Re: [ceph-users] CEPH I/O Performance with OpenStack

I have two ceph nodes with the following specifications 2x CEPH - OSD - 2 Replication factor Model : SuperMicro X8DT3 CPU : Dual intel E5620 RAM : 32G HDD : 2x 480GB SSD RAID-1 ( OS and Journal ) 22x 4TB SATA RAID-10 ( OSD ) 3x Controllers - CEPH Monitor Model : ProLiant DL180

Re: [ceph-users] CEPH I/O Performance with OpenStack

Thanks Robert for your response. I'm considering giving SAS 600G 15K a try before moving to SSD. It should give ~175 IOPS per disk. Do you think the performance will be better if i goes with the following setup ? 4x OSD nodes 2x SSD - RAID 1 for OS and Journal 10x 600G SAS 15K - NO Raid Two

Re: [ceph-users] CEPH I/O Performance with OpenStack

Thanks Robert for your response. I'm considering giving SAS 600G 15K a try before moving to SSD. It should give ~175 IOPS per disk. Do you think the performance will be better if i goes with the following setup ? 4x OSD nodes 2x SSD - RAID 1 for OS and Journal 10x 600G SAS 15K - NO Raid

[ceph-users] CEPH I/O Performance with OpenStack

Hello, I'm using ceph-0.80.7 with Mirantis OpenStack IceHouse - RBD for nova ephemeral disk and glance. I have two ceph nodes with the following specifications 2x CEPH - OSD - 2 Replication factor Model : SuperMicro X8DT3 CPU : Dual intel E5620 RAM : 32G HDD : 2x 480GB SSD RAID-1 ( OS and