> -----Original Message----- > From: ceph-devel-owner@xxxxxxxxxxxxxxx > [mailto:ceph-devel-owner@xxxxxxxxxxxxxxx] On Behalf Of Dennis Chen > Sent: Tuesday, January 27, 2015 3:07 PM > To: ceph-devel@xxxxxxxxxxxxxxx; Dennis Chen > Subject: [Questions]Can client know which OSDs are storing the data? > > Hello Guys, > > My question is very rude and direct, a little bit stupid maybe ;-) > > Question a: a client write a file to the cluster (supposing replica = 3), so the > data will be stored in 3 OSDs within the cluster, can I get the information of > which OSDs storing the file data in client side? > Ceph osd map <poolname> <objectname> Display the osd and pg which store object. > Question b: can the object data still be replicated if I store a object from client > with RADOS API? Yes, rados api is also a client. > > Thank you guys ! > -- > Den > -- > To unsubscribe from this list: send the line "unsubscribe ceph-devel" in the body > of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at > http://vger.kernel.org/majordomo-info.html ��.n��������+%������w��{.n����z��u���ܨ}���Ơz�j:+v�����w����ޙ��&�)ߡ�a����z�ޗ���ݢj��w�f