HP StorageWorks 1510i HP StorageWorks 1510i Modular Smart Array maintenance an - Page 38
Powering off and powering on the MSA, Powering off the MSA
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Component Hot-pluggable Non- hot-pluggable Redundant power supply module X Redundant fan module X MSA array controller nl X* (dual-controller configurations) 2-Port Ethernet iSCSI module nl (dual-controller configurations) X* SCSI I/O module X MSA chassis X MSA array controller (single-controller configurations) X 2-Port Ethernet iSCSI module nl (single-controller configurations) X MSA array controller (single-controller configurations) X * Before removing one of the two controllers or 2-Port Ethernet iSCSI modules in an operational, dual-controller MSA, the controller being removed must first be disabled. For more information, see Replacing the controller, controller cache, or controller battery . Powering off and powering on the MSA NOTE: To restart (power cycle) the MSA, follow the procedures 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. In Standby mode, power is removed 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: It is critical to shut down the MSA array before the hard drive enclosures, to ensure that all I/O activity to the hard drives is ceased before powering off the hard drive enclosure. To remove power from the MSA, do the following: 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. 38 Customer replaceable components
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