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20564
April 20th, 2012 04:00
Dell EqualLogic MPIO
I have three dell EqualLogics which i intend to use at one site with three R910's dell servers. On the switch level i also have three dell powerconnects that i have stacked. What would be the recommended redundancy path i should take for my SAN with regard to wiring? I also intend to use one EqualLogic and one Dell R910 on the replication site. is this a good idea? The plan is to have three Vlans, 1. Management. 2. VM traffic. 3.iSCSI traffic. I intend to isolate the iSCSI traffic from the rest of the network. My problem is i am new to this and i was wondering if i could get help on how to configure this. or a sample config if anyone has a similar setup. I am using xenserver environment.
Joe S586
7 Technologist
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729 Posts
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April 20th, 2012 05:00
You will first want to review the Hardware installation and setup guides (the EqualLogic guides are located on the support site (support.equallogic.com), go to Resources> Documentation, and find the make and model for your array)
The Dell TechCenter also has a lot of information that you can look at: en.community.dell.com/.../2632.storage-infrastructure-and-solutions-team-publications.aspx
Also suggested that you read the EqualLogic Configuration Guide:
en.community.dell.com/.../2639.equallogic-configuration-guide.aspx
Your design appears to be correct, with the management, vm and iSCSI on separate VLANs, in fact this is the defacto standard. Just ensure that you don’t use the default VLAN for iSCSI. Also, the management network VLAN is typically your local LAN configuration (so you can manage the arrays directly from a system on the LAN).
You will also need to ensure that when setting up Replication, that the Group IP and all eth interfaces on all the members are routable from both directions.
On the EqualLogic support (support.equallogic.com) site is a KB article to review as to what port you will need open on your firewalls and routers for replications. Go to Resources> Knowledgebase, search for Network ports, and you should see a KB titled: ARRAY: Network ports used by a PS Series group.
-joe
sketchy00
203 Posts
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April 20th, 2012 08:00
Do you have enough equipment to split out your switching needs for your SAN? Having dedicated switchgear for just your iSCSI traffic is really the way to go. It is technically possible to have all of your traffic running through that single stack, but far from recommended.