Re: Opt 21 Restore

On 11/7/2014 12:50 PM, CRPence wrote:

Huh. I though I had read somewhere that GO RESTORE option-21 was
modified to include a Defer Identifier to handle [many of] those issues;
beyond just for the BRMS equivalent, similarly to enable the restore to
complete with only one pass of the media. But now, looking at a doc
link showing what the option-21 performs, there is no mention of either
Defer Identifier (DFRID) or Restore Deferred Objects (RSTDFROBJ) being
performed.? I wonder if that doc was not updated, or if I mis-remember
about a change having been made to that feature.?

You are correct that with i 6.1 the DEFER feature was added and it seems better in 7.1. It will handle the cross library logical stuff quite well. Originally it was stated that this support required that the save originate from i 6.1 or newer but it seems recently that I have in fact restored a full save from an i 5.4 system to an i 7.1 system and the DEFER worked as desired. It makes sense to me that this SHOULD work as it's a 'look back' function rather than a 'look ahead' the latter of course would require additional stuff on the media.

I do not believe that the DEFER function handles journals that are out of sequence however, just SQL and logical files.

- Larry "DrFranken" Bolhuis

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