This is t a systems failure, it's a process failure.
Why was the data unavailable? Hardware failure
Why wasn't the most recent version available? The operator didn't manually do a "full" backup
Why did the operator need to manually start a full backup? only some sub directories were periodically backed up
Why was the most recent periodic backup unusable?
The backup system recorded partial contents for an unknown reason.
Why was the backup system recording partial content?
There is no system for restore verification and content checksum comparison.
Why was critical correspondence unacknowledged?
The email reception is system is non redundant.
Why was the data unavailable? Hardware failure Why wasn't the most recent version available? The operator didn't manually do a "full" backup Why did the operator need to manually start a full backup? only some sub directories were periodically backed up Why was the most recent periodic backup unusable? The backup system recorded partial contents for an unknown reason. Why was the backup system recording partial content? There is no system for restore verification and content checksum comparison. Why was critical correspondence unacknowledged? The email reception is system is non redundant.
I'll let you right up the action items here.