Increasing the CTERA Portal Storage Pool

The following procedure includes creating a snapshot of the existing volume as a backup.

To increase storage:

1. Log in to your Amazon Web Services account.
2. Perform the following steps to take a snapshot of the CTERA database EBS volume as a backup.
   1. In the Amazon Web Services > Compute area, click EC2.
      The EC2 Dashboard screen is displayed.
   2. In the navigation pane, click ELASTIC BLOCK STORE > Volumes.
      The ELASTIC BLOCK STORE > Volumes screen is displayed.
      
   3. Locate the EBS volume to enlarge, right-click it and click Create Snapshot.
      The Create Snapshot pane is displayed.
   4. Optionally, enter a description for the snapshot.
   5. Click Create Snapshot.
3. In the Amazon Web Services EC2 Dashboard under ELASTIC BLOCK STORE > Volumes, locate the currently attached database EBS volume to enlarge, right-click it and click Modify Volume.
   The Modify Volume window is displayed.
4. Increase the size to the desired size.
5. Click Modify.
6. Open an SSH session to the CTERA Portal instance and log in as the admin user.
7. Run the following:

   pvresize /dev/<disk id> (for example: /dev/xvdb)
   lvextend -l 100%VG -n /dev/DataPool/DataPool
   xfs_growfs /dev/mapper/DataPool-DataPool
   

The volume is enlarged.