Hi list,
A quickie one : when migrating multiple nodes data from non-collocated disk
pool to collocated tape pool, using migproc=2, in which order will data be
migrated ?
1) node 1 data on 2 different tapes, then node 2 data on 2 different tapes etc
....
2) node 1 data on one tape and node 2 data on another tape, then node 3 data on
another tape etc ....
I would tend to say 1) is the right response, as the order of nodes processed
is per largest amount of data in the disk storage pool, but wanted to make it
sure ...
If my assumption is right, is there any way achieving parallel mounts for
nodes migration (option 2) instead of serial mounts (option 1) ? This would
avoid waste of tapes (2 tapes created for 1 node migrated, in a collocated pool
looks strange to me), and also from time (tape reclamation will probably
recombine those tapes to a new one after a while)
Thanks in advance !
Regards.
Arnaud
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| Arnaud Brion, Panalpina Management Ltd., IT Group |
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