Has anyone ever ran Lustre OST's (and maybe MDT's) on Ceph Radios Block Devices?
In theory this would work just like an SAN attached solution. Has anyone ever done it before? I know we are seeing decent performance from RBD on our system but I don't have a way to test lustre on it. I'm looking at a future system where Ceph and Lustre might be needed (Object and High performance HPC) but also not a huge budget to have two full disk stacks. So an idea was to have lustre servers consume Ceph Block devices, and that same cluster serves object requests. Thoughts or prior art? This probably isn't that different than the Cloud Formation script that uses EBS volumes if it works as intended. Thanks Brock Palen www.umich.edu/~brockp Director Advanced Research Computing - TS XSEDE Campus Champion [email protected] (734)936-1985
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