several stores data on the same disks

It's so strange. I can't create several stores data on the same drive. I have a 2 TB plugged on my server (motherboard) disk and after that I created my first store of data (100 GB), when I return to create another, that the drive isn't an option for me to create a new data store of. When I delete the data store, the drive comes as an option to create a new data store of. WTF?

of http://pubs.vmware.com/vsphere-esx-4-1/wwhelp/wwhimpl/js/html/wwhelp.htm#href=fc_san_config/c_making_lun_decisions.html

A logic unit number must contain only a single VMFS data store.

I guess the reason for this is a SCSI reservation. Even if this has been significantly reduced in 4.x it is still necessary for some operations. Each SCSI reservation - even if this is necessary for an operation on a datastore - locks the entire disk and could therefore cause problems on other stores of data on the same drive.

André

Tags: VMware

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