SAN vs NAS

SAN vs NAS

1. SAN

   • Multiple devices
   • Fiber Channel (FC)
     • High speed
   • Highly expensive
   • Complex setup
   • Block level data access
   • Appears to OS as an attached storage
   • Depends on architecture changes
   • More scalability
   • More failure tolerant

2. NAS

   • Single storage
   • Ethernet
     • More slower
   • Inexpensive
   • Easy to setup
   • File level data access
   • Appears to OS as a shared file or folder
   • Depends on networks such as LAN
   • Less scalability
   • Less failure tolerant