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4.Operation
Note: The format operation can be very time consuming depending on the requested size of the first partition on the
tape. The amount of time required can be approximated by use of the following formula:
- Number of Megabytes in Partition 1 0.006 = number of minutes required
- Add 30 additional seconds for processing overhead
4.5. Maintenance, Troubleshooting and Service
Head Cleaning
4.5.1.
In case of SDX-250V a cleaning function which prevents and recovers from head contamination is built in the drive.
However, to keep optimum Read/Write performance, cleaning cassette is recommended to use.
4.5.1.1.
Message when cleaning cassette is necessary
When drive displays cleaning cassette requirement, (Cleaning Request LED is on or in case of SCSI, CLN bit is set
at Request Sense.) use specified cleaning cassette (model name: SDX1-CL)
The condition of cleaning request
4.5.1.2.
(1) Read/Write performance decreased.
(2) Every 100 hours of operation.
Note: (2) is enable when Periodic Cleaning Req Dip-SW6 is on.
4.5.1.3.
Usage of cleaning cassette
(1) Drive displays cleaning cassette requirement.
(2) When specified cleaning cassette is inserted, automatic cleaning operation starts and when its over, the
cassette is ejected.
(3) One cleaning cassette can be used approximately 60 times.
(4) When the cleaning cassette is ejected without doing cleaning, it is possible that there were no more cleaning
tape left. Since cleaning tape cannot be used twice, please insert new cleaning cassette in this case.
(5) SDX-TCL can be inserted in other drives or consumer 8 mm drives, but you cannot expect good effect.
(6) The drive will automatically eject cleaning cassette for consumer drives or for any other format. The cleaning
Request is indicated by the Cleaning Request LED.
4.5.2.
Troubleshooting Guide
Problems encountered while operating the Sony SDX-250V tape drive fall into two categories: Operational problems
and Read/Write problems.
Operational problems include any conditions that prevent the tape drive from operating. Operational problems
usually are discovered the first time the drive is installed on a system or when the system configuration is changed or
physically moved.
Read/Write problems include conditions that effect the transfer of data to and from the tape drive. Commands such
as REWIND, REQUEST SENSE and UNLOAD perform normally but data transfers fail.
The following clauses describe the recommended procedures for solving operational and read/write problems.
4-6
SONY AIT-E Turbo drive SDX-250V series Ver.1.0
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