Instruction Manual

Table 13 Operation al drive status displays
Activity
On-line
Fault
Description
Flashing
(medium speed)
On
Off
Initial startup.
On On
Off
The operation
al drive is not being accessed.
Flashing (high
speed)
Flashing
(medium speed)
On
The drive is b eing located.
Flashing
On
Off
The d rive is operational and active.
NOTE:
The drive is configured as part of an array. DO NOT replace an active drive.
Table 14 No n-opera tional drive s tatus indications
Activity
On-line
Fault
Description
On On On
Indicates no connection or the controllers are offline.
Recommended corrective actions:
1. Check power supplies for proper operation.
2. If defective, replace drive.
On
Off
Flashing
Indicates drive error/not a ctive. Recommended
corrective actions:
1. Verify drive loop continuity.
2. Replace drive.
Drive power
Thedrivevoltagebackplane sensors (+5.1 VDC and +12.1 VD C ) can detect a drive overcurrent condition.
When a d rive overcurrent condition exists, the sensor disconnects the voltage from the drive to prevent
writing data to the drive. The drive is disabled until one of the following conditions occurs:
• Thedriveisreplaced,ifdefective.
• The overcurrent condition no longer exists.
Drive blank
T o maintain the proper enclosure air flow , a drive or a drive blank must be installed in each drive bay.
Thedriveblanks(seeFigure 29) m a intain proper airflow within the disk enclosure.
Enterprise Virtual Array 3000/5000 user guide (VCS 3.110)
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