Morning all .. I have a simple 3 node 2 osd cluster setup serving VM Images (proxmox). The two OSD's are on the two VM hosts. Size is set to 2 for replication on both OSD's. SSD journals. - if the Ceph Client (VM quest over RBD) is accessing data that is stored on the local OSD, will it avoid hitting the network and just access the local drive? From monitoring the network bond that seems to be the case. - if I added an extra OSD to the local node would that same client then use it to stripe reads, improving the the read transfer rate? - Geo Replication - thats done via federated gateways? looks complicated :( * The remote slave, it would be read only? - Disaster strikes, apart from DR backups how easy is it to recover your data off ceph OSD's? one of the things I liked about gluster was that if I totally screwed up the gluster masters, I could always just copy the data off the filesystem. Not so much with ceph. - Am I abusing ceph? :) I just have a small 3 node VM server cluster with 20 windows VM;s, some servers, some VDI. The shared store is a QNAP nas which is struggling. I'm using ceph for - Shared Storage - Replication/Redundancy - Improved performance Its serving all of this, but the complexity concerns me sometimes. Thanks, -- Lindsay
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