318 Matrix SATATYA Devices Manual
RAID Concept
RAID level is used to improve the performance of the system by load sharing and providing fault tolerance and
redundancy. This maintains redundant data which can be used to restore data on the event of disk failure.
SATATYA HDD Management allows the HDD modes according to the way of storing the data in multiple physical
disks interfaced to the NVR. Each physical disk is considered as an Individual memory slot; and the data is filled up
in succession.
SATATYA Devices supports High reliability RAID 0, RAID 1, RAID 5 and RAID 10 HDD modes. In which, SATATYA
NVR and HVR variants supports RAID 0 and RAID 1 HDD modes. SATATYA NVRX Series variants supports RAID
0, RAID 1, RAID 5 and RAID 10 HDD modes. For the detailed explanations of supported RAID types, See “Types of
HDD Modes in NVRX” on page 318.
Among all the NVRX variants, there is difference in number of available SATA interfaces and Ethernet ports. So
based on SATA interfaces, RAID level can be configured. For the RAID creation using different combinations of
HDD. See “RAID Creation in NVRX series variants” on page 322.
Types of HDD Modes in NVRX
Single Disk Volume
In Single Disk Volume each physical disk is considered as an Individual memory slot; and the data is filled up in
succession.
Total Logical Volume Calculation
If Volume of HDD1= V1, then Logical Volume= V1
Suppose HDD1= 2TB, then Logical Volume= 2TB
RAID 0
Minimum 2 HDDs are required. The data is striped in the 2 blocks. Thus, the data stored in disk 1 will not be
available in disk 2. Hence, there is no redundant data available.
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