Grid installation prerequisites

Getting error

[grid@proddev1 ~]$ cd /u01/app/grid/12201 [grid@proddev1 12201]$ ./runcluvfy.sh stage -pre crsinst -n proddev1,proddev2 -fixup -verbose ERROR: PRVG-10467 : The default Oracle Inventory group could not be determined. Verifying '/tmp/' ...FAILED (PRVG-1901) Pre-check for cluster services setup was unsuccessful on all the nodes. Failures were encountered during execution of CVU verification request "stage -pre crsinst". Verifying '/tmp/' ...FAILED PRVG-1901 : failed to setup CVU remote execution framework directory "/tmp/CVU_12.2.0.1.0_grid/" on nodes "proddev1" trprdbr04017: Version of exectask could not be retrieved from node "trprdbr04017" trprdbr04017: Version of exectask could not be retrieved from node "trprdbr04017" CVU operation performed: stage -pre crsinst Date: Jun 21, 2018 9:37:11 AM CVU home: /u01/app/grid/12201/ User: grid

FIX: Correct the fstab, to make sure, its like below exactly

[root@proddev1 ~]# more /etc/fstab |grep -E "/tmp | /opt" /dev/mapper/vg_apol-lv_tmp /tmp ext3 defaults,nodiratime,nodev,nosuid 1 2 /dev/mapper/vg_otc0-lv_opt /opt ext3 defaults,nodiratime,nodev 1 2