Content of MaxDB complete backup

Hello,

I would like to know what is the content of MaxDB Complete Data Backup and what exactly can be restored from it?

I ask this because I need to create backup solution that will enable me to recover SAP system, OS backup + DB backup.

Another question is, if I have 5 months old OS backup and recent DB Complete Data Backup and nothing has changed during 5 months on OS level - only MaxDB data, should that be enough to restore SAP system to the time of last Complete Data Backup or is there anything else (MaxDB related) that should be also backed up?

(I did not mention log backups and incremental backups for case of simplicity of this question).

Thanks,

Sasha