On Mon, 29 Dec 2014 11:12:06 PM Christian Balzer wrote: > Is that a private cluster network just between Ceph storage nodes or is > this for all ceph traffic (including clients)? > The later would probably be better, a private cluster network twice as > fast as the client one isn't particular helpful 99% of the time. The later - all ceph traffic including clients (qemu rbd). > > 3rd Node > > > > - Monitor only, for quorum > > > > - Intel Nuc > > - 8GB RAM > > - CPU: Celeron N2820 > > Uh oh, a bit weak for a monitor. Where does the OS live (on this and the > other nodes)? The leveldb (/var/lib/ceph/..) of the monitors likes it fast, > SSDs preferably. On a SSD (all the nodes have OS on SSD). Looks like I misunderstood the purpose of the monitors, I presumed they were just for monitoring node health. They do more than that? > The closer it is to the current storage nodes, the better. > The slowest OSD in a cluster can impede all (most of) the others. Closer as in similar hardware specs? -- Lindsay
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