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pkw0815

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Prevent ESX Server from taking over temporarily available iSCSI targets

I have one san with 4 software iSCSI targets managed by Star Wind iSCSI from Rocketdivision.
Three of them are targets for GSX Servers, which are suspended every night when they are backed up.
Now I set up a new ESX Server which uses the 4th target - ok until here.

In the night when the 3 targets get available because of the backup ESX Server "catches" them all and when the GSX VM's come back their targets disappered.

How can I prevent VMware's ESX Server from taking over temporarily available iSCSI targets?

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HeinoSkov
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pkw0815

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Tried it but gave up because the MS iSCSI Initiator seems to 'forget' the credentials. Will give it another try (noticed that there is a new version) if nobody knows a solution for VMware's side.
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This can be done by "masking" the targets on your SAN controller so that they can only be seen from certain initiators.

How this is done for your box specifically, I can not tell.

On some iSCSI controllers,  you can assign the iSCSI initiators to a group, then map that group to a LUN. This way, the LUN is only visible to the initiators you defined in the group.

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@HeinoSkov
Thanks a lot - either the new version of MS iSCSI Initiator did it or I did something wrong in my first try. Anyway.

@robocat
Thanks too for your response - since HeinoSkov's solution helped me I didn't try yours.