Ceph and Software Defined Storage (SDS)

2012-12-15 Thread Itamar Landsman
Hi, There is some talk going around about software defined storage. Nevertheless I could not find a concrete definition for it. Can someone comment about where a definition can be found and how can ceph be a part of it? Thanks -- To unsubscribe from this list: send the line unsubscribe

Re: Ceph and Software Defined Storage (SDS)

2012-12-15 Thread Gregory Farnum
http://en.wikipedia.org/wiki/Software_defined_storage Basically, with Ceph you've got a bunch of storage boxes providing raw disk. They're aggregated together via the software daemons they run rather than by a RAID controller or some hardware box that re-exports them, and the administrator can

strange issues recovering from inconsistent state

2012-12-15 Thread Lorieri
Hi, Me and a friend of mine were doing some recovery tests (among others) using radosgw. We did exactly the same tests described in the link below, and we got the same results. http://comments.gmane.org/gmane.comp.file-systems.ceph.devel/9412 After finding this thread I tried what Gregory said,

Re: radosgw: partially uploaded files never reclaim space

2012-12-15 Thread Yehuda Sadeh
On Sat, Dec 15, 2012 at 7:05 PM, Lorieri lori...@gmail.com wrote: Hi, I was doing some tests with radosgw and one of the tests were interrupt a file transfer on its middle. The result was to get some disc space that is never reclaimed. I run the temp delete command, then waited 24 hours,