IO size is 4 KB, and I need a Minimum sizing, cost optimized I intend use SuperMicro Devices http://www.supermicro.com/solutions/storage_Ceph.cfm
What do you think? 2015-12-02 23:17 GMT+07:00 Srinivasula Maram <srinivasula.ma...@sandisk.com> : > One more factor we need to consider here is IO size(block size) to get > required IOPS, based on this we can calculate the bandwidth and design the > solution. > > Thanks > Srinivas > > -----Original Message----- > From: ceph-users [mailto:ceph-users-boun...@lists.ceph.com] On Behalf Of > Nick Fisk > Sent: Wednesday, December 02, 2015 9:28 PM > To: 'Sam Huracan'; ceph-us...@ceph.com > Subject: Re: [ceph-users] Ceph Sizing > > You've left out an important factor....cost. Otherwise I would just say > buy enough SSD to cover the capacity. > > > -----Original Message----- > > From: ceph-users [mailto:ceph-users-boun...@lists.ceph.com] On Behalf > > Of Sam Huracan > > Sent: 02 December 2015 15:46 > > To: ceph-us...@ceph.com > > Subject: [ceph-users] Ceph Sizing > > > > Hi, > > I'm building a storage structure for OpenStack cloud System, input: > > - 700 VM > > - 150 IOPS per VM > > - 20 Storage per VM (boot volume) > > - Some VM run database (SQL or MySQL) > > > > I want to ask a sizing plan for Ceph to satisfy the IOPS requirement, > > I list some factors considered: > > - Amount of OSD (SAS Disk) > > - Amount of Journal (SSD) > > - Amount of OSD Servers > > - Amount of MON Server > > - Network > > - Replica ( default is 3) > > > > I will divide to 3 pool with 3 Disk types: SSD, SAS 15k and SAS 10k > > Should I use all 3 disk types in one server or build dedicated servers > > for every pool? Example: 3 15k servers for Pool-1, 3 10k Servers for > Pool-2. > > > > Could you help me a formula to calculate the minimum devices needed > > for above input. > > > > Thanks and regards. > > > > > > > _______________________________________________ > ceph-users mailing list > ceph-users@lists.ceph.com > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com >
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