• To initiate an emergency shutdown during which all applications and files will be
closed abruptly without saving, press and hold the Power button for at least four
seconds until the Power/OK status indicator on the front panel flashes, indicating
that the storage controller is in standby power mode. To completely remove power,
disconnect the AC power cords from the rear panel of the storage controller.
Related Topics
• Powering Off a Disk Shelf
• Powering On a Controller
Powering Off a Disk Shelf
If a disk shelf is a part of a storage pool, powering off or removing all SAS chains from
a disk shelf will trigger a kernel panic on the controller(s) to prevent data loss, unless
the disk shelf is part of an NSPF (no single point of failure) data pool. To avoid this,
shut down the controller(s) before decommissioning the disk shelf, as described in
Powering Off a Controller.
1. Place the power supply on/off switches to the "O" off position.
2. Disconnect the power cords from the external power source for the cabinet.
Note:
All power cords must be disconnected to completely remove power from
the disk shelf.
Related Topics
• Powering Off a Controller
• Powering On an Oracle Storage Drive Enclosure DE3-24 or DE2-24 Disk Shelf
• Powering On a Sun Disk Shelf
Chapter 12
Powering Off a Disk Shelf
12-4
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