Real tapes in a tape robot do not change in the BCS if they are cataloged and the tape catalog (TMC, VMF, whatever your TMS calls your
tape catalog) does not change because the dataset does not change tape volumes. If you are restoring in-sync backups of your BCS and TMC then you should be all right at the DR site. You may be thinking of ejecting tapes from the tape robot but that does not effect the BCS. The ejection process may adjust some information in the TMC as far an any robotic location information is concerned but that would not force you to do anything special at the DR site to make the tape usable. For HSM tapes, if you are restoring your HSM CDSs then you should be good to go.
Virtual tapes are a little different story. How you externalize the virtual
tape dataset would have an effect on what you need to do at the DR site. If
you move the virtual tape dataset to a real tape then the BCS, TMC and HSM CDSs
should be kept in-sync by that process and you would not have any special setup
issues at the DR site. If you are making an uncataloged copy of a cataloged
tape dataset then you would need to recatalog it in the restored BCS at the DR
site if you plan to use catalog management for allocating the tape dataset. If
you're intention is to move the tape dataset into a virtual environment at the
DR site then you would need to move the tape dataset from the real tape to the
new virtual box before you can use it. Once again, the tape restoration
procedure you use should keep the BCS and TMC in-sync. As for making and using
a DR copy of a virtual HSM tape and the attendant issues involved with that,
well, someone else would need to help you answer that because I'm not an HSM
administrator.
Dee Shrier
Dino-Software Corporation
1-800-480-3466
(1-800-480-DINO)
www.dino-software.com
Daniel A. McLaughlin wrote:
We recently moved our ATL into production and are doing DR and HSM
activity inside. I vaguely remember from a past life that tapes assigned to
the ATL have to be disconnected or exported from the tape/catalog before
being used outside, such as at DR where we have no ATL?
Would someone be able to confirm that or tell me where I might find more info?
Much appreciated.
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