Sorry. this is caused wrong backport. downgrading mds to 13.2.1 and
marking mds repaird can resolve this.

Yan, Zheng
On Sat, Oct 6, 2018 at 8:26 AM Sergey Malinin <h...@newmail.com> wrote:
>
> Update:
> I discovered http://tracker.ceph.com/issues/24236 and 
> https://github.com/ceph/ceph/pull/22146
> Make sure that it is not relevant in your case before proceeding to 
> operations that modify on-disk data.
>
>
> On 6.10.2018, at 03:17, Sergey Malinin <h...@newmail.com> wrote:
>
> I ended up rescanning the entire fs using alternate metadata pool approach as 
> in http://docs.ceph.com/docs/mimic/cephfs/disaster-recovery/
> The process has not competed yet because during the recovery our cluster 
> encountered another problem with OSDs that I got fixed yesterday (thanks to 
> Igor Fedotov @ SUSE).
> The first stage (scan_extents) completed in 84 hours (120M objects in data 
> pool on 8 hdd OSDs on 4 hosts). The second (scan_inodes) was interrupted by 
> OSDs failure so I have no timing stats but it seems to be runing 2-3 times 
> faster than extents scan.
> As to root cause -- in my case I recall that during upgrade I had forgotten 
> to restart 3 OSDs, one of which was holding metadata pool contents, before 
> restarting MDS daemons and that seemed to had an impact on MDS journal 
> corruption, because when I restarted those OSDs, MDS was able to start up but 
> soon failed throwing lots of 'loaded dup inode' errors.
>
>
> On 6.10.2018, at 00:41, Alfredo Daniel Rezinovsky <alfrenov...@gmail.com> 
> wrote:
>
> Same problem...
>
> # cephfs-journal-tool --journal=purge_queue journal inspect
> 2018-10-05 18:37:10.704 7f01f60a9bc0 -1 Missing object 500.0000016c
> Overall journal integrity: DAMAGED
> Objects missing:
>   0x16c
> Corrupt regions:
>   0x5b000000-ffffffffffffffff
>
> Just after upgrade to 13.2.2
>
> Did you fixed it?
>
>
> On 26/09/18 13:05, Sergey Malinin wrote:
>
> Hello,
> Followed standard upgrade procedure to upgrade from 13.2.1 to 13.2.2.
> After upgrade MDS cluster is down, mds rank 0 and purge_queue journal are 
> damaged. Resetting purge_queue does not seem to work well as journal still 
> appears to be damaged.
> Can anybody help?
>
> mds log:
>
>   -789> 2018-09-26 18:42:32.527 7f70f78b1700  1 mds.mds2 Updating MDS map to 
> version 586 from mon.2
>   -788> 2018-09-26 18:42:32.527 7f70f78b1700  1 mds.0.583 handle_mds_map i am 
> now mds.0.583
>   -787> 2018-09-26 18:42:32.527 7f70f78b1700  1 mds.0.583 handle_mds_map 
> state change up:rejoin --> up:active
>   -786> 2018-09-26 18:42:32.527 7f70f78b1700  1 mds.0.583 recovery_done -- 
> successful recovery!
> <skip>
>    -38> 2018-09-26 18:42:32.707 7f70f28a7700 -1 mds.0.purge_queue _consume: 
> Decode error at read_pos=0x322ec6636
>    -37> 2018-09-26 18:42:32.707 7f70f28a7700  5 mds.beacon.mds2 
> set_want_state: up:active -> down:damaged
>    -36> 2018-09-26 18:42:32.707 7f70f28a7700  5 mds.beacon.mds2 _send 
> down:damaged seq 137
>    -35> 2018-09-26 18:42:32.707 7f70f28a7700 10 monclient: _send_mon_message 
> to mon.ceph3 at mon:6789/0
>    -34> 2018-09-26 18:42:32.707 7f70f28a7700  1 -- mds:6800/e4cc09cf --> 
> mon:6789/0 -- mdsbeacon(14c72/mds2 down:damaged seq 137 v24a) v7 -- 
> 0x563b321ad480 con 0
> <skip>
>     -3> 2018-09-26 18:42:32.743 7f70f98b5700  5 -- mds:6800/3838577103 >> 
> mon:6789/0 conn(0x563b3213e000 :-1 
> s=STATE_OPEN_MESSAGE_READ_FOOTER_AND_DISPATCH pgs=8 cs=1 l=1). rx mon.2 seq 
> 29 0x563b321ab880 mdsbeaco
> n(85106/mds2 down:damaged seq 311 v587) v7
>     -2> 2018-09-26 18:42:32.743 7f70f98b5700  1 -- mds:6800/3838577103 <== 
> mon.2 mon:6789/0 29 ==== mdsbeacon(85106/mds2 down:damaged seq 311 v587) v7 
> ==== 129+0+0 (3296573291 0 0) 0x563b321ab880 con 0x563b3213e
> 000
>     -1> 2018-09-26 18:42:32.743 7f70f98b5700  5 mds.beacon.mds2 
> handle_mds_beacon down:damaged seq 311 rtt 0.038261
>      0> 2018-09-26 18:42:32.743 7f70f28a7700  1 mds.mds2 respawn!
>
> # cephfs-journal-tool --journal=purge_queue journal inspect
> Overall journal integrity: DAMAGED
> Corrupt regions:
>   0x322ec65d9-ffffffffffffffff
>
> # cephfs-journal-tool --journal=purge_queue journal reset
> old journal was 13470819801~8463
> new journal start will be 13472104448 (1276184 bytes past old end)
> writing journal head
> done
>
> # cephfs-journal-tool --journal=purge_queue journal inspect
> 2018-09-26 19:00:52.848 7f3f9fa50bc0 -1 Missing object 500.00000c8c
> Overall journal integrity: DAMAGED
> Objects missing:
>   0xc8c
> Corrupt regions:
>   0x323000000-ffffffffffffffff
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