On Check Point appliances, the size of the disk partitions is predefined.
On these appliances, you can modify the default disk partitions within the first 20 seconds. If you miss this window, the non-interactive installation then continues:
When installing Gaia on an Open Server, these partitions have default sizes:
You can change the sizes of the system-root and the logs partitions. The storage size assigned for backup and upgrade partitions is updated accordingly.
To change the partition size, see sk95566.