Hi all：
I got a problem described in
https://bugs.launchpad.net/cinder/+bug/1452641,
and my colleague got another similar problem described in
https://bugs.launchpad.net/nova/+bug/1581367.
It's all about the storage backend ip change. With the storage backend,
not only Ceph but also IPSA
Hi all:
about https://bugs.launchpad.net/cinder/+bug/1452641 I submitted my
solution https://review.openstack.org/#/c/289813/.
VM startup or reboot failed when volume backend of ceph mon ip address
changed. And this bug also happens when vm deployed with
volume backend of IPSAN, when IPSAN
