SAS Disk Enclosures With a Rack-Mounted UPS
In this supported configuration, only SAS Disk Enclosures are protected by the rack-mounted
UPS. The rack(s) with SAS Disk Enclosures and/or Storage CLIMs are supported by one or more
rack-mounted UPS.
shows an example of a supported configuration in a NonStop i system with the left
PDUs connected to the rack-mounted UPS, and the right PDUs connected to the utility power.
The rack-mounted UPS is connected to the utility power.
Figure 17 SAS Disk Enclosures With a Rack-Mounted UPS
When the utility power fails, the NonStop system powers off without an OSM-initiated controlled
shutdown of the I/O operations and processors. Only the products in the rack with the
rack-mounted UPS remain powered on. All completed disk write transactions’ data are written
to the disk drive media or the disk drive write cache. The rack-mounted UPS provides the extended
time for the disk drives to transfer the data from their write cache to the media. The rack-mounted
UPS provides extended time for the disk drives to transfer the data from their write cache to the
media preventing loss of data.
Supported UPS Configurations
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Содержание Integrity NonStop i NS2300
Страница 5: ...Ukraine RoHS material content declaration 79 Index 80 Contents 5 ...
Страница 9: ...Figure 1 Example NS2300 System Configuration 42U 9 ...
Страница 31: ...Figure 3 Intelligent PDU Connections Without UPS Power Distribution for NS2300 Systems 31 ...
Страница 33: ...Figure 5 Intelligent PDU Connections With Three Phase UPS Power Distribution for NS2300 Systems 33 ...
Страница 35: ...Figure 7 Modular PDU Connections With Single Phase UPS Power Distribution for NS2300 Systems 35 ...
Страница 36: ...Figure 8 Modular PDU Connections With Three Phase UPS 36 System Installation Specifications for NS2300 Systems ...
Страница 38: ...Figure 9 Example of Bottom AC Power Feed Without UPS 38 System Installation Specifications for NS2300 Systems ...
Страница 39: ...Figure 10 Example of Top AC Power Feed Without UPS Power Distribution for NS2300 Systems 39 ...
Страница 41: ...Figure 12 Example of Bottom AC Power Feed With Single Phase UPS Power Distribution for NS2300 Systems 41 ...