GPFS is too slow after installtion

we have implement GPFS 3.5.0.10 with 4 nodes cluster AIX 6.1 TL8 and they VIO clients , after that we noticed a big delay while we execute any command like mmgetstate -a will take about 2.5 minutes .

time mmgetstate -a Node number  Node name        GPFS state 
------------------------------------------
       1      A         active
       2      B          active
       3      C          active
       4      D          active
real    1m31.688s
user    0m0.375s
sys     0m0.174s

AIX Health Check - GPFS ?
Fix pack information for: NFS4 BACKED GPFS IS SLOW IN LINUX KONQUEROR ACCESS ?

thanks alot for your replay , but i did not find anything about the GPFS slowness .

It passes the health check?