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Full Discussion: Free PP Allocation problem
Operating Systems AIX Free PP Allocation problem Post 302505775 by kah00na on Thursday 17th of March 2011 05:26:23 PM
Old 03-17-2011
PPs (physical partitions) represent free space on each disk. Each PP is 256 MB in your rootvg. You can see that in the "lsvg rootvg" output:
Code:
PP SIZE:        256 megabyte(s)

1 PP is the same as 256 MB of free space. The only way to get more free PPs is to move stuff off the disk to the other disk. LPs represent how may logical partitions of your rootvg are being used. If the disk is not mirrored, then a LP is the same as a PP. If your disk is mirrored, then LPs will be half the number of your PPs unless the logical volume is not mirrored like your /var/vio/VMLibrary. Since your "/var/vio/VMLibrary" is only on hdisk1, shrinking that filesystem size will only free PPs on hdisk1. There is no way to move free PPs from one disk to another. You can move logical volumes between your disks (migratepv -l) to free up PPs on one disk but you can't move free space from one disk over to another.

If your goal is to increase /usr by 2.5 GB, you should have the space according to your "lsvg rootvg" output:
Code:
$ lsvg rootvg
VOLUME GROUP:       rootvg                   VG IDENTIFIER:  0007f6fa0000d4000000012667f326b5
VG STATE:           active                   PP SIZE:        256 megabyte(s)
VG PERMISSION:      read/write               TOTAL PPs:      1092 (279552 megabytes)
MAX LVs:            256                      FREE PPs:       301 (77056 megabytes)
LVs:                16                       USED PPs:       791 (202496 megabytes)
OPEN LVs:           14                       QUORUM:         1 (Disabled)
TOTAL PVs:          2                        VG DESCRIPTORS: 3
STALE PVs:          0                        STALE PPs:      0
ACTIVE PVs:         2                        AUTO ON:        yes
MAX PPs per VG:     32512
MAX PPs per PV:     1016                     MAX PVs:        32
LTG size (Dynamic): 1024 kilobyte(s)         AUTO SYNC:      no
HOT SPARE:          no                       BB POLICY:      relocatable

Run this after logging in as padmin:
Code:
oem_setup_env
chfs -a size=+2560MB /usr

 

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LEARN ABOUT OPENDARWIN

powerman-pdu

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

NAME

       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.

       outlet.X.load.off
	   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 = host.example.com: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 <arnaud.quette@gmail.com>

SEE ALSO

   The core driver:
       nutupsdrv(8)

   Internet resources:
       The NUT (Network UPS Tools) home page: http://www.networkupstools.org/

       The PowerMan home page: http://powerman.sourceforge.net/

Network UPS Tools						    05/21/2012							   POWERMAN-PDU(8)
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