Dell MD1420 Hardware Owner's Manual

Hard disk drive indicator patterns
Figure 3. Hard disk drive indicators
1. hard disk drive activity indicator (green)
2. hard disk drive status indicator (green and amber)
3. hard disk drive
Hard disk drive- status indicator pattern (RAID Only)
Condition
Blinks green two times per second Identify hard disk drive or preparing for removal
Off Hard disk drive ready for insertion or removal
NOTE: The hard disk drive status indicator remains off
until all hard disk drives are initialized after system
power is turned on. Hard disk drives are not ready for
insertion or removal during this time. The Dell
PowerEdge RAID controller PERC H830 and 12Gb SAS
HBA may take up to a minute to discover and initialize all
the hard disk drives.
Blinks green, amber, and off Hard disk drive predicted failure
Blinks amber four times per second Hard disk drive failed
Blinks green slowly Hard disk drive rebuilding
Steady green Hard disk drive online
Blinks green for three seconds, amber for three seconds, and turns
off in six seconds.
Rebuild aborted
About your enclosure 7

Dell MD1420 Specifications

General

Form Factor	2U Rack-Mountable
Interface	12Gbps SAS
Hot-Swap Bays	Yes
Drive Bays	24 x 2.5"
Maximum Capacity	Up to 192TB
RAID Support	Depends on controller
Power Supply	Redundant power supplies
Cooling	Redundant cooling fans
Product Type	Storage Enclosure
Number of Controllers	0 (JBOD)
Compatibility	Dell PowerEdge servers