TS1120
virtual tape.
We have 5 VM systems with separate VMTAPE catalogs.
They currently do not have any native physical tape drives planned for
the VM systems.
We normally do maintenance on 1 VM system and use DDR and SPXTAPE to
propogate to the other VM systems.
Is anyone familiar with using virtual tape with DDR and SPXTAPE?
Can I just VMTAPE mount the virtual tape as a FOREIGN tape and be able
to do DDR restore and/or SPXTAPE load? 
I am also wondering about how to do SPXTAPE's for DR.
Any suggestions would be appreciated.

Ann Smith
Mainframe Systems Support -zVM and zLinux Support
Integrated Technology Delivery
IBM Global Service Integrated Operations At The Hartford 
Work phone: 860-547-6110
Pager: 800-204-6367
Email: mailto:[EMAIL PROTECTED] 





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