Multi-Attach

Volume multi-attach enables simultaneously attaching a volume to multiple hosts/servers.

Note

You should ensure that a multi-attach or clustered file system is used on the volumes. Otherwise there could be a high probability of data corruption.

To attach a volume to multiple server instances (VMs), you will need to create a ‘multi-attach’ volume type, and then create a volume of type as multi-attach. You should ensure that you have the right role and policy settings before performing this operation.

The only way to create a multi-attach volume is by creating a multi-attach volume type and using it to create the volume.

openstack volume type create multiattach_1
openstack volume type set --property multiattach="<is> True" multiattach_1
openstack volume create --size 10 --type multiattach_1 my-volume_1


Powered by DeveloperHub
Next to read:
Extending a Volume

© 2026 Lightbits Labs™

On This Page
Multi-Attach