On Tue, Mar 1, 2016 at 11:51 AM, 10000 <10000@xxxxxxxxxxxxx> wrote: > Hi, > I meet a trouble on mount the cephfs after doing some disaster recovery > introducing by official > document(http://docs.ceph.com/docs/master/cephfs/disaster-recovery). > Now when I try to mount the cephfs, I get "mount error 5 = Input/output > error". > When run "ceph -s" on clusters, it print like this: > cluster 15935dde-1d19-486e-9e1c-67414f9927f6 > health HEALTH_OK > monmap e1: 4 mons at > {HK-IDC1-10-1-72-151=172.17.17.151:6789/0,HK-IDC1-10-1-72-152=172.17.17.152:6789/0,HK-IDC1-10-1-72-153=172.17.17.153:6789/0,HK-IDC1-10-1-72-160=10.1.72.160:6789/0} > election epoch 528, quorum 0,1,2,3 > HK-IDC1-10-1-72-160,HK-IDC1-10-1-72-151,HK-IDC1-10-1-72-152,HK-IDC1-10-1-72-153 > mdsmap e21038: 1/1/0 up {0=HK-IDC1-10-1-72-160=up:active} > osdmap e10536: 108 osds: 108 up, 108 in > flags sortbitwise > pgmap v424957: 6564 pgs, 3 pools, 3863 GB data, 67643 kobjects > 8726 GB used, 181 TB / 189 TB avail > 6560 active+clean > 3 active+clean+scrubbing+deep > 1 active+clean+scrubbing > > It seems there should be "1/1/1 up" at mdsmap instead of "1/1/0 up" and > I really don't know what the last number mean. > And there is cephfs if I run "ceph fs ls" which print this: > > name: cephfs, metadata pool: cephfs_metadata, data pools: [cephfs_data > ] > > I try my best to Google such problem however i get nothing. And I still > want to know if i can bring the cephfs back. So does any one have ideas? > > Oh, I do the disaster recovery because I get "mdsmap e21012: 0/1/1 up, > 1 up:standby, 1 damaged" at first. And to bring the fs back to work, I do > "JOURNAL TRUNCATION", "MDS TABLE WIPES", "MDS MAP RESET". However I think > there must exist (and most) files that their metadata have been saved at > OSDs (metadata pool, in RADOS). I just want to get them. try running command "ceph mds set max_mds 1" > > Thanks. > > Yingdi Guo > > _______________________________________________ > ceph-users mailing list > ceph-users@xxxxxxxxxxxxxx > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com > _______________________________________________ ceph-users mailing list ceph-users@xxxxxxxxxxxxxx http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
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