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VSANDatastore unable to create object

VMWARE 6.5 VSAN

My vCenter and ESXI host are all up to date with updates.

I am new to using VSAN in a VMWARE environment.

I posted this question on the VMware forum and got a nasty response not happy with them now.

Hoping one of you guys can help me.

I setting up the VSAN Cluster I had to modify my Cisco 3750 switch to change the MTU from 1500 to MTU 9000 Jumbo frames.

I also changed the Vswitches from MTU 1500 to MTU 9000
And all the VMKERNAL Adapters from MTU 1500 to MTU 9000

After I made that change my VSANDatastsore went from ZERO to 7 TB

Problem I have now is that I am unable to write to the vsandatastore.

I found this article

https://www.virtual-allan.com/vsan-error-cannot-complete-file-creation-operation/ 

 

I ran this on each host in the cluster, got the same results for all a ZERO

 
 vsish -e get /vmkModules/vsanutil/stretchedClusterMode
0

I checked the permissions on the vsandatastore and they match my other datastores.

I am trying to use this space for my Veeam Replication jobs they all failed to write to the VSANDatastore.

Any ideas on what I am missing here? any commands I can run to gather more details to help troubleshoot this issue?

Thank you

Tom
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