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NetApp FAS 3020 iSCSI/CIFS LAN setup

Posted on 2008-10-25
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Customer has a FAS 3020 which has 4 ethernet host ports but only one is connected and is running both iSCSI for block level storage and CIFS for the users' home directories on a single gigabit Ethernet cable.

I would like to have 2 ports running MPIO or driver-based multi-pathing for the iSCSI side and have the other 2 ports running 802.3ad Link Aggregation Control Protocol for the LAN traffic. (I can do without LACP and force the switch to use Cisco fast etherchannel if needed).

Anyone got instructions on how to set that up? I hate to have SAN and LAN on trhe same interface if I can avoid it.

I know how to configure the servers for MPIO and the switches for LACP but I don't know NetApp.
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Question by:andyalder
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by:kyleb84
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I've scoured the whitepapers, and searched through the technical specs.

NetApp does not support any type of Link aggregation.
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by:andyalder
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I found http://blog.scottlowe.org/2008/01/08/lacp-with-cisco-switches-and-netapp-vifs/ but I can't access NetApp site. Waiting for them to authorize my login.
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by:andyalder
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http://www.netapp.com/us/products/protocols/ip-san/ipsan-host.html - so a whole bunch of multipath DSMs for Windows MPIO, now to work out how to split the iSCSI from the LAN traffic.
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by:robocat
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The best way to separate ISCSI traffic is to use a different VLAN, with a different IP range. Put all ISCSI initiator and target ports in this VLAN. On the Netapp side, you can choose to enable ISCSI only on the ports you want, so disable ISCSI on the normal LAN interface.

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by:andyalder
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Yes 'cat, that's what I'm asking how to do. I'll actually recommend a seperate isolated switch for at least one half of the SAN rather than VLAN it to keep up the principle of seperate fabrics as done with F/C.
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1. on the Netapp, create a VIF out of the interfaces you want to use  (network->add virtual interface), assign an IP in the range of your storage VLAN and disable ISCSI on all other interfaces/VIFs (LUNs->ISCSI->manage interfaces).

This is all easily done using the NetApp filerview.

2. on VMWare, create a VMkernel vswitch dedicated for iscsi , add the interfaces you want, and assign an IP out of the same range as above.
If you need details for these steps, check the excellent ESX manuals you can find on the vmware website.

3. Configure your vmware storage LUNs as usual, using the IP addresses you assigned above.
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