When read by a library's bar code reader, the bar code identifies the cartridge's VOLSER to the library.
The bar code tells the library whether the cartridge is a data cartridge, a WORM data cartridge, or a
cleaning cartridge. The bar code includes the two-character media-type identifier M8 or Lx, where x equals
1, 2, 3, 4, 5, 6, 7, or 8 for a data cartridge or T, U, V, W, X, or Y for a WORM cartridge. Figure 145 on page
170 shows a sample bar code label for the LTO Tape Cartridge.
Tape cartridges are ordered with the labels included or with custom labels. To order tape cartridges and
bar code labels, see “Ordering media supplies” on page 182. The bar code for usage in IBM tape libraries
must meet predefined specifications. They include (but are not limited to):
v Eight uppercase alphanumeric characters, where the last 2 characters must be M8 or Lx. See Table 45.
v Label and printing to be non-glossy.
v Nominal narrow line or space width of 0.423 mm (0.017 in.)
v Wide to narrow ratio of 2.75:1.
v Minimum bar length of 11.1 mm (0.44 in.)
Table 45. Cartridges and VOLSERs compatible with the LTO Tape Drives
Cartridges VOLSER
LTO8 Data Cartridge xxxxxxL8
LTO8 WORM Cartridge xxxxxxLY
LTO M8 Cartridge xxxxxxM8
LTO7 Data Cartridge xxxxxxL7
LTO7 WORM Cartridge xxxxxxLX
LTO6 Data Cartridge xxxxxxL6
LTO6 WORM Cartridge xxxxxxLW
LTO5 Data Cartridge xxxxxxL5
LTO5 WORM Cartridge xxxxxxLV
LTO4 Data Cartridge xxxxxxL4
LTO4 WORM Cartridge xxxxxxLU
LTO3 Data Cartridge xxxxxxL3
LTO3 WORM Cartridge xxxxxxLT
LTO2 Data Cartridge xxxxxxL2
LTO1 Data Cartridge (READ ONLY) xxxxxxL1
LTO Cleaning Cartridge CLNxxxLx
*An LTO 3 Tape Drive must have a minimum firmware level of 54xx for it to be compatible with the WORM
cartridge.
To determine the complete specifications of the bar code and the bar code label, visit the web at
http://www.ibm.com/ and enter IBM LTO Cartridge Label Specification in the search box. Or,contact
your IBM sales representative.
When a bar code label is attached to a tape cartridge, place the label only in the recessed label area (see
▌5▐ in Figure 143 on page 163). A label that extends outside of the recessed area can cause loading
problems in the drive.
Attention: Do not place any type of mark on the white space at either end of the bar code. A mark in
this area might prevent the library from reading the label.
Ultrium media 169
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