Hi Mad 3Gbps so you will have SSD Sata ? I think you should take 6Gbps controllers to make sure so not have Sata limitations Thanks
Sent from my iPhone > On 2 févr. 2015, at 09:27, mad Engineer <themadengin...@gmail.com> wrote: > > I am trying to create a 5 node cluster using 1 Tb SSD disks with 2 OSD > on each server.Each server will have 10G NIC. > SSD disks are of good quality and as per label it can support ~300 MBps > > What are the limiting factor that prevents from utilizing full speed > of SSD disks? > > Disk controllers are 3 Gbps,so if i am not wrong this is the maximum > i can achieve per host.Can ceph distribute write parallely and over > come this limit of 3Gbps controller and thus fully utilize the > capability of ssd disks. > > I have a working 3 node ceph setup deployed using ceph-deploy using > latest firefly and 3.16 kernel but this is on low quality SATA disks > and i am planning to upgrade to ssd > > can some one please help me in understanding this better. > > Thanks > _______________________________________________ > ceph-users mailing list > ceph-users@lists.ceph.com > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com _______________________________________________ ceph-users mailing list ceph-users@lists.ceph.com http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
