C Ups And Data Center Power Configurations; Supported Ups Configurations - HP Integrity NonStop i NS2300 Planning Manual

C UPS and Data Center Power Configurations

This appendix provides examples of UPS and data center power configurations, and:
Specifies the UPS configurations supported on the NonStop system including the
recommended UPS configuration for when the disk drive write cache is enabled.
Identifies the non-supported UPS configurations that should not be used with the NonStop
system when the disk drive write cache is enabled.
Explains why some configurations are not supported.
Informs you of what you must do to prevent data loss.
NOTE: All example UPS configuration illustrations in this appendix show NonStop BladeSystem
hardware, but these configurations are supported on all NonStop platforms and can be used with
single-phase and three-phase UPS.
IMPORTANT:
Enterprise-supported UPS from the manufacturing default setting to an appropriate value for
your system. During installation of a NS2300 system or HPE UPS, your service provider can
refer to the "Setting the Ride-Through Time and Configuring for Maximized Runtime" procedure
in the NonStop i NS2100 and NS2300 Hardware Installation Manual for these instructions.

Supported UPS Configurations

These are the supported UPS configurations for a NonStop i System:
"NonStop i System With a Fault-Tolerant Data Center" (page 65)
"NonStop i System With a Rack-Mounted UPS" (page 66)
"SAS Disk Enclosures With a Rack-Mounted UPS" (page 67)
64 UPS and Data Center Power Configurations
You must change the ride-through time for a Hewlett Packard