This is expected behavior for Reporter VA RP-V200.
The 8 TB disk is separate as below.
- Reporter base OS and Reporter Application
- Backup and Diagnostic
In the separate disk, Reporter calculates usable 7,641,530,286,080
bytes as the usable disk size.
You can confirm that value from alert_resources.cfg
of resource 0
Reporter Management Console: System Overview > SYSTEM DIAGNOSTICS > System Resources > Disk Storage transfer byte to TBbyte
as binary format
byte = 6.95