Re: Help ! how to recover from total monitor failure in lumnious

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On Fri, 2 Feb 2018, Frank Li wrote:
> Yes, I was dealing with an issue where OSD are not peerings, and I was trying to see if force-create-pg can help recover the peering.
> Data lose is an accepted  possibility.
> 
>  I hope this is what you are looking for ?
> 
>     -3> 2018-01-31 22:47:22.942394 7fc641d0b700  5 mon.dl1-kaf101@0(electing) e6 _ms_dispatch setting monitor caps on this connection
>     -2> 2018-01-31 22:47:22.942405 7fc641d0b700  5 mon.dl1-kaf101@0(electing).paxos(paxos recovering c 28110997..28111530) is_readable = 0 - now=2018-01-31 22:47:22.942405 lease_expire=0.000000 has v0 lc 28111530
>     -1> 2018-01-31 22:47:22.942422 7fc641d0b700  5 mon.dl1-kaf101@0(electing).paxos(paxos recovering c 28110997..28111530) is_readable = 0 - now=2018-01-31 22:47:22.942422 lease_expire=0.000000 has v0 lc 28111530
>      0> 2018-01-31 22:47:22.955415 7fc64350e700 -1 /home/jenkins-build/build/workspace/ceph-build/ARCH/x86_64/AVAILABLE_ARCH/x86_64/AVAILABLE_DIST/centos7/DIST/centos7/MACHINE_SIZE/huge/release/12.2.2/rpm/el7/BUILD/ceph-12.2.2/src/osd/OSDMapMapping.h: In function 'void OSDMapMapping::get(pg_t, std::vector<int>*, int*, std::vector<int>*, int*) const' thread 7fc64350e700 time 2018-01-31 22:47:22.952877
> /home/jenkins-build/build/workspace/ceph-build/ARCH/x86_64/AVAILABLE_ARCH/x86_64/AVAILABLE_DIST/centos7/DIST/centos7/MACHINE_SIZE/huge/release/12.2.2/rpm/el7/BUILD/ceph-12.2.2/src/osd/OSDMapMapping.h: 288: FAILED assert(pgid.ps() < p->second.pg_num)

Perfect, thanks!  I have a test fix for this pushed to wip-22847-luminous 
which should appear on shaman.ceph.com in an hour or so; can you give that 
a try?  (Only need to install the updated package on the mons.)

Thanks!
sage
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