Check manual page of ibm_storage_ts.drive
IBM Tape Library: Drive Status
This check displays technical measures of the drives connected to
The measures are divided into "recovered" and "hard" (aka unrecoverable)
as well as "read" and "write".
The check status will be OK if there are no errors at all, WARN
on "recovered" errors and CRIT on unrecoverable errors.
One item per connected drive is created.