Normal Status Display; Media Warning - Sony DDS-4 Product Description Manual

4. OPERATION

4. 3. 4. 2 Normal Status Display

After the Diagnostic Display, when no failures are detected, the SDT-10000/SDT-11000 is in the Normal Status. The
LEDs show various Normal Status (No Error) indications as shown in the table below:
Activity
None
SCSI
Drive
Drive
None
None
SCSI
SCSI/Drive
*

4. 3. 4. 3 Media Warning

When a Media Warning threshold is exceeded the drive will indicate that the tape is bad by flashing the Tape LED. The
indicator will be on for 3.5 seconds, off for 0.5 seconds. The Busy and Status LEDs will operate normally.
If this occurs, the data on the cassette should be copied onto a new one and the old cassette discarded.
This status is cleared by unloading the cassette.
The Media Warning is displayed if any of the following conditions are met:
- More than 1 RAW rewrite per 4 groups written
- More than 1 read retry per 512 groups read
- More than 1 ECC C3 error correction per 128 groups read
Note: Media warning is calculated as an average value of 1024 groups of data (either Read or Write) 1024 Groups of
data is approximately 390 MB.
4 - 6 SONY SDT-10000/SDT-11000 DDS Tape Drive
STATE
Cartridge
None
None
Loading/Unloading
Loading/Unloading Write Protected
Loaded Cleaning Tape
Loaded
Loaded
Loaded
Loaded Write Protected
Table 4-4: Normal LED indications
Other Busy
None off
None on
None Flashing-1
Flashing-1
off
at EOM
None off
None on
None Flashing-1
*
LED
Tape Status
off off
off off
Flashing-1 off
Flashing-1 on
on Flashing-1
on off
on off
on off
on on