Disk Module Leds - Symantec NetBackup 5220 Hardware Installation Manual

Disk drive features
The disk drives have the following features:
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Disk module LEDs

One disk inside a carrier defines the "Disk Module." There are two LEDs on each
disk module. One LED indicates disk status. The other LED indicates Power and/or
Activity.
Disk module LEDs
The OS of the NetBackup 5220 is installed on system disks that are not
hot-swappable.
The disk in slot 7 of the drive is designated as the spare disk.
If a disk in slot 0 through 6 fails or is removed, the spare disk contains backed
up data.
Provide storage capacity
The NetBackup 5220 can provide storage capacity for storing other data
besides the system data on the system disks. Except for the system disks and
hot spare disks, all other disks are data disks and provide storage capacity.
When data is being read or written on disks, do not power off the device by
turning off the power. Otherwise, the disks data may be damaged.
To power off the device correctly, stop reading and writing data on the disks
first. Then send a shutdown command through the OS.
LED Color/State
Disk Status Green
Power/Activity Solid Green
Solid Blue
Power/Activity Not lit
Power/Activity Flashing
Green or Blue
Indication
Drive has been configured.
System carrier contains a disk drive. Storage
Shelf carrier contains drive
The carrier does not contain a disk drive.
Drive activity is in progress.
Green = System, Blue = Storage Shelf
Introduction 17
Physical description