i have vcenter 5.5 u2 and esxi 5.5 u2 cluster. now i want to create shared disk vmdk bettween two redhat enterprise 7.0 linux. not redhat cluster.
is it possible and vmotion is working?
you can do the vmotion.
Migrating virtual machines with Raw Device Mappings (RDMs) (1005241) | VMware KB
As you mention shared vmdk, you will use shared SCSI controller and vmotion will not work . https://kb.vmware.com/selfservice/microsites/search.do?language=en_US&cmd=displayKC&externalId=10037...
You might be doing it following Enabling or disabling simultaneous write protection provided by VMFS using the multi-writer flag (10... , but it clearly states that might cause data corruption.Read that KB really thoroughly and be sure you know what you are doing and that you have a backup .