The kind of backup you refer to is based on the change bit (Which is reset
on restore). DMS Vtoc utility is a dataset by dataset update utility. a
physical backup &restore would solve the need to "zap" the vto and would
keep the original creation dates.

Itschak

On Tue, Apr 7, 2009 at 3:03 AM, Paul Gilmartin <[email protected]> wrote:

> On Mon, 6 Apr 2009 15:43:20 +0300, G+D+J+ B+N%  #B+J+ <[email protected]>
> wrote:
>
> >We are in the process of copying datasets from tape to disk. The users
> would like to keep the same creation dates.
> >
> How is changing the date likely to influence the backup
> process?  If a backed up version with the same DSNAME
> and a more recent timestamp exists, might the backup be
> skipped?
>
> Likewise, I noticed (long ago; it may now be different)
> that when I restored a data set from a backup copy,
> it was given the timestamp of the time of the restore.
> This would seem to cause HSM to back up the data set
> needlessly at the next cycle.
>
> I suppose there are different timestamps in many places;
> it all depends on which one the backup utility honors.
>
> -- gil
>
> ----------------------------------------------------------------------
> For IBM-MAIN subscribe / signoff / archive access instructions,
> send email to [email protected] with the message: GET IBM-MAIN INFO
> Search the archives at http://bama.ua.edu/archives/ibm-main.html
>

----------------------------------------------------------------------
For IBM-MAIN subscribe / signoff / archive access instructions,
send email to [email protected] with the message: GET IBM-MAIN INFO
Search the archives at http://bama.ua.edu/archives/ibm-main.html

Reply via email to