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Vcenter 5.5 RDM MSCS disk went offline after cluster validation with errors

Posted on 2016-10-05
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Last Modified: 2016-10-07
I have configured 2 nodes with SCSI Control set to physical and on the 2nd node i add the hard disk from existing hard disk on the path of the vmdk of 1 node.

hard disk on both nodes the initialized everything seems to be fine but during the cluster validation setup the hard disk will go offline.

in event id i can see error 55 and 153. attached are some screenshot. can some advise me what i might be doing wrong?
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Question by:akosinoah
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Luciano Patrão earned 2000 total points
ID: 41834502
Hi,

First what Windows are you using to create that Cluster?

Important: Controllers
Windows Server 2003 SP1 and SP2: LSI Logic Parallel
Windows Server 2008 SP2 and above: LSI Logic SAS


For the first node:

Expand the New Hard Disk From the Virtual Device Node drop-down menu, select a new SCSI controller (for example, SCSI (1:0)).
NOTE: You must select a new virtual device node. You cannot use SCSI 0.


Second node:

Click the New device drop-down menu, select Existing Hard Disk, and click Add.
3   In Disk File Path, browse to the location of the quorum disk specified for the first node.
4   Select Physical as the compatibility mode and click Next.
5   Select the same virtual device node you chose for the first virtual machine’s shared storage disks (for example, SCSI (1:0)), and click OK.
NOTE: The location of the virtual device node for this virtual machine’s shared storage must match the corresponding virtual device node for the first virtual machine.


Check here how to in ESXi 5.5: http://pubs.vmware.com/vsphere-55/topic/com.vmware.ICbase/PDF/vsphere-esxi-vcenter-server-55-setup-mscs.pdf 

Also check here the requirements and limitations for each version(ESXi and Guest OS): https://kb.vmware.com/kb/1004617

Hope this can help

Jail
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