On Sun, Oct 4, 2015 at 6:06 PM, niejunwei <niejunwei@xxxxxxxxxxx> wrote: > HI, All: > > I am new and this is my first time to write an email here, i am very > appreciate that i can get your help. > > I create 3 virtual machines on my personal computer and build a simple test > ceph storage platform based on these 3 VMs. The host names are ceph-14(the > leader node)、ceph-15 and ceph-16. Each host with 2 data disks(osds) and each > data disk with 20 GB. The status of ceph is HEALTH_OK, everything works > well. > > Then i create a test file with name of helloceph, the content is "Hello > Ceph, You are Awesome like NJW". I put this file in the data pool through > the command of "rados -p data put object1 helloceph", you can check my steps > as below: > > > [root@ceph-14 ~]# rados -p data put object1 helloceph > [root@ceph-14 ~]# > [root@ceph-14 ~]# rados -p data ls > object1 > [root@ceph-14 ~]# > [root@ceph-14 ~]# cd /var/lib/ceph/osd/ceph-1/current/0.3c_head/ > [root@ceph-14 0.3c_head]# ls > object1__head_BAC5DEBC__0 > [root@ceph-14 0.3c_head]# cat object1__head_BAC5DEBC__0 > Hello Ceph, You are Awesome like NJW > [root@ceph-14 0.3c_head]# > > I am very confused that how can i get the object id of object1 above? > > There are 3 parts of an object: metadata、data and object id. I think i can > get data part of object1 from above outputs, but how can i get object id of > object1? What's your purpose of object id. It's just object1 I think. You can via "rados -h" find the related ops get retrieval data, xattr and omaps > > I searched so much and so long on google, but never get what i want. So i am > very appreciate that you can give me a guide here!!! > > > Best Wishes > > Conan > > _______________________________________________ > ceph-users mailing list > ceph-users@xxxxxxxxxxxxxx > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com > -- Best Regards, Wheat _______________________________________________ ceph-users mailing list ceph-users@xxxxxxxxxxxxxx http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com