Hi Jiwan, On Sat, Jul 11, 2015 at 4:44 PM, Jiwan N <jiwan.ningle...@gmail.com> wrote:
> Hi Ceph-Users, > > I am quite new to Ceph Storage (storage tech in general). I have been > investigating Ceph to understand the precise process clearly. > > *Q: What actually happens When I create a block image of certain size?* > > The ceph documentation from http://docs.ceph.com/docs/v0.67.9/man/8/rbd/ > says, the block devices (images) > are stripped over objects and stored in a RADOS object store. > > This is the process of storage allocation. So, do objects that are broken > down allocate space (themselves) where they reside? Or are these objects > (state and behavior ) information kept (scattered) into the OSDs > (eventually into the disks)? Or does the monitor server keep these info and > allocate those positions (locations) in Object storage disks so that later > on some data can be put into those locations? > > Any precise documentation or explanation will help. > I found this description of the internal architecture most helpful: http://ceph.com/docs/master/architecture/ Best regards, Alex > > -- > Sincerely, > Jiwan Ninglekhu > > _______________________________________________ > ceph-users mailing list > ceph-users@lists.ceph.com > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com > >
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