User`s guide

26 007-4834-001

3: Operating Storage Enclosures

To turn on the enclosure after a normal shutdown (as described in “Turning the Power

Off” on page 30), turn on both power switches on the rear of the enclosure (see

Figure 3-1) or the main circuit breaker, whichever is applicable. You must turn on both

power supply switches to take advantage of the redundant power supplies.

Note: Always wait at least 30 seconds between the time you turn a power switch off and

the time you turn it back on again.

Note: To speed drive spin-up, it is recommended that you start the expansion enclosures

before or at the same time as the controller enclosure.

Figure 3-1 Turning the Power On and Off

Note: The activity and fault indicators above the drive bays may flash intermittently as

the drives spin up. Wait until the enclosure has finished powering on before checking the

indicator lights on the front of the enclosure. All indicators should be green. If they are

not, use the storage management software (TPSSM) to diagnose the problem.

Power switch