Dell PowerVault 221S (SCSI) - Manual (Page 4)

Introduction: Dell PowerVault 220S and 221S Systems Installation and Troubleshooting Guide
file:///C|/Users/rishi_sood/Desktop/220s/en/it/6f704c11.htm[3/7/2013 12:07:17 PM]
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 Table 1-3 for flash patterns and conditions.
NOTE: For the full name of an abbreviation or acronym used in this table, see " Abbreviations and Acronyms ."
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
Figure 1-3 illustrates the back-panel features for systems with redundant EMMs and redundant power supplies. Figure 1-4
illustrates the back-panel features for non-redundant systems. See Figure 1-5 , Figure 1-6 , and Figure 1-7 for more detail on
the back-panel indicators.
Figure 1-3. Back-Panel Features (Systems With Redundant EMMs and Redundant Power Supplies)