Access node in recovery mode

Select Actions for the respective node where need to enable recovery mode from Manage Nodes option.

Firstly need to power-off the node to enable recovery mode….

../../_images/recovery1.png ../../_images/recovery2.png ../../_images/recovery3.png

Now need to select Enable Recovery Mode option from Actions to enable it.

../../_images/recovery4.png ../../_images/recovery5.png ../../_images/recovery6_.png

Once the recovery mode is enabled will get the below message as Recovery Mode Enabled

../../_images/recovery7_.png

Server to be started after enabling the recovery mode. Please wait for the recovery mode to be enabled. Once enabled, power on the node to boot in to recovery mode.

../../_images/recovery8.png ../../_images/recovery9_.png

Once the node comes to running state, select Actions -> Access Console.

../../_images/recovery10.png ../../_images/recovery11.png

Click on the screen and press enter to boot in to recovery mode.

If rescue disk enabled and left for 30 seconds, you need to quit installation as per below screenshot.

../../_images/Quit-NewInstall-Recoverymode1.png ../../_images/Quit-NewInstall-Recoverymode2.png

After Quiting, the rescue image will boot in to recovery mode.

Then to chose option 1 to mount the disk, Enter 1 on the below screen to continue as in the picture below

Press enter button to get the command line in recovery mode.

../../_images/recovery14_.png ../../_images/recovery15_.png

Disk Space full

When the disk space is full on server can check with command -> “df -Th” and can see node’s disk (vda1) will be mounted on /mnt/sysimage.

../../_images/recovery24.png ../../_images/recovery16_.png ../../_images/recovery17_.png

If you want to remove / delete through recovery mode then you can browse and clear the unwanted files.

../../_images/recovery18_.png

Change password

If you want to change the password of root user through recovery mode you can mount disk (vda1) on /mnt/sysimage and change as per the below screen.

../../_images/recovery26.png ../../_images/recovery33.png ../../_images/recovery31.png

Note

Please check if the user is changed to root@localhost if not use sudo -i, it is mandatory to change root password.

../../_images/recovery32.png

To exit / unmount the disk (vda1) from /mnt/sysimage can run exit command as in the screenshot below :

../../_images/recovery35.png

Once disk is cleared / password reset done or other operations performed through recovery mode you can power-off the node again.

../../_images/recovery19.png

Thereby disable the recovery mode option through Disable Recovery Mode from Actions

../../_images/recovery20.png

Finally, you can power on the node and check the server status should be on RUNNING state.

../../_images/recovery21.png ../../_images/recovery22.png ../../_images/recovery23_.png