DEC 4000 600 series, Owner'S Manual, Page: 210 / 242

Mass Storage Problems
Mass Storage Problems
Mass Storage
Problems This section describes how to troubleshoot mass storage-related
problems. Typically, these problems occur while operating system
software is up and running.
Table 9–11 describes possible drive problems and their
solutions.
Table 9–11 Diagnostic Flow for Mass Storage Problems
Symptom Action Reference
Write error message
displayed or unable to
copy to media. Check that media is not write-
protected.
Drive fault light comes on
or blinks. Check that drive ID plug is
installed. Install drive ID plug
if it is not installed.
Make sure all devices and
controllers or adapters on same
bus have unique drive IDs. Changing Drive ID Numbers
in Chapter 6.
Abnormal environmental condition. Reset temperature or
humidity to normal condition.
If fault light stops blinking, system
may have corrected itself. If fault
light remains on, call your Digital
service representative.
Check that bus is properly
terminated. Terminating and Extending a
Bus in Chapter 6
(continued on next page)
9–14 Troubleshooting the System