Hi, I'd like to know if it is possible to use openstack-cinder-volume with a remote LVM. This could be a new feature proposal if the idea is good. More precisely, I'm thinking a solution where openstack-cinder-volume runs on a dedicated node and LVM on another node (called "storage node"). On the storage node I need to have a volume group (normally named cinder-volumes) and the targetcli package, so the iscsi_ip_address in cinder.conf should be an address associated with the storage node. Advantages of this solution are: 1) When I need to upgrade openstack I can leave out the storage node from the process (because it has only LVM and targetcli or another daemon used for iscsi targets). 2) Down on the cinder-volume node cannot creates problems to the iscsi part exposed to vms. 3) Support to the open source world in cinder: LVM is the common solution for cinder in low budget environment but performance are good if the storage node is powerful enough
In my idea, the "interface" between openstack-cinder-volume and lvm can be SSH. Basically we need to create/remove/manage logical volumes on a remote node and the same for the iscsi targets Please, let me know if this can be a valid solution. Thank you Marco
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