rootvg and hardware raid1

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Operating Systems AIX rootvg and hardware raid1
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Old 09-11-2009
rootvg and hardware raid1

Good Morning,

We have a JS22 blade that we will be loading AIX5.3 onto it. We just discovered that the JS22 will only support one drive, so we are planning on booting this blade from the Fiber Channel SAN. Orginally we used 2 physical drives and set up RAID 1 and presented the logical drive to the JS22. The consultant that is setting up the system told us that this would not work for rootvg and that in order for the system to work properly AIX needs to see both drives. I have limited knowledge of unix/linux, but i find it hard to believe that a hardware based raid solution would not work. Can anyone shed any light on this for me?

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POWERMAN-PDU(8) 						    NUT Manual							   POWERMAN-PDU(8)

powerman-pdu - Driver for Powerman PDU SYNOPSIS
powerman-pdu -h powerman-pdu -a PDU_NAME [OPTIONS] Note This man page only documents the hardware-specific features of the powerman-pdu driver. For information about the core driver, see nutupsdrv(8). SUPPORTED HARDWARE
This driver supports a wide range of PDUs through the Powerman project. This includes various models from APC, Baytech, Cyclades, but also support IPMI and various blade management modules from HP, IBM and Sun. EXTRA ARGUMENTS
This driver doesn't support any optional settings. INSTALLATION
This driver is not built by default. You can build it by using "configure --with-powerman=yes". UPS COMMANDS
The following instant commands (see upscmd(8)) are available for each outlet of the PDU, with X standing for the outlet number: outlet.X.load.on Power on the outlet. Power off the outlet. outlet.X.load.cycle Cycle the outlet (power off then power on, possibly with a delay). IMPLEMENTATION
The hostname of the Powerman server is specified using the "port" value in ups.conf, i.e.: [pdu] driver = powerman-pdu port = The port used to reach powermand is optional if the default port is used. KNOWN ISSUES
In the current NUT version (2.4.1), ups.status is still exposed, with the value "WAIT". Some other values from the ups collection are also exposed. AUTHOR
Arnaud Quette <> SEE ALSO
The core driver: nutupsdrv(8) Internet resources: The NUT (Network UPS Tools) home page: The PowerMan home page: Network UPS Tools 05/21/2012 POWERMAN-PDU(8)