Steps after upgrade

When the upgrade is finished, you must set the value of the GPFS parameter disableDIO to yes.

About this task

This change is permanent and persist over the reboot.

Procedure

After the upgrade, as the root user run the command from the head node on every rack:
```
mmchconfig disableDIO=yes -N all -i
```

Confirm that the value of the disableDIO parameter is set to yes.

 mmlsconfig disableDIO

Example for a 4-rack system:

ssh node0101 mmchconfig disableDIO=yes -i
ssh node0101 mmlsconfig disableDIO

ssh node0201 mmchconfig disableDIO=yes -i
ssh node0201 mmlsconfig disableDIO

ssh node0301 mmchconfig disableDIO=yes -i
ssh node0301 mmlsconfig disableDIO

ssh node0401 mmchconfig disableDIO=yes -i
ssh node0401 mmlsconfig disableDIO