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03-14-2020 04:00 PM
03-14-2020 04:00 PM
Network / Switch configuration for MSA2052
Hi,
I am setting up a two node Windows Server 2019 Hyper V Cluster. I amplanning to use two 10 Gbe links from each controller to the storage VLAN on my C9300 switches. What is unclear to me is do I set this into on big LACP group or do I do something else. I plan to use Windows Server 2019 and MPIO. I plan to have a two node cluster, with two 10 Gbe links from each server. I am again assumming I should setup the these as an LACP group from both the Windows Server and the swith perspective.
Also, doe the MSA2052 support LACP groups, and does it support tagged VLAN traffic, or do I need to set the storage VLAN as the native VLAN on the switch ports?
I have tried to search for answers for this, but I have not found any document or article on netwoking best practices for the MSA2052, Cisco Catatalyst 9300, and Windows Server 2019 HyperV Cluster.
Any help is greatly appreciated.
Thx
Bryan
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03-14-2020 04:40 PM
03-14-2020 04:40 PM
Re: Network / Switch configuration for MSA2052
It seems to me that LACP and MPIO are somewhat exclusive each other...in any case LACP requires that physical member links are co-terminus on the same switching entity (a physical standalone switch or a virtual switch made of two or more ones using IRF, VSS, VSF, VSX or MC-LAGs technologies).
I'm not an HPE Employee

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03-14-2020 04:58 PM
03-14-2020 04:58 PM
Re: Network / Switch configuration for MSA2052
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03-14-2020 07:17 PM - edited 03-15-2020 08:48 AM
03-14-2020 07:17 PM - edited 03-15-2020 08:48 AM
Re: Network / Switch configuration for MSA2052
The MSA 2052 (SAN) doesn't support LACP on its Controllers' host ports facing the storage network(s) so you need to rely on MPIO or MCS implementations (references here, here, here, here and here <-- look for any reference about SAN iSCSI topology, SAN cabling and/or controllers' host ports configuration through CLI/SMU)...I think that topologically speaking if two 10G Switches are going to be used between your hosts and the MSA SAN controllers - so for your storage network portion or along with the production network - you could deploy these two Switches as either an IRF stack (AKA adopting the virtual switching approach) or as two standalone separate devices...in both cases LACP between MSA host ports and those Switches is not supported. Production Network links can instead be deployed using LACP between your hosts and the above switches (if collapsed approach is used) or to other if you segregate Storage/Production networks using totally different devices.
Edit: I think I found the document you can use as generic baseline for your iSCSI deployment. It's not based around MSA storage series but it explains some concepts and provide some suggestions that can be easily generalized (Network best practices, VLAN Tagging, iSCSI MPIO, etc.). It also treat separated storage/production or collapsed storage+production network scenarios (clearly all is biased on HPE FlexNetwork/FlexFabric Ethernet Switch series implementations - Standalone or IRF - that support FCoE/iSCSI protocols on their ethernet ports and HPE ProLiant servers hosts). Download it here. I admin I wasn't able to find a Validated Reference Design (VRD) about HPE MSA 2052 (or just 2050) SAN using iSCSI with possible detailed networking scenarios explained.
I'm not an HPE Employee

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