At 10:28 -0400 on 07/28/2008, Richards, Robert B. wrote about Re: HSM Recalls:
Am I missing something? You stated that you didn't agree with me and then proceeded to agree with my premise. Stated another way: "Only migrate when you need more free space in your volume pools. Otherwise, leave it there".
If you add "Last Use" dates in there you can level off your migration load since you free up space when there is no need to keep the dataset on DASD instead of waiting for a Free Space crisis and then doing mass migrations (ie: you regain free space sooner this way so your average is higher and thus there is a lower need to go into panic mode). Also if you know your usage pattern (such as a dataset this is only accessed/needed once a month/quarter), you can flush it out once you're done with it for the period and restore it as the start of the new period approaches).
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