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Virtual Storage Area Network

 

VSAN is a hyper-converged, software-defined storage product that pools together direct-attached storage devices across hosts to create a distributed, shared data store. It maximizes the use of hardware resources while providing high performance.

  • •   VSAN eliminates the need of dedicated physical storage by mirroring internal disks between servers.
  • •   Create a fault-tolerant storage pool across servers.
  • •   Support servers from multiple vendors –no single vendor lockdown.

 

 

VSAN ADVANTAGES   

 

Data Protection

  

High Availability

  

Low TCO
         

High Performance

 

  

High Scalability

 

  

Easy management

 

How VSAN Function

 

 

Protect Against Failure

  1. 2 hosts (RAID 1- Mirroring)
1 host as “Witness”
  2. If 1 host disconnects without warning….

  3. VM will be immediately migrated to another available host

Note: More FTT (Failures to Tolerate) or RAID 5/6 can be achieved by adding more hosts

 

 

Ultra High Performance

 

  

VSAN：

- Fast & efficient I/O path
- Minimal Host CPU and I/O resources
- Stable performance
 

Other solutions:

- Resource-intensive storage controller on every host
- Inconsistent performance

 

 

Easy Management & Control