Hi Ashish, Yep, that would be the correct way to do it.
If you already have a cluster running, a ceph -s will also show usage, ie like: >ceph -s pgmap v1842777: 8064 pgs: 8064 active+clean; 1069 GB data, 2144 GB used, 7930 GB / 10074 GB avail; 3569B/s wr, 0op/s This is a small test-cluster with 2x replica, 1TB data used and roughly 2x the amount used. Also 'rados df' will show usage pr. pool :) Cheers, Martin On Wed, Mar 13, 2013 at 11:15 AM, Ashish Kumar <[email protected]> wrote: > Hi Guys,**** > > ** ** > > Just want to know, how can I calculate the capacity of my ceph cluster. I > don't know whether a simple RAID system calculation will work or not.**** > > ** ** > > I have 5 servers each with the storage of 2TB and there are three copies > of data, will it be ok to calculate the capacity in following way:**** > > ** ** > > 5(servers)* 2TB/3. **** > > ** ** > > ** ** > > ** ** > > *Ashish kumar|* Software Development *|* *weclapp GmbH***** > > Frauenbergstraße 31-33 *|* D-35039 Marburg**** > > + 49 6421 999 1805 office *|* + 49 6421 999 1899 fax**** > > ** ** > > weclapp GmbH | Sitz der Gesellschaft: Marburg | Handelsregister: > Amtsgericht Marburg HRB 5438**** > > Geschäftsführer: Michael Schmidt, Ertan Özdil, Uwe Knoke**** > > ** ** > > *[image: cid:[email protected]]* <http://www.weclapp.com/>*** > * > > ** ** > > _______________________________________________ > ceph-users mailing list > [email protected] > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com > >
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