Access node in recovery mode
Select Actions for the respective node where you need to enable recovery mode from the Manage Nodes option.
Firstly, you need to power off the node to enable recovery mode...
Now, select Enable Recovery Mode option from Actions to enable it.
Once the recovery mode is enabled, you will get the below message as Recovery Mode Enabled.
The server should be started after enabling the recovery mode. Please wait for the recovery mode to be enabled. Once enabled, power on the node to boot into recovery mode.
Once the node comes to a running state, select Actions -> Access Console.
Click on the screen and press enter to boot into recovery mode.
If the rescue disk is enabled and left for 30 seconds, you need to quit installation as per the below screenshot.
After quitting, the rescue image will boot into recovery mode.
Then choose option 1 to mount the disk, enter 1 on the below screen to continue as shown in the picture below.
Press the enter button to get the command line in recovery mode.
Disk Space full
When the disk space is full on the server, you can check with the command:
df -Th
and can see node's disk (vda1) will be mounted on /mnt/sysimage.
If you want to remove/delete files through recovery mode, you can browse and clear the unwanted files.
Change password
If you want to change the password of the root user through recovery mode, you can mount disk (vda1) on /mnt/sysimage and change it as shown in the below screen.
Note: Please check if the user is changed to
root@localhost. If not, usesudo -i; it is mandatory to change the root password.
To exit/unmount the disk (vda1) from /mnt/sysimage, run the exit command as shown in the screenshot below:
Once the disk is cleared, the password reset is done, or other operations are performed through recovery mode, you can power off the node again.
Then, disable the recovery mode option through Disable Recovery Mode from Actions.
Finally, you can power on the node and check that the server status is in the RUNNING state.
