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ESXi direct connection from SYNERGY interconnects to Alletra storage

 
daliborazure
Frequent Advisor

ESXi direct connection from SYNERGY interconnects to Alletra storage

Hi

 

We are getting new HPE Alletra B series storage with HPE Synergy 12000 frame  where ESXi servers will be installed. ESXi servers will use iSCSI to communicate to storage. ESXi hosts will use interconnects F32 100 GB direct connection to storage so there will not be any ethernet switch

So I have 2 scenarios in following images and my preferrence would be Scenario A

 

I would just like someone if you can confirm that this would be preferred connection with iSCSI. I know that with fabric channel scenario A would be also preferred but just wondering if this would be the same for iSCSI

scenario B.jpgScenario A.jpg

4 REPLIES 4
support_s
System Recommended

Query: ESXi direct connection from SYNERGY interconnects to Alletra storage

System recommended content:

1. HPE Ethernet 53x, FlexFabric 53x/63x, and Synergy Converged Network Adapters | ESXi iSCSI Boot from SAN for Synergy

2. HPE Synergy 12000 Frame Setup and Installation Guide | HPE Synergy Cabling

 

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buzzsubash
HPE Pro

Re: ESXi direct connection from SYNERGY interconnects to Alletra storage

Yes, Scenario A makes more sense, each switch connects to both controllers on the array. It should be fine for single iscsi subnet scenarios.

However, if you are planning for multiple iSCSI subnets, then it's recommended to dedicate a switch for each subnet, atleast on nimble, alletra 5k-6k arrays. Not sure, if it varies much on MP block, I will let the experts answer.

 

Subash Geetha Krishnan
HPE Services – Hybrid Cloud Support

I work at HPE
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[Any personal opinions expressed are mine, and not official statements on behalf of Hewlett Packard Enterprise]
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Cali
Honored Contributor

Re: ESXi direct connection from SYNERGY interconnects to Alletra storage

Hello,

i'm not a Synergy expert, but I know that the Alletra B10k doesn't support iSCSI direct connect.
As far as I remember, the Virtual Connect switches don't act as real switches, they are transparent to the host.
But that would mean it's practically equivalent to a "direct connect," which the storage doesn't support.
Or am I wrong?

Bild 2025-04-25-14-09-52.png

Cali

ACP IT Solutions AGI'm not an HPE employee, so I can be wrong.
support_s
System Recommended

Query: ESXi direct connection from SYNERGY interconnects to Alletra storage

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