Reference Guide

Chapter 4 SCSI Commands
Use of DLTSage WORM Tapes
DLT-S4 Interface Reference Guide 348
Reading the DLTSage
WORM Signature
1
The DLTSage WORM signature is read using the READ ATTRIBUTE
command to read the Medium Serial Number Attribute (0x0401). The
DLTSage WORM signature consists of the drive power on hours, drive
serial number and unique media ID.
Understanding Unique
Sense Data while Using
the DLTSage WORM
Cartridge
1
Error Trying to Convert a Write Protected DLTTapeS4 to WORM
If you try to convert a Write Protected DLTTapeS4 cartridge the following
sense data is reported:
•
Sense Key — Data Protect (07)
•
Additional Sense Code — Write Protected (0x27)
•
Additional Sense Code Qualifiers — Hardware Write Protect(0x01)
Error Trying to Convert SDLT II and SDLT I Cartridge to WORM
If you try to convert an SDLT II or SDLT I cartridge to WORM, the
following sense data is reported:
•
Sense Key — Data Protect (07)
•
Additional Sense Code — Incompatible (0x30)
•
Additional Sense Code Qualifiers — Hardware Write Protect(0x01)
Append/Write Errors While Using a DLTSage WORM Tape 1
The DLTSage WORM firmware only allows appends at EOD. Any
WRITE type operation not at EOD is rejected. If a
WRITE or WRITE
FILEMARK command is attempted at a location that is not EOD, or if an
ERASE or DIAG WRITE command is received, the following sense is
reported:
•
Sense Key — Data Protect (07)
•
Additional Sense Code — Write Append Error (0x50)
•
Additional Sense Code Qualifier —DLTWorm Write Append Error
(0x95)
Errors While Creating a DLTSage WORM Tape 1
If you already have a DLTSage WORM tape and you try to convert it to a
DLTSage WORM the following sense data will be presented: