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connecting iscsi san with two esx host servers
Posted on 2012-03-30
I have a iscsi san, I created using starwind and I have two esx host servers I want to connect it two using an cisco 3550 switch. How do I configure the switch? this switch will only be connected to the san and two servers and not the rest of the network
I have 4 nic cards on all three of the devices, would it be wise to have two nics connected from each server to the storage and the other two nics for VMs to use?
I have 4 nic cards on all three of the devices, would it be wise to have two nics connected from each server to the storage and the other two nics for VMs to use?
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For Cisco 3550 I'd check out Etherchannel...
http://www.cisco.com/en/US/docs/switches/lan/catalyst3550/software/release/12.1_13_ea1/configuration/guide/swethchl.html#wp1054393
I'd setup an LACP on the Cisco. LACP is defined in IEEE 802.3AD.
Check out the VMware KB...
http://kb.vmware.com/selfservice/microsites/search.do?language=en_US&cmd=displayKC&externalId=1004048
It'll layout how to setup Etherchannel on the switch and on the Hosts.
Since this switch is used for the SAN, I'd stay away from spanning-tree and vlans.
Your switch is also a single point of failure. You may, as you wrote, just forget about the cisco switch and connect the two hosts to the san directly. This option would depend on your san config and how the nics are setup.
http://www.cisco.com/en/US/docs/switches/lan/catalyst3550/software/release/12.1_13_ea1/configuration/guide/swethchl.html#wp1054393
I'd setup an LACP on the Cisco. LACP is defined in IEEE 802.3AD.
Check out the VMware KB...
http://kb.vmware.com/selfservice/microsites/search.do?language=en_US&cmd=displayKC&externalId=1004048
It'll layout how to setup Etherchannel on the switch and on the Hosts.
Since this switch is used for the SAN, I'd stay away from spanning-tree and vlans.
Your switch is also a single point of failure. You may, as you wrote, just forget about the cisco switch and connect the two hosts to the san directly. This option would depend on your san config and how the nics are setup.
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