Test factor
For an existing volume group in AIX server, if we are adding any disk to it
( Typically extending the vg), on the new disk that we add everytime in a Volume Group there will be
(size of disk in MB )/ (PP Size) = # of PPs. ( desired )
If this number is greater than the 1016 limit we will need to change the t-factor.
If the above condition is met, where you have more than 1016 PP count, then this test or t factor come into picture. Hence we need to first find out the t factor value, that we should use.
Formula for calculating factor in chvg -t:
For an existing volume group in AIX server, if we are adding any disk to it
( Typically extending the vg), on the new disk that we add everytime in a Volume Group there will be
(size of disk in MB )/ (PP Size) = # of PPs. ( desired )
If this number is greater than the 1016 limit we will need to change the t-factor.
If the above condition is met, where you have more than 1016 PP count, then this test or t factor come into picture. Hence we need to first find out the t factor value, that we should use.
Formula for calculating factor in chvg -t: