Time estimation of an object restore from tapes

285 pts.
Tags:
AS/400
Storage
Tape backup
As part of our daily data processing, we often restore the data from tapes. while restoring from tapes, we used to submit the restore process a batch to increase speed of restore processing. But if the save file (what we are restoring) is very big we need to keep monitor the job to know the restore is completed. It is time taking and some times some of the jobs are formatted to monitor. Here my idea is, " is there any way to measure these:
  1. Total size of restore
  2. Transfer rate
  3. Size of currently downloaded data
If I get the above values, I can write a program to get the actual ETA of particular restore. So please advice, are there any commands or processed to achieve my idea?


Software/Hardware used:
as400
0

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  • CharlieBrowne
    It is a bit more complex that that.
    Do you save the access paths?
    You can restore a very large PF that is not keyed and has no LFs much faster that a file half the size and has many access paths to rebuild.
    Also a multi member file takes longer that a single member file where the total number of records is the same.in both files.
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