Handling large volumes that are above 16TB

Summary

When volumes grow over 16.4TB, policies can fail with an error of this type:

Exception: Volume of 17000GiB is too large for volume type sc1; maximum is 16384GiB

Description

The problem is resolved by adding specific backup copy volume sizes and types to the CPM server configuration. The procedure is as follows:

1. Connect via SSH to the N2W server, username cpmuser 

   (refer to this article for SSH config if required: How to connect to an instance in AWS using SSH)

2. Edit the file /cpmdata/conf/cpmserver.cfg.
3. If the file does not exist, create it using the command touch cpmserver.cfg.
4. Add or update the [backup_copy] section to:

       [backup_copy]
       max_size_for_medium_volume = 16384
       volume_type_for_medium_volume = sc1
       volume_type_for_large_volume = gp3

1. Save the changes.
2. When no backup is running, restart the apache server and agent:

          sudo service apache2 restart

Confirmation Steps

Re-run the affected policy