Interlogix NVR 20 User Manual - Manual (Page 61)

TruVision NVR 20 User Manual 55
Chapter 2
TVN Advanced Topics
Summary
The following sections contain additional detailed information on the TVN 20.
HDD Configuration & Management
The TVN 20 offers a robust set of configuration options for video storage. Core
to this robustness is the ability to partition the hard drives into one or more
independent Hard Drive Groups consisting of one or more of the available hard
drives. The storage combinations include:
Recording Type Description
1 Normal HDD Recording
(Unit Default Configuration)
All cameras share the full available hard drive storage
on the unit
2 Redundant Camera Recording Allows specific cameras to be recorded on two different
Hard Drive Groups
3 Independent Hard Drive Recording
Groups Specific cameras can be assigned to specific Hard
Drive Groups typically in the case where some cameras
may need to be stored for different periods of time.
All recording methods have the advantage that if a drive fails, only that drive’s
data is potential at risk. The unit will continue to record to the other drives
without user intervention in the event of one or more hard drive failures.
Hard Drive Groups
Normally, all hard drives in a system are associated into a single volume or hard
drive group. The TVN 20 allows the user to sub-divide the available hard drives
into more than one grouping. Any number of hard drives may be configured in