RCLSTG – estimate on how long it might take

220 pts.
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AS/400 backup and recovery
RCLSTG
After an unplanned power off event (long story) I am advised to run a full RCLSTG on my largest partition, which has about 5.5 TB storage and several million objects. I have only ever run RCLSTG(*DBXREF) and am wary of running RCLSTG itself to get the estimate. Any thoughts on what parameters I can use to estimate how long this might take? Thank you.

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Specify *YES for the ESTIMATE parm to get an estimate of how long the RCLSTG command will run. When ESTIMATE(*YES) is specified, messages that show the estimated amount of time are sent to the job log, and no reclaim function is performed.

To display how long the previous RCLSTG took to complete, type the following on the command line:
DSPDTAARA DTAARA(QRCLSTG)

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  • CarterC19
    Thank you for chiming in. One of the obstacles I face is that I have *never* run a full RCLSTG in this partition (I know, I know, shame on me, but the windows aren't usually there) so the tool itself won't estimate based upon its prior experience. I have to find some other way to make an educated guess on how long this could conceivably take. I wonder things like, if the number of damaged objects you have (I have about a dozen) impacts it, how many things in all you have, and the like. I know I could find the damaged objects with a fill option 21 save, but the last one of those I did took 3/4 of a day , I have much more 'stuff' now and I won't be seeing a window like that anytime soon.
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  • pdraebel
    Hey Carter21, you could try to do a DSPOBJD to an outfile. The outfile has a field on it that shows if an object was damaged.
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  • CarterC19
    Sounds like an excellent suggestion! Will give that a go, right now. Thank you. Carter
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  • CarterC19
    Thanks again for the suggestion of DSPOBJD to a file to check for damaged objects. Was just the ticket. Now, on to the other partitions....Carter
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