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Powering on/powering off
25
DC power cycle
To power on the system:
1.
Power up drive enclosure(s).
Press the power switches at the back of each drive enclosure to the
On
position. Allow several seconds for the disks
to spin up. See also
.
2.
Power up the controller enclosure next.
Press the power switches at the back of the controller enclosure to the
On
position. Allow several seconds for the
.
To power off the system:
1.
Stop all I/O from hosts to the system [see
2.
Shut down both controllers using either method described below:
Use the SMU to shut down both controllers, as described in the online help and
HPE MSA 2050 SMU Reference
Guide
.
Proceed to
.
Use the CLI to shut down both controllers, as described in the
HPE MSA 2050 CLI Reference Guide
.
3.
Press the power switches at the back of the controller enclosure to the
Off
position. See also
.
4.
Press the power switches at the back of each drive enclosure to the
Off
position. See also
.