Category: SAN fundamentals

Fibre vs Fiber in SAN

Fibre vs Fiber in SAN

Fibre vs Fiber: Fibre Channel was originally designed to support fiber optic cabling only. But later copper cables are also used to avoid the damage due to heat produced in storage systems. The committee...

Zoning Enforcement

Zoning Enforcement

Zoning Enforcement Hardware Enforced Zoning: Hardware Enforced zoning is used by zones with all members defined by their <domain id, port> or all members defined by their WWN. This the strongest form of enforcement...

Connecting Devices to Brocade fabric

Connecting Devices to Brocade fabric

Connecting Devices to Brocade fabric To attach a device to a switch, power it on, wait for it to come up, and then plug it in to the switch port Optional steps for the...

Fibre Channel Frame

Fibre Channel Frame

Fibre Channel Frame   S O F HEADER PAYLOAD C R C E O F   4 24 2112 4 4   Fibre Channel places a restriction on the length of the data field...

SFP Types

SFP Types

SFP Types Short Wavelength (SWL) Long Wavelength (LWL) Extended Long Wavelength (ELWL) Wave Division Multiplexing (WDM)   SWL Fiber Optic SFP Module – Based on short-wavelength 850 nm lasers supporting 2 and 4 Gbit/sec...

What is Zoning?

What is Zoning?

Zoning Zoning means restricting to scope of an initiator (host) to particular target (storage array) in fabric. An initiator can see only the devices from particular storage array which is zoned to it. Zoning...

Fibre Channel Classes of service

Fibre Channel Classes of service

Classes of service Applications might require different levels of service and guarantees regarding delivery, connectivity and bandwidth. Some applications need to have bandwidth that is dedicated to them during the data exchange like Tape...

Converged Network Adapter

Converged Network Adapters Converged Network Adapters (CNAs) can run both Ethernet and Fibre Channel traffic at the same time. These CNAs combine the functions of an HBA and a Network Interface Card (NIC) on...