Fujitsu MJA2500BH - Mobile 500 GB Hard Drive Product/Maintenance Manual page 18

Contents
6.4 Read-ahead Cache...........................................................................................6-13
6.4.1
6.4.2
6.4.3
6.5 Write Cache.....................................................................................................6-20
6.5.1
CHAPTER 7 Maintenance and Diagnosis ..................................................... 7-1
7.1 Maintenance ......................................................................................................7-2
7.1.1
7.1.2
7.1.3
7.1.4
7.1.5
7.1.6
7.1.7
7.2 Operation Confirmation ..................................................................................7-11
7.2.1
7.2.2
7.3 Troubleshooting Procedure .............................................................................7-12
7.3.1
7.3.2
7.3.3
7.4 Disk Drive Removal Procedure ......................................................................7-15
7.5 Spare Disk Drive.............................................................................................7-15
Glossary ........................................................................................................... GL-1
Acronyms and Abbreviations .........................................................................AB-1
Index ................................................................................................................. IN-1
xiv
Data buffer structure ..........................................................................6-13
Caching operation ..............................................................................6-14
Using the read segment buffer ...........................................................6-16
Cache operation .................................................................................6-20
Rules for maintenance..........................................................................7-2
Maintenance requirements ...................................................................7-3
Maintenance levels...............................................................................7-5
Disk drive revision number..................................................................7-6
Tools and test equipment .....................................................................7-8
Self-diagnostics....................................................................................7-8
Test.......................................................................................................7-8
Operation test .....................................................................................7-11
Diagnostic test....................................................................................7-11
Troubleshooting procedure ................................................................7-12
Troubleshooting disk drive replaced in field .....................................7-12
Troubleshooting at factory .................................................................7-14
C141-E293