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3-2 SPARC Enterprise M8000/M9000 Servers Service Manual • October 2012
Each tape drive unit used for operation must be cleaned once every 24 hours of operation.
Even tape drive units not used for operation must be cleaned once every month.
For cleaning, use a cleaning cassette. Consider the product life of the cleaning cassette and
manage the number of uses.
Although cleaning work can be performed in either hot or cold system maintenance mode,
the server power must be on when a cleaning cassette is used. The cleaning procedure is as
follows.
1. If a tape cassette has been inserted in the tape drive unit, remove it from the unit.
2. While holding the cleaning cassette with the mark side facing right, insert it into
the tape drive unit slot.
Head cleaning begins automatically.
3. The cleaning cassette is automatically ejected when cleaning is completed. Remove it
from the slot.
4. To use the tape cassette that was removed in Step 1, reinsert it into the tape drive
unit.
5. Confirm that the tape drive unit is in the normal state.
At this point, head cleaning is finished.
If one of the following problems occurs, replace the cleaning cassette immediately:
■ The cleaning cassette is not automatically ejected within one minute after being inserted.
■ The tape is fully wound on the take-up reel on the right side. (The cassette can no longer
be reused.)
Use only specified cleaning cassettes.
Note – Contact your sales representative for tape drive unit options on M8000/M9000
servers.
3.2 Cleaning an Air Filter (Server)
An air filter may be cleaned while power to the server is on. Although the air filters must be
cleaned once a year, be sure to clean them if they become visibly dirty, even if they are not
scheduled for cleaning.
A high-end server cabinet is equipped with a total of six air filters: three at the front and
three at the rear at the bottom.