Back-panel features and indicators, Table 1-3 – Dell PowerVault 221S (SCSI) User Manual
Page 4

Introduction: Dell PowerVault 220S and 221S Systems Installation and Troubleshooting Guide
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LED Indicator
LED Icon
Condition
Busy (green)
The hard drive is active on the SCSI bus.
NOTE:
This LED is controlled by the hard drive.
Status (green and amber)
See
for flash patterns and conditions.
NOTE:
For the full name of an abbreviation or acronym used in this table, see "
Table 1-3. Hard-Drive Carrier Status Indicator Flash Patterns
Condition
Status Indicator Pattern
Slot empty, ready for insert/remove Off
Drive online, prepare for operation
Steady green
Drive identify
Flashes green four times per second
Prepare for removal
Flashes green twice per second at equal intervals
Drive rebuild
Flashes green twice per second at unequal intervals
Drive fail
Flashes amber four times per second
Predicted failure
Flashes green, then amber, then off, repeating this sequence every two seconds
Back-Panel Features and Indicators
illustrates the back-panel features for systems with redundant EMMs and redundant power supplies.
illustrates the back-panel features for non-redundant systems. See
for more detail on
the back-panel indicators.
Figure 1-3. Back-Panel Features (Systems With Redundant EMMs and Redundant Power Supplies)