Error Message:

labserver:/ # extendvg -f datavg hdisk297
0516-1714 extendvg: The total number of partitions on the disks for this
volume group would be 70374, which exceeds the current maxpps
value of 65536. Increase the maxpps value to 131072 using
the chvg -P command, then retry.
0516-792 extendvg: Unable to extend volume group.
labserver:/ #

Solution:

labserver:/ # /usr/sbin/chvg -P 256

(or)

labserver:/ # smitty chvg
Enter the VG name and change the following entry to the desired value…
Max PPs per VG in units of 1024 32

Acceptable values for MAX PPs per VG are 32, 64,128, 256, 512, 768, 1024, 2048

32 = MAX PPs per VG: 32768
64 = MAX PPs per VG: 65536
128 = MAX PPs per VG: 131072
256 = MAX PPs per VG: 262144
512 = MAX PPs per VG: 524288
768 = MAX PPs per VG: 786432
1024 = MAX PPs per VG: 1048576
2048 = MAX PPs per VG: 2097152

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