Hi I have just installed a test OpenNebula system to figure out how it all hangs together, and see if I can use it for our development/support/projects departments.
I currently have: - on-ctrl 4Gb RAM 146Gb HD Centos 6.5 OpenNebula 4.10.1, installed as per http://docs.opennebula.org/4.10/design_and_installation/building_your_cloud/ignc.html Gluster 3.5.2, with on-node1 gluster volume mounted on /var/lib/one/datastores/0 (with datasores/1 linked to datastores/1) -on-node1 16Gb RAM 500Gb HD 3TB HD, shared via gluster volume gv-storage, replicated on on-node2 Centos 6.5 OpenNebula 4.10.1, installed as per http://docs.opennebula.org/4.10/design_and_installation/building_your_cloud/ignc.html Gluster 3.5.2 configured as per http://docs.opennebula.org/4.10/administration/storage/gluster_ds.html, with on-node1 gluster volume mounted on /var/lib/one/datastores/0 (with datasores/1 linked to datastores/1) -on-node2 16Gb RAM 500Gb HD 3TB HD, shared via gluster volume gv-storage, replicated on on-node1 Centos 6.5 OpenNebula 4.10.1, installed as per http://docs.opennebula.org/4.10/design_and_installation/building_your_cloud/ignc.html Gluster 3.5.2 configured as per http://docs.opennebula.org/4.10/administration/storage/gluster_ds.html, with on-node2 gluster volume mounted on /var/lib/one/datastores/0 (with datasores/1 linked to datastores/1) Hopefully this is not a massively stupid configuration. I appreciated my shared filesystems should be on some form of SAN/NAS, but everything I have is begged, stolen or borrowed, and I have been given a smaller budget than normal (usually 0). My question is, if I follow http://docs.opennebula.org/4.10/administration/storage/gluster_ds.html, at the stage "Configuring GlusterFS Datastore", I create the ds.conf, set the correct GLUSTER_HOST (using the same port listed on the web page) and GLUSTER_VOLUME name. When I run onedatastore create and then onedatastore list, the new datastore, ID 100, shows as the same size as the datastore directory on the ctrl server onedatastore list ID NAME SIZE AVAIL CLUSTER IMAGES TYPE DS TM 0 system 3T 95% - 0 sys - shared 1 default 3T 95% - 0 img fs shared 2 files 79G 95% - 0 fil fs ssh 100 glusterds 79G 95% - 0 img fs shared I am confused, I was expecting glusterds to be the same as the 0 System /1 default datastores. Do I actually need glusterds, or can I just go ahead and create my images on 1 default and have them used by the hosts (which have the gluster volume mounted on /var/lib/one/datastores/0 ). I have searched through the mail archive, and tried to follow what has been said there, but I still have a confused. Thanks in advance
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