Q

FC and SCSI topology

This Content Component encountered an error

Since FC is a topology that supports SCSI protocol, in what way is it more significant than SCSI topology? Could you provide me with the answer as well as give me information about where I could find more details regarding the same?

Although Fibre Channel utilizes the SCSI protocol for block based disk I/O, Fibre also has the capability to run multiple protocols at the same time. The Fibre spec is very open, and the Fibre cables themselves are just the underlying transport that enable great distances between servers and storage,(up to 100km) and also enables storage consolidation for access by many nodes.

SCSI on the other hand only supports a max of 15 nodes per bus, is limited to 25 meters for differential SCSI and requires proper termination to prevent signal reflection. Fibre in a fabric topology can scale to thousands of nodes, is unlimited in the amount of storage being accessed, is tamper proof because it's optical, and enables things like LAN free backup, remote replication, wide area clustering, dual pathing, dual ported access, hardware based volume shadowing, etc.

For more information on the benefits of Fibre, just look through this searchStorage site!!, and go to http://www.fibrechannel.org/, or http://www.snia.org


This was first published in April 2001

Dig deeper on Fibre Channel (FC) SAN

Pro+

Features

Enjoy the benefits of Pro+ membership, learn more and join.

Have a question for an expert?

Please add a title for your question

Get answers from a TechTarget expert on whatever's puzzling you.

You will be able to add details on the next page.

0 comments

Oldest 

Forgot Password?

No problem! Submit your e-mail address below. We'll send you an email containing your password.

Your password has been sent to:

-ADS BY GOOGLE

SearchSolidStateStorage

SearchVirtualStorage

SearchCloudStorage

SearchDisasterRecovery

SearchDataBackup

Close