Oh! I thought Samsung 850 EVO 500GB is enterprise level SSD, what SSD i should use for Ceph or better i should use only SATA is SSD will be as issue. Do you think i should use BleuStore or for my deployment i can use XFS? ~S On Fri, Jul 6, 2018 at 10:01 AM, Igor Fedotov <ifedotov@xxxxxxx> wrote: > Hi Satish, > > just one caution here. > > I tried DL380 G8 with NVME Samsung 960 Pro drive. The latter (despite pretty > good overall performance numbers) hardly suits for BlueStore WAL/DB > deployment since it handles (f)synced writes very slowly. Which is crucial > for DB/WAL. > > The root cause IMO is due to the lack of Power Loss Data Protection (or > whatever you name it). > > I'm not sure that's the case for your drive though. Just be careful when > using such consumer drives. > > > Thanks, > > Igor > > > > On 7/6/2018 3:28 PM, Satish Patel wrote: >> >> Folks, >> >> I'm new in ceph world, and still in learning stage, this is what I have in >> my inventory to build cluster please need some suggestions. >> >> 5 x HP DL360p G8 / 32 core 2.9Ghz / 32GB memory / 2x10G nic (server has >> 10 HDD slot) >> >> 3 x HP DL 460c blades for Monitor ( I'm not very worried about resousr >> here) >> >> 15 x SSD 500GB ( Samsung EVO) >> 15 x SATA 1TB 7.5k >> >> My requirements is for openstack vm just for block storage, >> >> 1. how should layout my drives ? >> 2. How many sad for journal? >> 3. Should I put all SSD on single box or should spread out? >> 3. For avarage load does SATA 7.5k enough ? >> 4. Do you think DL 360p G8 would be good enough or I need more powerful? >> >> >> My all application is mostly web / small DB / some CPU crunching >> application ( need CPU core) >> >> Sent from my iPhone >> _______________________________________________ >> ceph-users mailing list >> ceph-users@xxxxxxxxxxxxxx >> http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com > > _______________________________________________ ceph-users mailing list ceph-users@xxxxxxxxxxxxxx http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
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