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TEST UNIT READY
Table 102. TEST UNIT READY Command
76543210
0 Operation Code (00h)
1 Logical Unit Number (0) Reserved
2 Reserved
3 Reserved
4 Reserved
5 Control
The TEST UNIT READY command returns Good status if a cartridge is loaded and
ready.
VERIFY
Table 103. VERIFY Command
76543210
0 Operation Code (13h)
1 Logical Unit Number (0) Reserved Immed(0) BCmp(0) Fixed
2
:
4
Verification Length
5 Control
The VERIFY command is supported by all drives.
The VERIFY command causes data to be read from the tape and passed through
the drives error detection and correction hardware to determine whether it can be
recovered from the tape. The amount of data to be read is indicated by the
Verification Length field and the Fixed flag in the same manner as is used in a
READ command. (See READ on page 42.)
The Immed and BCmp flags are not supported and must be set to 0.
82 Ultrium Internal Tape Drive and 3580 Ultrium Tape Drive: SCSI Reference