Some reads about iSCSI connection and deployement guide…


iSCSI has become widely used now from home lab to datacenters.  Whilst is not as widely used in production where FC is still a preferred solution, it is a smart move in branch office data centers or to store your virtual DEV environment for instance. Consolidation and lowering the TCO becoming the key pair.

Even if the performances are not as good comparing to FC SANs the price IS very attractive. True that iSCSI is younger and has still a lot to prove comparing to FC but it is getting better as it becomes more widely deployed.

 

A basic difference between iSCSI and Fibre Channel is that when an iSCSI path is overloaded, the TCP/IP protocol drops packets and requires them to be resent. Fibre Channel communications over a dedicated path are not at risk of being overloaded. When a network path carrying iSCSI storage traffic is oversubscribed, a bad situation quickly grows worse and performance further degrades as dropped packets must be resent…”

 

 

 iscsi-design

You want to deploy iSCSI in your environment, here is a must read at VMware.com

From Vladan Seget, a step by step guide to configure OpenFiler iSCSI Storage for use with VMware ESX

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About PiroNet

Didier Pironet is an independent blogger and freelancer with +15 years of IT industry experience. Didier is also a former VMware inc. employee where he specialised in Datacenter and Cloud Infrastructure products as well as Infrastructure, Operations and IT Business Management products. Didier is passionate about technologies and he is found to be a creative and a visionary thinker, expressing with passion and excitement, hopefully inspiring and enrolling people to innovation and change.
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