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Virtual Switching System

Introduction The Cisco Catalyst 4500,6500 Series Virtual Switching System (VSS) allows the clustering of two or more physical chassis together into a single, logical entity. This technology allows for enhancements in all areas of network design, including high availability, scalability, management, and maintenance. This paper explains the Cisco VSS technology, including its benefits and requirements. … Continue reading

Virtual Port Channel (vPC) basic

vPC Technology has been introduced by Cisco Nexus OS as a key component of Cisco Data Center Networking architecture. The major benefits it brings are: Loop avoidance logic allows 2 physical connections from 1 device to 2 Nexus Switches to operate in active/active mode and eliminate STP blocked port to fully utilize the uplink bandwidth. … Continue reading

DWDM 100G

     

The IBM’s StorageManager simulators

http://www.jimlatham21.com/storage/sims.html

Cluster data storage NFS,iSCSi, FC with vShere 5

Whats-New-VMware-vSphere-50-Storage-Technical-Whitepaper

How to install Guest OS 64 bit in ESX 4.1 on workstation 8.

Install Guest OS 64 bit in ESX 4.1 on workstation 8 0.X86 virtualization ? 1.Check your CPU support VT-x/EPT (Intel) or AMD-V/RVI Verify Intel’s cpu support VT at link http://www.intel.com/support/processors/sb/cs-030729.htm#1 Verify Intel’s cpu support EPT at link http://ark.intel.com/Products/VirtualizationTechnolog 2.Enable VT-x/EPT (Intel) on ESX i to support Guest OS 64 bit

Data center Top of Rack and End of Row Design

Cabling architectures lay the infrastructure foundation for data center networks. Sometimes overlooked, physical layer connectivity is a necessity that requires careful planning and consideration when choosing a cabling architecture. There are several types of cabling architectures found in the data center; direct-connect, zone-distribution, and top-of-rack (ToR). Each architecture offers advantages over the others depending on … Continue reading

Components of SAN

Using the SAN components The foundation that a SAN is built on is the interconnection of storage devices and servers. This section further discusses storage, interconnection components, and servers, and how different types of servers and storage are used in a typical SAN environment. Storage This section briefly describes the main types of storage devices … Continue reading

SAN overview

Why use a SAN? In this section we describe the main motivators that drive SAN implementations, and present some of the key benefits that this technology might bring to data-dependent business. The problem Distributed clients and servers are frequently chosen to meet specific application needs. They may, therefore, run different operating systems (such as Windows … Continue reading

TIA-942-Infrastructure standard for Data center

The standard covers the following • Site space and layout • Cabling infrastructure • Tiered reliability • Environmental considerations Site Space and Layout Proper space allocation for a data centre starts with ensuring that space can be easily reallocated tochanging environments and growth. Designers must strike a balance between acceptable initial deploymentcosts and anticipated space … Continue reading