Re: [openstack-dev] [cinder] Cinder with remote LVM proposal

2017-02-01 Thread Marco Marino
Hi Erlon, hi Philipp thank you for your answers. I will try to explain with a real case: @Erlon: I have 2 nodes that works as a SAN with targetcli and DRBD for a raid over network. This cluster can be seen as an "ISCSI node". Furthermore, I have 2 nodes with openstack-cinder-volume (with pacemaker

Re: [openstack-dev] [cinder] Cinder with remote LVM proposal

2017-02-01 Thread Philipp Marek
Hi everybody, > > 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 (c

Re: [openstack-dev] [cinder] Cinder with remote LVM proposal

2017-02-01 Thread Erlon Cruz
Hi Marco, What you are proposing is almost like to create an LVM storage box. I haven't seen any real benefit from the advantages you listed. For 1), the same problems you can have upgrading the services within the same node will happen if the LVM services are not in the same host. For, 2), now yo

[openstack-dev] [cinder] Cinder with remote LVM proposal

2017-02-01 Thread Marco Marino
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