acfsutil

To Create snapshot of the new file system created on node 1
acfsutil snap create -h

acfsutil snap create [-r|-w] [-p parent_snapshot] snapshot mount_point
/sbin/acfsutil snap create mysnapshot_08092017 /acfsmounts/acfs1
acfsutil snap create -w midday_test1 /acfsmounts/critical_apps
acfsutil snap create -w midday_test2 /acfsmounts/critical_apps
/sbin/acfsutil snap create payroll_report1 /acfsmounts/critical_apps
/sbin/acfsutil snap create payroll_report2 /acfsmounts/critical_apps

ls /acfsmounts/critical_apps/.ACFS/snaps

To see the information about snap
/sbin/acfsutil snap info /acfsmounts/critical_apps

To delete the snaphot
/sbin/acfsutil snap delete midday_test1 /acfsmounts/critical_apps

To display all ACFS file systems
acfsutil info fs

[oracle@ol7-122-rac1 ~]$ asmcmd volinfo -G DATA volumen1
Diskgroup Name: DATA

         Volume Name: VOLUMEN1
         Volume Device: /dev/asm/volumen1-241
         State: ENABLED
         Size (MB): 1024
         Resize Unit (MB): 64
         Redundancy: UNPROT
         Stripe Columns: 8
         Stripe Width (K): 1024
         Usage: ACFS
         Mountpath: /acfsmounts/acfs1

Note: