The backup CLI takes the backup of the entire topology (for all the appliances) in the input to prepare for migration.

It is recommended to generate backups for entire topology at once for consistent backup. Backups are stored under /migrationVolume/tcaMgr-<IP>.

backup CLI Help

$ tcamigctl backup -h 
usage: tcamigctl backup [-h] [-c] input_file

Generates backup of the entire topology (for all the appliances) or given appliances in the input to prepare for migration. Runs the operation in the background

positional arguments:  
  input_file     input file containing TCA Manager and TCA-CP details  

options:  
  -h, --help     show this help message and exit  
  -c, --cleanup  if specified, cleans up the directory of old backups

Input is same as specified above.

backup CLI

tcamigctl backup input.json

Note:

By default, the migration tool does not delete any old backups attempted to preserve data. If backup exists, it is reused in retry attempts. You can provide -c option to cleanup up the existing backups before taking fresh backup.