What a pain huh? I believe you're right, you don't have the control over the
ssid order when you issue nsrclone with a file. But I think if you say savetime
< 21 days ago in your mminfo, the first run will grab everything between 21
days and today that copies = 1 (no clone of it yet), and copy it to tape. If
you run this daily, after the first run, the only savasets that will match will
be todays backups.
If what you really want is just ssids that are 21 days or older, I believe
you'll need to use savetime > 20 days ago. Note: greater than not less than.
However you create your ssid file, you can have better clone control by
stepping through the file once it's sorted to your liking.
One alternative is to use a for loop to step through the file:
for SSID in $FILE
do
nohup nsrclone -b "$POOL" -y "$RETENTION" -J "$NODE" -S $SSID&
done
There are obvious inefficiencies in this approach though. You'll need to test
this one out.
You could also approach this in your mminfo command. You could report on ssids
that copies=1 and savetime >20 days ago, dump into a file, and run nsrclone on
the file. Then do this for 19 days ago, and 18... this would limit you to 20
nsrclone commands or so.
If you wanted, you could decrease the number of nsrclone commands by increasing
the granularity in the mminfo command. Run the mminfo command for copies=1 and
savetime > 21 days ago,dump into a file, and run nsrclone on the file. Then do
this for copies=1 and savetime > 14 days ago, copies=1 and savetime > 7 days
ago... This would limit you to 3 or 4 nsrclone commands.
Not the prettiest code but it should work. I am pretty sure that if you use the
< symbol, that will match all ssid between today and 21 days ago. after the
first run, the only ssids that will match will be today's, if run daily. All
other savesets will have already been cloned.
-James Brissenden
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