User`s guide

7-9
Troubleshooting
DRIVE DOWN An error occurred with
the disk drive and it
was downed,
removing it from the
active array.
Add a spare to the array or
the spare pool. Then
replace the bad disk drive.
See Adding a Dedicated
Spare on page 4-2 or
Adding a Spare to the Spare
Pool on page 4-5.
REPLACE
BATTERY
The battery is
approaching its 3-year
life span.
Replace the battery.
SDRAM CORR
ECC
A correctable single-bit
SDRAM ECC error
occurred.
If this error occurs
frequently, replace the
memory. Refer to DuraStor
6200SR and 312R
Installation and User’s
Guide.
SMART
EVENT
A disk drive
informational
exceptions page
control (IEPC)
predictive failure
message was received.
No actions by the
controller are taken on
the disk drive for these
events.
Run diagnostics available
from your OS on the
affected disk drive.
Replace the drive, if
necessary.
SPARE
UNUSABLE
The disk drive still
contains metadata that
must be cleared.
Clear the metadata from
the spare drive. See
Clearing Metadata from a
Disk Drive on page 6-3.
UNWRITABLE
CACHE
The SDRAM cache has
battery backed-up
data, and the arrays
assigned to this data
are not present.
Either determine which
disk drives are missing
and reinstall them, or
select Yes when asked if
you want to discard this
data.
VOLT/TEMP
WARN
The analog-to-digital
convertor monitored a
temperature and/or
voltage in the warning
range.
Check that the controller’s
fan is running. Check that
the ambient temperature
is not too warm. Refer to
the DuraStor 6200SR and
312R Installation and User’s
Guide.
Table 7-1 Warning Events (Continued)
Event Definition Recommended Action