EMC Storage Product Knowledge Sharing

We have discuss about Fibre Technology in brief in earlier post. We will be discussing about FC Port Addressing and Fabric Ports. There are certain rules for Port addressing and different ports used for it. Lets summarise point for each in breif.FC Port Addressing:FC uses a 3 Byte address identifier. Dynamically assigned during the LOGIN process.Reserved well known addresses used for Fabric, Alias Server, or the Multicast Server - hex'FFFFF0' to hex'FFFFFE'. hex'FFFFFF' is the Broadcast address. Arbitrated Loop addresses are...

Lets discuss about LUNz/LUN_Z in Operating System specially in CLARiiON environment. We know that what is LUN?? LUN is nothing but logical slice of disc which stands for Logical Unit Number. This terminology comes with SCSI-3 group, if you want to know more just visit www.t10.org and www.t11.orgA SCSI-3 (SCC-2) term defined as "the logical unit number that an application client uses to communicate with, configure and determine information about an SCSI storage array and the logical units attached to it. The LUN_Z value shall...

Lets discuss about most important thing in SAN environment ZONING. Zoning is the only way to restrict access for storage to all the host. We will be discussing about Zoning in details.There are two type of Zoning basically : Hard Zoning and Soft Zoning. Lets first define what is Zoning??Zoning is nothing but map of host to device to device connectivity is overlaid on the storage networking fabric, reducing the risk of unauthorized access.Zoning supports the grouping of hosts, switches, and storage on the SAN, limiting access...