Maintenance Object Repair Procedures
555-233-123
10-1632 Issue 4 May 2002
Aux Data Values Indicating the Tape File Type
This table translates Aux Data values to the corresponding tape file type.
Tape Drive Head Cleaning Procedure
The tape drive head (also called the tape head) should be cleaned at least once a
year. However, as part of the preventive maintenance strategy, it is
recommended that you inspect the tape head during each maintenance visit
and that you clean the tape head several times a year. In addition, a dated
label should be placed on the tape drive unit after the tape head is cleaned. You
should also complete the “AT&T Preventive Maintenance Log” sheet. (Refer to
Chapter 5, ‘‘Routine Maintenance Procedures’’.)
New tapes leave more abrasive particles on the tape head. Therefore, if a new
tape is used, issue the test tape long repeat 3 command, and then clean the
tape head.
The tape head can be accessed for cleaning from the front of the drive by opening
the tape access door with your finger. See Figure 10-94 on page 10-1633.
Table 10-605. Table C. Tape File Types
Aux Data Value File Type
0 Primary Translation File
1 Backup Translation File
2 Core Dump File
3 Program Update File
4 Boot Image File
6 Error Log File (not including scratch area)
12 Stored Announcement File
16 Processor Interface Firmware File
17 Header Block
19 Packet Control Firmware File
20 NIPM File
21 X25 File
22 Primary Directory File
23 Backup Directory File
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