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тАО06-21-2007 03:49 AM
тАО06-21-2007 03:49 AM
Config: 2 controller 2 embeded 2/8 san switch
2 dl385 g2 with 1 dual port hba each.
One port on the server to one switch and the other port to the other switch.
I Know that the controller do a Lun failover. But must I not configure the SSP with the WWN for port2 on each HBA? Or how will the failover work if the controller doesent know about which lun to which wwn.
CeGe
Solved! Go to Solution.
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тАО06-21-2007 04:38 AM
тАО06-21-2007 04:38 AM
Re: MSA 1000 HA MultiPath
VMWare will handle the multipaths to the LUN's. When you configure the SSP (and zoning) to the VMWare ESX Server you will need to go into the Virtual Infrastructure Client, select the VMWare server that you just configured the SSP for, select the "configuration" tab, select "storage adapters" and in the upper right hand click on "Rescan".
You should see the drives that are configured for the ESX Server.
Phil
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тАО06-21-2007 05:44 AM
тАО06-21-2007 05:44 AM
Re: MSA 1000 HA MultiPath
But I can not se the wwn from the ports that are in the second switch shall I use isl trunking or how shall I do to see the wwn from the secondary switch.
I am using active/passive config on the MSA
Christian
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тАО06-21-2007 06:40 AM
тАО06-21-2007 06:40 AM
Re: MSA 1000 HA MultiPath
Also, make sure that the zoning is correct on the second switch as well.
Phil
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тАО06-21-2007 07:03 AM
тАО06-21-2007 07:03 AM
Re: MSA 1000 HA MultiPath
Thanks for your awnser.
One last question, can I put the second port hba in to the active switch and configure ssp/wwn and than put it back to the secondary switch?
CeGe
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тАО06-21-2007 07:53 AM
тАО06-21-2007 07:53 AM
SolutionPhil
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тАО06-21-2007 07:16 PM
тАО06-21-2007 07:16 PM
Re: MSA 1000 HA MultiPath
Thanks for your advise.
CeGe
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тАО06-26-2007 02:38 AM
тАО06-26-2007 02:38 AM
Re: MSA 1000 HA MultiPath
Now I have tested and read a lot of forums and pdf-whoto, but still no luck.
As I know it there is now way to se the wwn from a hba connected to the secondary embedded 2/8 switch on the active controller.
I do not want to upgrade the firmware to active/active due to esx-support, esx only supported with firmware 4.48 active/passive.
How shall I configure ssp so that the controller are aware of which wwn in the secondary switch can access the right lun?
My suggestion is to connect the secondary hba to the primary switch and set ssp to the correct lun and than put back the hba to the secondary switch. Than the ssp will be correct if a failover occurs.
Is this a possible way to solve this issue?
CeGe
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тАО06-26-2007 04:54 AM
тАО06-26-2007 04:54 AM
Re: MSA 1000 HA MultiPath
--
The standby controller MUST be 'seen' by the second switch - else there is a confiugration problem. And the standby controller MUST have recognized the second Fibre Channel adapter of the host.
You definitely need two 'connection objects' in the controller namespace to be able to properly set up SSP.
The reason is, because the standby controller does present the logical disks as well to the
host so that its failover software is aware of the standby path.
Maybe the controller just needs a Fabric event (a poll from the adapter firmware, for example) to notice it's WWN.