This is the current setup:-
We have a server 2003 std hosting two VMware images (also both server 2003 std) on VMware server 2.0. Connected to the host is a SAS LTO4 tape drive (Dell) and it is installed correctly and working on the VM images. We have performed a test restore on one of the VM images using a LTO3 tape and it restored with no problems. we then tried to restore to the other VM image using an LTO4 tape. NTbackup recognizes the device and it sees there is a tape in the drive but when we try to mount it it comes up with an error saying that it cannot find the tape and when we check the drive, the tape has indeed been ejected.
We have contacted Dell who say it is a software issue but we can't find any reason why this is happening with the LTO4 tape in an LTO4 drive!
Any help would be hugely appreciated.