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[Networker] Selecting the first tape an nsrclone will need
2008-10-13 09:24:43
I have a perl script that runs the nsrclone command to handle our
cloning (we found we had too much tape drive contention in our
environment with the automatic cloning at the group level). However, I
have one customer set that is so far resistent to backing up to disk and
then clone to tape.
Therefore, I have a situation where (today) my normal routine to
determine which source tape to mount from the list of ssid's to be
cloned (so I can force the cloning to happen on a specific storage node)
failed to find the right tape. This is going to cause problems with
another clone job...
So, my question is: What is the best algorithm to use to determine
which ssid will be the first one NetWorker will decide to clone from a
list of ssid's. My current algorithm is picks the first tape from the
ssid that has the earliest start time. This morning, that didn't work
and NetWorker mounted a different tape -- so, obviously, my algorithm
isn't the best.
Is anyone else doing scripted cloning and using an algorithm to
pre-mount the first source tape to force where the cloning happens?
--
Frank Swasey | http://www.uvm.edu/~fcs
Sr Systems Administrator | Always remember: You are UNIQUE,
University of Vermont | just like everyone else.
"I am not young enough to know everything." - Oscar Wilde (1854-1900)
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