Fujitsu DISK DRIVES MHL2300AT 유지 관리 매뉴얼 - 페이지 20
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Maintenance and Diagnosis
Revision number mark when delivered
Revision number change in the field
Figure 1.2 Display of disk drive revision number
1.1.5 Tools and test equipment
At the field maintenance level, only ordinary hand tools are required for
troubleshooting and repairing the disk drive. Special tools and test equipment is
not required.
Factory level tools and test equipment are beyond the scope of this manual.
1.1.6 Self-diagnostics
The disk drive has the following self-diagnostics. These self-diagnostics allow
normal basic operation of an isolated disk drive can be checked.
•
Initial self-diagnostics
•
Offline self-diagnostics (EXECUTE DRIVE DIAGNOSTIC [DIAGNOSTIC]
command)
1.1.7 Test
The disk drive test can be divided into the following three levels.
•
Operating test (See Subsection 1.2.1, "Operating test.")
•
Diagnostic test (See Subsection 1.2.2, "Diagnostic test.")
Figure 1.3 shows the relationship between the test level and troubleshooting.
Tables 1.1 and 1.2 show the check contents.
C141-F043-01EN
1.1 Maintenance
A2 Revision
A3 Revision
1-7