kfed repair: clscfpinit: Failed clsdinitx [-1] ecode [64]

Action: 

Trying to repair ASM disk header using kfed from root user.

[root@rac1 ~]# kfed repair /dev/flashgrid/racq.lun1 aus=4M

clscfpinit: Failed clsdinitx [-1] ecode [64]
2018-11-03 02:47:34.338 [2576228864] gipclibInitializeClsd: clscfpinit failed with -1

Cause:

The user must be grid instead of root.

Solution:

[root@rac1 ~]# su - grid

[grid@rac1 ~]$ kfed repair /dev/flashgrid/racq.lun1 aus=4M