6 Operation and management
Included topics:
• “Powering on disk enclosures” Page 41
• “Powering off disk enclosures” Page 41
• “Updating disk enclosure firmware” Page 41
Powering on disk enclosures
IMPORTANT: Always power on disk enclosures before controller enclosures and servers. This
ensures that servers, during the discovery process, identify the enclosures and installed disk
drives as operational devices.
Power on procedures
1. Apply power to each power supply module.
2. Once power is applied to the power supplies, the enclosure starts running.
The power on LED turns solid green.
3. Wait a few minutes for the disk enclosures to complete their startup routines.
CAUTION: If power is applied to the server before the disk enclosures complete their
startup routine, the server might not properly discover the storage.
4. Apply power to the controller enclosure (if included in the configuration).
5. Power on (or restart) the server with access to the disk enclosures, start the operating system,
and log on as administrator.
CAUTION: When you power on the server, the monitor might display a “New Hardware
Found” message. Cancel out of this window to prevent the installation of unsupported
software.
6. Verify that each component is operating properly.
Powering off disk enclosures
IMPORTANT: Always power off disk enclosures after controller enclosures and servers.
IMPORTANT: When installing a hot-pluggable component, such as a disk drive, it is not
necessary to power down the enclosure.
To power off a disk enclosure:
1. Power off any attached servers. For more information, see the server documentation.
2. Power off the controller enclosure (if included in the configuration.) For more information,
see the controller enclosure documentation.
3. Power off the disk enclosures.
4. Disconnect power cords.
The system is now without power.
Updating disk enclosure firmware
After initial installation and periodically after that, verify that all devices in the configuration have
the latest available firmware installed.
Powering on disk enclosures 41
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