Hi,
on ceph mds startup, I see the following two errors in the our logfiles (using ceph 9.2.0 and linux 4.4 cephfs kernel client): Feb 2 19:27:13 server1 ceph-mds[1809]: 2016-02-02 19:27:13.363416 7fce9effd700 -1 log_channel(cluster) log [ERR] : bad/negative dir size on 603 f(v2008 m2016-02-02 18:52:25.870376 -327=-316+-11) Feb 2 19:27:13 server1 ceph-mds[1809]: 2016-02-02 19:27:13.363442 7fce9effd700 -1 log_channel(cluster) log [ERR] : unmatched fragstat on 603, inode has f(v2009 m2016-02-02 18:52:25.870376 -327=-316+-11), dirfrags have f(v0 m2016-02-02 18:52:25.870376 The filesystem is accessible, but I guess that there will we problems in one directory. How can I find out, which directory is affected and what can I do to fix this error? Would it be safe to delete the affected directory? Markus
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