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Sun Disk Shelf
Perform the software setup tasks as described in the storage controller installation guide.
7
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Powering Off the Disk Shelf
Most disk shelf components are hot-swappable; you do not need to remove power when
replacing them. Do not remove a component if you do not have an immediate replacement. The
disk shelf must not be operated without all components in place.
Powering off or removing all SAS chains from a disk shelf will cause the controller(s) to panic to
prevent data loss, unless the shelf is part of an NSPF (no single point of failure) data pool. To
avoid this, shut down the controller(s) before decommissioning the shelf. For details on NSPF
profiles, see Profile Configuration.
Stop all input and output to and from the disk shelf.
1
Wait approximately two minutes until all disk activity indicators have stopped flashing.
2
Place the power supply on/off switches to the "O" off position.
3
Disconnect the power cords from the external power source for the cabinet. All power cords
4
must be disconnected to completely remove power from the disk shelf.
See Also
Cabling Diagrams
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Sun Disk Shelf
Precautions
Observe the following cautions when installing a Sun Disk Shelf into a rack using the rail
assembly in the bolt-on rack mount kit. Note that if your rack mount kit shipped with
installation instructions, use those instructions instead.
Always load equipment into a rack from the bottom up so that it will not become top-heavy
■
and tip over. Deploy the anti-tip bar to prevent the rack from tipping during equipment
installation.
Ensure that the temperature in the rack does not exceed the controller's maximum ambient
■
rated temperatures. Consider the total airflow requirements of all equipment installed in the
rack to ensure that the equipment is operated within its specified temperature range.
132
Oracle ZFS Storage Appliance Installation Guide • January 2014 E48491–02
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