Re: [lustre-discuss] Lustre on Ceph Block Devices

2017-02-22 Thread Shinobu Kinjo
> If we do test this I'll let you know how it works. > Yes, please. I'm pretty curious about that. > > Why Lustre on GPFS? Why not just run GPFS then given it support byte > range locking / MPI-IO and POSIX (Ignore license costs). > Sorry for confusion. I was just asking. I've never thought

Re: [lustre-discuss] Lustre on Ceph Block Devices

2017-02-22 Thread Brock Palen
If we do test this I'll let you know how it works. Why Lustre on GPFS? Why not just run GPFS then given it support byte range locking / MPI-IO and POSIX (Ignore license costs). I'm trying to limit the number of disk systems to maintain in a system of modest size where both MPI-IO and Object is

[lustre-discuss] Lustre on Ceph Block Devices

2017-02-21 Thread Brock Palen
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