Help me please.
Where is a mistake?
Mounted ASM disks after rebooting dismounting disks.




Oracle Linux 7, DB - 12.2.0.1
Also chown privileges:
chown grid: asmadmin / dev / sdb1
chmod 660 / dev / sdb1
chown grid: asmadmin / dev / sdc1
chmod 660 / dev / sdc1
chown grid: asmadmin / dev / sdd1
chmod 660 / dev / sdd1
After rebooting the OS, privileges also drop to root.
I'm acted according to the instructions https://oracle-base.com/articles/12c/oracle-db-12cr2-rac-installation-on-oracle-linux-7-using-virtualbox
Thanks.