IBM TS2900 Setup, Operator, And Service Manual page 132

Motion counts
Lists the accumulated operation count for all movements, accessor movements, picker
movements, and X-axis movements.
Retry counts
Lists the accumulated number of retries (reattempts to load cartridges) in the drive and the
cartridges positions by the accessor.
Error counts
Lists the accumulated number of errors for the accessor, X-axis movements, and drive load and
unload operations.
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IBM TS2900 Tape Autoloader: Setup, Operator, and Service Guide Machine Type 3572