User`s guide

3-41
Storage Manager
Drive Failures
Drive failures are indicated by flags, which differ depending on
whether they refer to an array or a drive in an array. Failure
conditions are indicated as follows:
Device Type Array
Type
Flag in
Physical
Configuration
Flag in
Logical
Configuration
Probable cause
Individual
Drive
None Red Red Failed drive with
unrecoverable errors.
Black Black Drive is either missing or
has stopped responding.
Individual
Drive
0 Black Black At least one drive is
missing and data is lost.
Individual
Drive
1, 10, 5,
or 50
N/A Black Drive is either missing or
has stopped responding.
Array 0 N/A Red At least one drive has
failed or is missing; data
is lost.
Array 1, 10, 5,
or 50
N/A Yellow Array is currently
running in degraded
mode.
N/A Red Two or more drives have
failed with unrecoverable
errors; data is lost.
Combined RAID SW-UG.book Page 41 Monday, September 9, 2002 1:25 PM