Levels Of Protection Against Power Failure - HP StorageWorks 1510i - Modular Smart Array User Manual

Table 3 Levels of protection against power failure
Connection method
MSA1510i power supplies connected to:
• One power source
MSA1510i power supplies connected to:
• Two separate power sources
MSA1510i power supplies connected to:
• Two UPSs
• Two separate power sources
WARNING!
To reduce the risk of electric shock or damage to the equipment:
• Do not disable the power cord grounding plug. The grounding plug is an important safety feature.
• Plug the power cord into a grounded (earthed) electrical outlet that is easily accessible at all times.
• Route the power cord so that it is not likely to be walked on or pinched by items placed upon it or
against it. Pay particular attention to the plug, electrical outlet, and the point where the cord is
attached to the device.
• Unplug the power cord from the power supply to remove power from the equipment.
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Level of protection
Protects you from downtime when one of the
MSA1510i power supplies fails.
The remaining power supply/fan module can operate
the MSA1510i until a replacement module is installed.
Protects you from downtime when one of the
MSA1510i power supplies fails.
Protects you from data loss when one of your power
sources fails due to a pulled cable, tripped breaker.
The remaining power source can power the MSA1510i
until the failed power source is restored or relocated.
Depending on the cause and duration of the power
outage, you can use this time to properly shut down
your storage subsystem
Protects you from downtime when one of the
MSA1510i power supplies fails.
Protects you from data loss when one or both of your
power sources fails due to a pulled cable, tripped
breaker, or local power outage.
The remaining power source or the UPS powers
the MSA1510i until power is restored to the source.
Depending on the cause and duration of the power
outage, you can use this time to properly shut down
your storage subsystem.
1510i Modular Smart Array installation and user guide
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