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I have a virtual machine in an internal OpenStack environment. Today, it started misbehaving when a volume is removed and re-attached. In the following, the first two are correct, but the third is not:

# initial state ls /dev/vd* /dev/vda /dev/vda1 /dev/vda2 /dev/vdb /dev/vdb1 # detach volume after it has been unmounted ls /dev/vd* /dev/vda /dev/vda1 /dev/vda2 # several hours later, re-attach volume ls /dev/vd* /dev/vda /dev/vda1 /dev/vda2 /dev/vdc /dev/vdc1

It should be reattached as /dev/vdb and /dev/vdb1, not /dev/vdc and /dev/vdc1. Because it got attached in the wrong spot, mount -a no longer sees it. No other volumes were added or removed during this process. How can I force it to reattach as /dev/vdb?

The dashboard shows that the drive is attached as /dev/vdb.

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    Label your volumes and use LABEL= values in /etc/fstab so the disks will be found no matter what the /dev/ entry is. Commented Jul 16, 2020 at 1:53

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