Characteristic

Local Storage

Virtual Storage (aSAN)

FC Storage

iSCSI Storage

Storage Location

Server local disk

Distributed cluster storage

Independent FC storage device

Independent iSCSI storage device

Deployment Method

Local RAID or JBOD

Distributed within cluster

Network connection

Network connection

Sharing Capability

Not supported

Supported within cluster

Supported across multiple hosts

Supported across multiple hosts

Redundancy Protection

Depends on RAID

Multi-replica protection

Depends on storage device

Depends on storage device

Performance

Medium

High (striping supported)

High

Medium

Scalability

Limited

Flexible (add nodes)

Flexible

Flexible

Management Complexity

Low

Medium

High

High

Cost

Low

Low

High

Medium