troubleshooting Question

Dell Powervault 3600f SAN configuration

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nmxsupport asked on
StorageServer HardwareDell
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Hello

We have a Dell 3600f SAN with dual controllers.
Additionally 6x wintel servers each with HBA with single fibre connection.

We started with a single server attached to controller 0 and all works fine, all LUNS are seen.  Afterwards a second server was attached to controller 1 and LUNs all seen apart from the first server that then lost all LUNs.  Ownwership/preferred path also moved to controller 1.

This is bad as I need all LUNs available on all directly attached servers on either controller.

According to the Dell info we can directly attach up to 4 servers in HA mode or 8 servers without HA.  I can only presume we are currently running HA (have no idea how to check this) and need to convert it.

The first server on controller 0 is running live data therefore have to be careful not to cause further problems.

Any ideas how to deal with this one?  We cannot contact Dell as the support contract is with another organisation that is struggling to find an answer too.

Thank you.
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