Attention: Do not place any type of mark on the white space at either end of the
bar code. A mark in this area may prevent the library from reading the label.
Guidelines for Using Bar Code Labels
Apply the following guidelines whenever using bar code labels:
v Use only IBM-approved bar code labels on cartridges to be used in an IBM tape
library.
v Do not reuse a label or reapply a used label over an existing label.
v Before you apply a new label, remove the old label by slowly pulling it at a
right angle to the cartridge case.
v Use peel-clean labels that do not leave a residue after being removed. If there is
glue residue on the cartridge, remove it by gently rubbing it with your finger.
Do not use a sharp object, water, or a chemical to clean the label area.
v Examine the label before applying it to the cartridge. Do not use the label if it
has voids or smears in the printed characters or bar code (a library's inventory
operation will take much longer if the bar code label is not readable).
v Remove the label from the label sheet carefully. Do not stretch the label or cause
the edges to curl.
v Position the label within the recessed label area (see 5 in Figure D-3 on page
D-6).
v With light finger pressure, smooth the label so that no wrinkles or bubbles exist
on its surface.
v Verify that the label is smooth and parallel, and has no roll-up or roll-over. The
label must be flat to within 0.5 mm (0.02 in.) over the length of the label and
have no folds, missing pieces, or smudges.
v Do not place other machine-readable labels on other surfaces of the cartridge.
They may interfere with the ability of the drive to load the cartridge.
Unlabeled Media Detection
At bootup and other times the library performs an inventory of all slots and
media. If a slot contains media with an unreadable barcode label (for example, the
label is missing, torn, or marked up), the scanner cannot identify it, so the library
normally reports the slot as empty.
With the Unlabeled Media Detection feature, you can configure the library to
detect and report which slots contain media with unreadable barcodes. Since
a69i0349
L
TO1 23L5
Figure D-5. Sample bar code label on the LTO Ultrium 4 Tape Cartridge. The volume serial number (LTO123),
cartridge type (L4), and bar code are printed on the label.
Appendix D. Using Ultrium Drives D-11
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