118 LED descriptions
Disk drive LEDs (4U56)
You must remove the enclosure bezel to facilitate visual observation of the drawers containing disk drive
modules. To view disks in a drawer, you must open the drawer (see Opening and closing a 4U28 drawer
on page 33). Alternatively, you can use management interfaces to monitor disk LED behavior.
Figure 97 LEDs: Disk drive modules (4U56)
For information about disk drives supported in 4004 Series enclosures, see Disk drives used in 4004 Series
enclosures on page 20.
IMPORTANT: For
instructions about accessing drawers and installing disk drive modules into them, see Populating
drawers in 4U56 enclosures
on page 33
, and Installing a disk module into a 4U28 drawer
on page 35
.
For information about replacing a disk drive module in an 4004 Series enclosure, refer to the “Replacing a
disk drive module” topic in the AssuredSAN 4004 Series FRU Installation and Replacement Guide.
Instructions are provided for replacing LFF disk drive modules therein. For information about creating a disk
group, or a vdisk with volumes, and mapping the volumes to hosts, see the “Provisioning the system” topic
within the Storage Management Guide.
IMPORTANT: For information about self-encrypting disk (SED) drives, see FDE considerations on page 37
and the Storage Management Guide or online help.
LED mode description Color State Definition
1—Power/Activity Green On
Blink
Off
The disk drive is operating normally.
The disk drive module is initializing; active and processing I/O;
performing a media scan; or the vdisk or disk group is
initializing or reconstructing.
No identify or remove requests are active. If not illuminated
and Fault is not illuminated, the disk is not powered on.
2—Fault Amber On
Blink
Off
The disk has failed; experienced a fault; is a leftover; or the
disk group that it is associated with is down or critical.
Physically identifies the disk; or locates a leftover (also see Blue).
If not illuminated and Power/Activity is not illuminated, the
disk is not powered on.
Blue Blink Leftover disk from disk group is located (alternates blinking
amber).
3.5" LFF disk drive module
(see table below for LED behaviors)
1
LEDs
2
Electromagnetic interference protection is provided by the EMI shield in the enclosure bezel.
Front view of sledded-disk
Disk module oriented for insertion into drawer
(PCBA connector is visible at base of module)
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