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rahulbank
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Joined: 25 Sep 2008
Posts: 66
Location: Bengaluruuuuuu
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Consider this scenario:
A HSM ML2 tape(A) has an alternate(which was created during duplexing), now another tape which is getting recycled CAN it use this tape A as the output tape. I am asking this because I have had a belief that when a tape has an alternate you cannot use it as output for recycle. But I faced a sev 3 some days back where I believe the tape A was being used as o/p and since then i have been confused [ ]. |
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expat
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Joined: 14 Mar 2007
Posts: 8797
Location: Welsh Wales
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| No reason for the tape not to be used as output for a recycle. |
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rahulbank
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Joined: 25 Sep 2008
Posts: 66
Location: Bengaluruuuuuu
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Then what abt the alternate how will that be created will the data be replicated on the alternate original tape as well??
Please xplain. |
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expat
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Location: Welsh Wales
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Depends on your HSM setup - do you use duplex processing where the alternate is updated in parallel to the primaray or do you use the manual copy process to copy volumes ?
If you use parallel duplex - no problems, it is an automatic process. As the primary gets updated so does the alternate.
Having never used the manual copy process, I can not tell you what happens in this case, but the manual can. |
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rahulbank
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Joined: 25 Sep 2008
Posts: 66
Location: Bengaluruuuuuu
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Yes we have duplexing and I was not aware of this automatic updation. Thanks fot the reply. I Learnt something new[ ] |
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