Powering Off And Powering On The Msa; Powering Off The Msa - HP AD510A - StorageWorks Modular Smart Array 1500 cs 2U Fibre Channel SAN Attach Controller Shelf Hard Drive Installation Manual

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Powering off and powering on the MSA

NOTE: To restart (power-cycle) the MSA, follow the procedures below to power off and then power
on the array.

Powering off the MSA

NOTE: System power to the MSA array does not completely shut off with the Power on/Standby
button. The Standby position removes power from most of the electronics and components, but
portions of the power supply and some internal circuitry remain active. To completely remove power
from the system, disconnect all power cords from the device.
IMPORTANT:
that all I/O activity on the hard drives is ceased before powering off the hard drive enclosure.
1. Schedule a maintenance window.
2. Ensure that a known good backup is available.
3. Power down all servers with access to the MSA, or if your operating system fully supports it,
quiesce all I/O and dismount all LUNs.
4. On the MSA, press and hold down the Power on/Standby button on the front of the chassis for
approximately five seconds to place the MSA array in Standby mode.
5. Verify that the Power on/Standby button LED is amber/off and that the fans are off.
6. Power off all attached hard drive enclosures.
7. Disconnect the power cords from the MSA.
It is critical to shut down the MSA array before the hard drive enclosures, to ensure
HP StorageWorks 1500 Modular Smart Array installation guide 97