Technical data

4–15
Compaq HSZ80 Array Controller ACS Version 8.3 Maintenance and Service Guide
Unit is available but
not online.
This is normal. Units
are “available” until the
host accesses them, at
which point their status
is changed to “online.”
None. None.
Host cannot see
device.
Broken cables or a
missing, incorrect, or
defective terminator.
Check for broken cables
or a missing, incorrect,
or defective terminator.
Replace broken cablesor
the missing, incorrect, or
defective terminator.
Host cannot access
unit.
Host files or device
drivers not properly
installed or configured.
Check for the required
device special files.
Configure device special
files as described in the
getting started manual
that accompanied your
software release.
Invalid Cache See the description for
the invalid cache
symptom.
See the description for
the invalid cache
symptom.
Unit(s) have lost data. Issue the SHOW_UNIT
command.
CLEAR_ERRORS
unit lost
data.
Table 4–1 Troubleshooting Table (Continued)
Symptom Possible Cause Investigation Remedy