Hi Karan, So that means I can't have RBD on 2.6.32. Do you know where can I find source for rbd.ko for other kernel versions like 2.6.34? Regards, Pratik Rupala On 7/28/2014 12:32 PM, Karan Singh wrote: > Yes you can use other features like CephFS and Object Store on this > kernel release that you are running. > > - Karan Singh > > > On 28 Jul 2014, at 07:45, Pratik Rupala <pratik.rupala at calsoftinc.com > <mailto:pratik.rupala at calsoftinc.com>> wrote: > >> Hi Karan, >> >> I have basic setup of Ceph storage cluster in active+clean state on >> Linux kernel 2.6.32. As per your suggestion, RBD support starts from >> 2.6.34 kernel. >> So, can I use other facilities like object store and Cephfs on this >> setup with 2.6.32 or they are also not supported for this kernel >> version and is there any way to have Ceph block devices on Linux >> kernel 2.6.32? >> >> Regards, >> Pratik Rupala >> >> >> On 7/25/2014 5:51 PM, Karan Singh wrote: >>> Hi Pratik >>> >>> Ceph RBD support has been added in mainline Linux kernel starting >>> 2.6.34 , The following errors shows that , RBD module is not >>> present in kernel. >>> >>> Its advisable to run latest stable kernel release if you need RBD to >>> be working. >>> >>>> ERROR: modinfo: could not find module rbd >>>> FATAL: Module rbd not found. >>>> rbd: modprobe rbd failed! (256) >>> >>> >>> - Karan - >>> >>> On 25 Jul 2014, at 14:52, Pratik Rupala >>> <pratik.rupala at calsoftinc.com <mailto:pratik.rupala at calsoftinc.com>> >>> wrote: >>> >>>> Hi, >>>> >>>> I am deploying firefly version on CentOs 6.4. I am following quick >>>> installation instructions available at ceph.com <http://ceph.com/>. >>>> I have my customized kernel version in CentOs 6.4 which is 2.6.32. >>>> >>>> I am able to create basic Ceph storage cluster with active+clean >>>> state. Now I am trying to create block device image on ceph client >>>> but it is giving messages as shown below: >>>> >>>> [ceph at ceph-client1 ~]$ rbd create foo --size 1024 >>>> 2014-07-25 22:31:48.519218 7f6721d43700 0 -- >>>> 172.17.35.20:0/1003053 >> 172.17.35.22:6800/1875 pipe(0x6a7c50 sd=4 >>>> :0 s=1 pgs=0 cs=0 l=1 c=0x6a8050).fault >>>> 2014-07-25 22:32:18.536771 7f6721b41700 0 -- >>>> 172.17.35.20:0/1003053 >> 172.17.35.22:6800/1875 >>>> pipe(0x7f6718006310 sd=5 :0 s=1 pgs=0 cs=0 l=1 c=0x7f6718006580).fault >>>> 2014-07-25 22:33:09.598763 7f6721b41700 0 -- >>>> 172.17.35.20:0/1003053 >> 172.17.35.22:6800/1875 >>>> pipe(0x7f67180063e0 sd=5 :0 s=1 pgs=0 cs=0 l=1 c=0x7f6718007e70).fault >>>> 2014-07-25 22:34:08.621655 7f6721b41700 0 -- >>>> 172.17.35.20:0/1003053 >> 172.17.35.22:6800/1875 >>>> pipe(0x7f6718007e70 sd=5 :0 s=1 pgs=0 cs=0 l=1 c=0x7f67180080e0).fault >>>> 2014-07-25 22:35:19.581978 7f6721b41700 0 -- >>>> 172.17.35.20:0/1003053 >> 172.17.35.22:6800/1875 >>>> pipe(0x7f6718007e70 sd=5 :0 s=1 pgs=0 cs=0 l=1 c=0x7f67180080e0).fault >>>> 2014-07-25 22:36:23.694665 7f6721b41700 0 -- >>>> 172.17.35.20:0/1003053 >> 172.17.35.22:6800/1875 >>>> pipe(0x7f6718007e70 sd=5 :0 s=1 pgs=0 cs=0 l=1 c=0x7f67180080e0).fault >>>> 2014-07-25 22:37:28.868293 7f6721b41700 0 -- >>>> 172.17.35.20:0/1003053 >> 172.17.35.22:6800/1875 >>>> pipe(0x7f6718007e70 sd=5 :0 s=1 pgs=0 cs=0 l=1 c=0x7f67180080e0).fault >>>> 2014-07-25 22:38:29.159830 7f6721b41700 0 -- >>>> 172.17.35.20:0/1003053 >> 172.17.35.22:6800/1875 >>>> pipe(0x7f6718007e70 sd=5 :0 s=1 pgs=0 cs=0 l=1 c=0x7f67180080e0).fault >>>> 2014-07-25 22:39:28.854441 7f6721b41700 0 -- >>>> 172.17.35.20:0/1003053 >> 172.17.35.22:6800/1875 >>>> pipe(0x7f6718001db0 sd=5 :0 s=1 pgs=0 cs=0 l=1 c=0x7f6718006990).fault >>>> 2014-07-25 22:40:14.581055 7f6721b41700 0 -- >>>> 172.17.35.20:0/1003053 >> 172.17.35.22:6800/1875 >>>> pipe(0x7f6718001ac0 sd=5 :0 s=1 pgs=0 cs=0 l=1 c=0x7f671800c950).fault >>>> 2014-07-25 22:41:03.794903 7f6721b41700 0 -- >>>> 172.17.35.20:0/1003053 >> 172.17.35.22:6800/1875 >>>> pipe(0x7f6718004d30 sd=5 :0 s=1 pgs=0 cs=0 l=1 c=0x7f671800c950).fault >>>> 2014-07-25 22:42:12.537442 7f6721b41700 0 -- >>>> 172.17.35.20:0/1003053 >> 172.17.35.22:6800/1875 pipe(0x6a4640 sd=5 >>>> :0 s=1 pgs=0 cs=0 l=1 c=0x6a4a00).fault >>>> 2014-07-25 22:43:18.912430 7f6721b41700 0 -- >>>> 172.17.35.20:0/1003053 >> 172.17.35.22:6800/1875 >>>> pipe(0x7f6718008300 sd=5 :0 s=1 pgs=0 cs=0 l=1 c=0x7f67180080e0).fault >>>> 2014-07-25 22:44:24.129258 7f6721b41700 0 -- >>>> 172.17.35.20:0/1003053 >> 172.17.35.22:6800/1875 >>>> pipe(0x7f6718008300 sd=5 :0 s=1 pgs=0 cs=0 l=1 c=0x7f6718008f80).fault >>>> 2014-07-25 22:45:29.174719 7f6721b41700 0 -- >>>> 172.17.35.20:0/1003053 >> 172.17.35.22:6800/1875 >>>> pipe(0x7f671800a150 sd=5 :0 s=1 pgs=0 cs=0 l=1 c=0x7f671800a620).fault >>>> 2014-07-25 22:46:34.032246 7f6721b41700 0 -- >>>> 172.17.35.20:0/1003053 >> 172.17.35.22:6800/1875 >>>> pipe(0x7f6718008390 sd=5 :0 s=1 pgs=0 cs=0 l=1 c=0x7f671800a620).fault >>>> 2014-07-25 22:47:39.551973 7f6721b41700 0 -- >>>> 172.17.35.20:0/1003053 >> 172.17.35.22:6800/1875 >>>> pipe(0x7f6718008390 sd=5 :0 s=1 pgs=0 cs=0 l=1 c=0x7f67180077e0).fault >>>> 2014-07-25 22:48:39.342226 7f6721b41700 0 -- >>>> 172.17.35.20:0/1003053 >> 172.17.35.22:6800/1875 >>>> pipe(0x7f6718001db0 sd=5 :0 s=1 pgs=0 cs=0 l=1 c=0x7f6718003040).fault >>>> >>>> I am not sure whether block device image has been created or not. >>>> Further I tried below command which fails: >>>> [ceph at ceph-client1 ~]$ sudo rbd map foo >>>> ERROR: modinfo: could not find module rbd >>>> FATAL: Module rbd not found. >>>> rbd: modprobe rbd failed! (256) >>>> >>>> If I check the health of cluster it looks fine. >>>> [ceph at node1 ~]$ ceph -s >>>> cluster 98f22f5d-783b-43c2-8ae7-b97a715c9c86 >>>> health HEALTH_OK >>>> monmap e1: 1 mons at {node1=172.17.35.17:6789/0}, election >>>> epoch 1, quorum 0 node1 >>>> osdmap e5972: 3 osds: 3 up, 3 in >>>> pgmap v20011: 192 pgs, 3 pools, 142 bytes data, 2 objects >>>> 190 MB used, 45856 MB / 46046 MB avail >>>> 192 active+clean >>>> >>>> Please let me know if I am doing anything wrong. >>>> >>>> Regards, >>>> Pratik Rupala >>>> _______________________________________________ >>>> ceph-users mailing list >>>> ceph-users at lists.ceph.com <mailto:ceph-users at lists.ceph.com> >>>> http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com >>> >> >> _______________________________________________ >> ceph-users mailing list >> ceph-users at lists.ceph.com <mailto:ceph-users at lists.ceph.com> >> http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com > -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.ceph.com/pipermail/ceph-users-ceph.com/attachments/20140728/9caca847/attachment.htm>