active and inactive versions
1995-08-31 11:52:26
> Maybe someone can answer my question:
> How does ADSM store active and inactive versions of a file?
> Does ADSM keep those versions on different volumes (disks and/or tapes) or
> can it happen that all backup versions of a file are stored on the same
> volume?
> /* Baerbel Himpfen */
> /* Regionales Hochschulrechenzentrum E-Mail: HIMPFEN AT Uni-Bonn DOT De */
> /* der Universit{t Bonn Phone : +49 228 73-3127 */
> /* Wegelerstr. 6 Fax : +49 228 73-2743 */
> /* 53115 Bonn, Germany */
ADSM makes no attempt to segregate active and inactive versions on
separate volumes. To do so could require file movement whenever a
file's status is changed from active to inactive. If you are
concerned about the possibility of losing a volume on which all
copies of a file are stored, ADSM Version 2 provides a storage
pool backup function that allows files to be duplicated in more
than one storage pool.
Dave Cannon
ADSM Development
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