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17679
May 31st, 2012 02:00
Multipathing and HIT for / in VMware
Hi,
i have one question to you. We have some equallogic 6010 with 10 gig interfaces. They are connected to a few vmware vShere 5.0 hosts. The vmware hosts have installed the multipathing extension module.
If i configure a new vm with direct access to a new equallogic volume i give them only one nic? After the windows installation in this vm i install the HIT for windows. Is there any redundancy through vmware or should i configure two nic's for the vm?
Kind regards
D.Hoeppner
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DurkinR
50 Posts
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June 1st, 2012 11:00
Hello D.
You will need to assign two vNICs, and those physical NICs should be connected to your SAN switches. I also recommend you use a seperate vSwitch for your guest iSCSI access, with two port groups, each port group mapped to a single physical NIC, with NIC teaming disabled (for each port group,set the first adapter Active, second adapter Not Used, reveserve it for the second port group). This is how I used to do it when we used guest iSCSI, which we now avoid if possible. Then you will use the HIT kit to configure the iSCSI initiator to multipath to your storage, just like you would a physical Windows server.
I'm curious as to why you are configuring a new VM with direct access and not using the VMware iSCSI connection to connect to the LUN?
sketchy00
203 Posts
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June 19th, 2012 14:00
Good explanation Don.