Powering Off Vls6000 Disk Arrays - HP StorageWorks 6000 - Virtual Library System User Manual

7. If removing the access panel from a node, wait until the VLS has completed its shutdown operation,
then press the UID LED button on the front of the node.
Blue LEDs illuminate on the front and rear panels of the node.
Amber system power LEDs indicate that nodes are in standby mode.
8. Press the Power On/Standby button on nodes not in standby mode.
9. If removing the access panel from a node:
a. Go to the back of the rack and locate the node by identifying the illuminated rear UID LED
button.
b. Unplug the node AC power cords from the power source.
The node is now without power.

Powering Off VLS6000 Disk Arrays

CAUTION:
Always power off the node before disconnecting a VHDCI cable or powering off a disk array to
prevent the appliance from erroneously detecting a disk array RAID volume failure.
NOTE:
It is not necessary to power off a disk array when replacing a disk array fan module, power supply,
or hard drive.
To power off a disk array:
1. Power off the node. See
2. Press the power button on the rear of the disk array.
"Powering Off the System" on page 130.
HP StorageWorks 131