During backup I have an error from tape. The kernel log shows this:

WARNING: Kernel Errors Present
[922805.453966] st 8:0:0:0: Device offlined - not ready after error recovery ...: 1 Time(s)
[922805.453988] st0: Error 80000 (driver bt ...: 1 Time(s)

The tape has disappeared from the scsi devices. rescan-scsi-bus.sh does not help, I had to restart the server, but when I start the backup the problem is the same.

Can anyone help?

Many thanks.