On Tue, 4 Oct 2005, Arno Lehmann wrote:

Most certainly. The problem in this case might be to reproduce the situation - as far as I understood Tom, he didn't change the tape inventory, but the autochanger somehow lost track of the slots used. I heard that before, and, although seldom, some autochangers seem to forget their inventory from time to time.

This definitely happens if the power is cycled. Very few loaders keep stateful information about what drive-mounted tape came from which slot in such a case.

Manually moving tapes is a good way for testing the robustness of bacula / mtx-changer, though :-)

Most loaders will rescan their contents after any manual intervention, so their results will always be up to date unless there's been a power failure.

Having said that I've fooled our HP/Overland changer by opening the lid and switching tapes around, but that was desparation measures to try and unload a wedged tape and required a screwdriver - hardly day-to-day activity (periodic MTX "inventory" commands would spot this of course)

AB



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