Re: [ceph-users] Best practice about using multiple disks on one single OSD

2014-09-25 Thread James Pan
Thank you JC. Best Regards, James Jiaming Pan On Friday, September 26, 2014 12:25 PM, Jean-Charles LOPEZ wrote: Hi James, the best practice is to set up 1 OSD daemon per physical disk drive. In your case, each OSD node would hence be 4 OSD daemons using one physical drive per daemon,

Re: [ceph-users] Best practice about using multiple disks on one single OSD

2014-09-25 Thread Jean-Charles LOPEZ
Hi James, the best practice is to set up 1 OSD daemon per physical disk drive. In your case, each OSD node would hence be 4 OSD daemons using one physical drive per daemon, and deploying a minimum of 3 servers so each object copy resides on a separate physical server. JC On Sep 25, 2014, at

[ceph-users] Best practice about using multiple disks on one single OSD

2014-09-25 Thread James Pan
Hi, I have several servers and each server has 4 disks. Now I am going to setup Ceph on these servers and use all the 4 disks but it seems one OSD instance can be configured with one backend storage. So there seems two options to me: 1. Make the 4 disks into a raid0 then setup OSD to use this