HyperV cluster ISCSI Storage Issue
Hello all,
I have a client that has an issue with their ISCSI connectivity to HyperV Cluster, The ISCSI is configured with two 10GB ports with teaming config as well. each of these port has a cable going to a different Switch. The network team has checked the switches and they can see traffic going sometimes from Switch A and other times from Switch B.
But passing this switch to the Storage there's nothing going there.. I would like to know if distributing these two physical network ports on a different switch is the right thing to do or not when Teaming is configured ?
If it's ok what else do I have to check?
Thanks a lot
I have a client that has an issue with their ISCSI connectivity to HyperV Cluster, The ISCSI is configured with two 10GB ports with teaming config as well. each of these port has a cable going to a different Switch. The network team has checked the switches and they can see traffic going sometimes from Switch A and other times from Switch B.
But passing this switch to the Storage there's nothing going there.. I would like to know if distributing these two physical network ports on a different switch is the right thing to do or not when Teaming is configured ?
If it's ok what else do I have to check?
Thanks a lot
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It very much depends on the iSCSI SAN, most if not all iSCSI SANs, use Multi-path to support different pathways and resilience, and throughput for iSCSI and teaming is NOT supported.
Using dedicated physical network interfaces, or vLANS to create an iSCSI Storage network.
Some SAN Vendors, have specific software to install on Windows to create these links and configuration e.g. Dell Equallogic has a Host Kit which needs to be installed and configured, and also enabling Jumbo Frames.
So I would consult with SAN vendor as to what is recommended. e.g. Some EMC SANs do support networking teaming.
So first you need to establish, what method of resilience is supported, multi-path (MPIO) or teaming from the SAN vendor.
Using dedicated physical network interfaces, or vLANS to create an iSCSI Storage network.
Some SAN Vendors, have specific software to install on Windows to create these links and configuration e.g. Dell Equallogic has a Host Kit which needs to be installed and configured, and also enabling Jumbo Frames.
So I would consult with SAN vendor as to what is recommended. e.g. Some EMC SANs do support networking teaming.
So first you need to establish, what method of resilience is supported, multi-path (MPIO) or teaming from the SAN vendor.
Hi Andrew, I will get these information and build my assumptions based on it and will let you know as soon as I have all in hand.
Thanks a lot for your comment
Thanks a lot for your comment
Hi again Andrew,
There seems to be no SAN, Client is using HP MSA 2040 Storage, Disks are SAS 10k
4 port iSCSI are connected directly to the Switch.
It seems those support ISCSI as I can see the in HP's site of this product
https://www.hpe.com/h20195/v2/GetPDF.aspx/c04123144
There seems to be no SAN, Client is using HP MSA 2040 Storage, Disks are SAS 10k
4 port iSCSI are connected directly to the Switch.
It seems those support ISCSI as I can see the in HP's site of this product
https://www.hpe.com/h20195/v2/GetPDF.aspx/c04123144
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