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GNR-3000 System Administrator's Manual
Windows Volume Types Comparison
For the pursuit of data redundancy, which can still recover all the recordings after one disk
fails, it is suggested that you make a Mirrored Volume out of two disks of large capacity.
If there are quite a few high-megapixel live channels in your system, with one or more clients
frequently accessing Live View and Playback, you may consider making a Striped Volume
that provides the maximum possible capacity with high performance but no failure tolerance.
The table below is based on the available configurations of GNR.
Volume Type
Corresponding RAID Type
Minimum Number of
Disks required
Capacity
*Storage Efficiency
Fault Tolerance
Write Speed
Read Speed
N
= the number of disks
V= the disk capacity
(V
(*)This result is obtained based on the assumption that the disks are of the same capacity.
Simple
Spanned
JBOD
1
V
V
+V
1
None
None
= the capacity of the disk with the smallest storage in the array)
min
28
Striped
RAID 0
2
2
+
+V
V
x
N
...
2
N
min
None
Mirrored
RAID 1
2
V
min
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