Using AIT-3 and AIT-4 tapes in autoloader
I'm attempting to set up a rotation using the 8-slot autoloader (LIB-D81). Slots 1-5 are to be used for incremental backups with 'used' AIT-3 tapes from a previous Backup Exec version (8.6) and will be overwritten. Slot 6 is to be used with an AIT-4 tape for weekly full backups. Slot 8 has an AIT-4 cleaning tape. The backup exec 10d program fails when attempting to do anything with an AIT-3 tape (import, inventory, label media, etc). Any operation with an AIT-4 tape works fine. I've attempted this with and without partitioning.
When the autoloader was first set up, AIT-4 drives were placed in every slot and labeled. I'm trying to find a use for the stockpile of AIT-3 tapes I have from the past and the daily incrementals would a good use for these.
Furthermore, along with the backup exec failures the autoloader reports error messages as well (only with AIT-3 tapes). I'm assuming this is because an AIT-3 is in the internal drive and BE is trying to use an AIT-4 format to write to it.
This question is really geared to anyone who has attempted (successfully or otherwise) using AIT-3 and AIT-4 tapes at the same time in an autoloader.
Any help would be greatly appreciated.