I experimented with vSAN 6.1, then removed the test cluster with esxi-hosts (the absolutely correct way, with the elimination of hosts vSphere).
After that, I completely reinstalled hypervisor esxi on the hosts, created a new cluster and introduced it hosts.
However, Disk Managment in vSAN appeared old disk group from a deleted cluster marked "Absent". How can this be?
Now I can not remove this non-existent disk group.
In the WEB-client is issued a message: "A general system error occurred: Disk is not mounted on this host".
For the command line "esxcli vsan storage remove -s" the message: "Unable to remove device: Disk mapping is not mounted on this host"
Help please - how to delete group?
I fixed my problem:
1. Made every problem disk in RAID0, reboot
2. Return every disk in JBOD, reboot
3. All work! And no wrong disk groups!