Hi Alex, Thank you for your response! Yes, this is for a production environment... Do you think the risk of data loss due to the single node be different than if it was an appliance or a Linux box with raid/zfs?
Cheers, Mike > On May 13, 2016, at 7:38 PM, Alex Gorbachev <a...@iss-integration.com> wrote: > > > >> On Friday, May 13, 2016, Mike Jacobacci <mi...@flowjo.com> wrote: >> Hello, >> >> I have a quick and probably dumb question… We would like to use Ceph for our >> storage, I was thinking of a cluster with 3 Monitor and OSD nodes. I was >> wondering if it was a bad idea to start a Ceph cluster with just one OSD >> node (10 OSDs, 2 SSDs), then add more nodes as our budget allows? We want >> to spread out the purchases of the OSD nodes over a month or two but I would >> like to start moving data over ASAP. > > Hi Mike, > > Production or test? I would strongly recommend against one OSD node in > production. Not only risk of hang and data loss due to e.g. Filesystem issue > or kernel, but also as you add nodes the data movement will introduce a good > deal of overhead. > > Regards, > Alex > > >> >> Cheers, >> Mike >> >> >> _______________________________________________ >> ceph-users mailing list >> ceph-users@lists.ceph.com >> http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com > > > -- > -- > Alex Gorbachev > Storcium >
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