Hi Atish, The default replication number of ceph is 2. Thus, If you have only one node (osd) in your cluster, all pg/objects are surely in degraded state.
As to the problem that you cannot put/get objects, I guess it's because of the re-mkcephfs issue Tommi mentioned. Henry 2011/11/4 Atish Kathpal <[email protected]>: > On Thu, Nov 3, 2011 at 10:38 PM, Tommi Virtanen > <[email protected]> wrote: >> On Wed, Nov 2, 2011 at 23:58, Atish Kathpal <[email protected]> wrote: >>> Moreover, I am also unable to create new objects and/or get/put the >>> degraded objects. I re-ran mkcephfs after my reboot. >> >> Well, if you re-ran mkcephfs, that wiped out your old data, so your >> earlier question is now moot. Did you shutdown all the daemons first >> before mkcephfs? If not, expect them to be broken now. It's hard to >> guess what the state of your system is now; perhaps the easiest path >> out is to shut down all the daemons, remove all the ceph data ("osd >> data" and "mon data" dirs in ceph.conf), re-run mkcephfs, see that >> "ceph health" says ok, and then try the "rados" command again. >> > > Thanks for the insights. Yes, I guess I did too many things after the > reboot, including re-starting the daemons and the re-running mkcephfs. > So from your reply I understand that a system reboot would have done > nothing to my RADOS objects, it was the re-running of mkcephfs that > degraded my objects. Right? > > I am able to use "rados" command again, I independently performed some > of the steps you have also mentioned. I have understandably lost all > my old object though. > > Thanks > Atish > -- > To unsubscribe from this list: send the line "unsubscribe ceph-devel" in > the body of a message to [email protected] > More majordomo info at http://vger.kernel.org/majordomo-info.html > -- To unsubscribe from this list: send the line "unsubscribe ceph-devel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
