Re: osdmap::decode crc error -- 13.2.7 -- most osds down

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680 is epoch 2983572
666 crashes at 2982809 or 2982808

  -407> 2020-02-20 11:20:24.960 7f4d931b5b80 10 osd.666 0 add_map_bl
2982809 612069 bytes
  -407> 2020-02-20 11:20:24.966 7f4d931b5b80 -1 *** Caught signal (Aborted) **
 in thread 7f4d931b5b80 thread_name:ceph-osd

So I grabbed 2982809 and 2982808 and am setting them.

Checking if the osds will start with that.

-- dan



On Thu, Feb 20, 2020 at 12:47 PM Wido den Hollander <wido@xxxxxxxx> wrote:
> On 2/20/20 12:40 PM, Dan van der Ster wrote:
> > Hi,
> >
> > My turn.
> > We suddenly have a big outage which is similar/identical to
> > http://lists.ceph.com/pipermail/ceph-users-ceph.com/2019-August/036519.html
> >
> > Some of the osds are runnable, but most crash when they start -- crc
> > error in osdmap::decode.
> > I'm able to extract an osd map from a good osd and it decodes well
> > with osdmaptool:
> >
> > # ceph-objectstore-tool --op get-osdmap --data-path
> > /var/lib/ceph/osd/ceph-680/ --file osd.680.map
> >
> > But when I try on one of the bad osds I get:
> >
> > # ceph-objectstore-tool --op get-osdmap --data-path
> > /var/lib/ceph/osd/ceph-666/ --file osd.666.map
> > terminate called after throwing an instance of 'ceph::buffer::malformed_input'
> >   what():  buffer::malformed_input: bad crc, actual 822724616 !=
> > expected 2334082500
> > *** Caught signal (Aborted) **
> >  in thread 7f600aa42d00 thread_name:ceph-objectstor
> >  ceph version 13.2.7 (71bd687b6e8b9424dd5e5974ed542595d8977416) mimic (stable)
> >  1: (()+0xf5f0) [0x7f5ffefc45f0]
> >  2: (gsignal()+0x37) [0x7f5ffdbae337]
> >  3: (abort()+0x148) [0x7f5ffdbafa28]
> >  4: (__gnu_cxx::__verbose_terminate_handler()+0x165) [0x7f5ffe4be7d5]
> >  5: (()+0x5e746) [0x7f5ffe4bc746]
> >  6: (()+0x5e773) [0x7f5ffe4bc773]
> >  7: (()+0x5e993) [0x7f5ffe4bc993]
> >  8: (OSDMap::decode(ceph::buffer::list::iterator&)+0x160e) [0x7f6000f4168e]
> >  9: (OSDMap::decode(ceph::buffer::list&)+0x31) [0x7f6000f42e31]
> >  10: (get_osdmap(ObjectStore*, unsigned int, OSDMap&,
> > ceph::buffer::list&)+0x1d0) [0x55d30a489190]
> >  11: (main()+0x5340) [0x55d30a3aae70]
> >  12: (__libc_start_main()+0xf5) [0x7f5ffdb9a505]
> >  13: (()+0x3a0f40) [0x55d30a483f40]
> > Aborted (core dumped)
> >
> >
> >
> > I think I want to inject the osdmap, but can't:
> >
> > # ceph-objectstore-tool --op set-osdmap --data-path
> > /var/lib/ceph/osd/ceph-666/ --file osd.680.map
> > osdmap (#-1:b65b78ab:::osdmap.2983572:0#) does not exist.
> >
>
> Have you tried to list which epoch osd.680 is at and which one osd.666
> is at? And which one the MONs are at?
>
> Maybe there is a difference there?
>
> Wido
>
> >
> > How do I do this?
> >
> > Thanks for any help!
> >
> > dan
> > _______________________________________________
> > ceph-users mailing list -- ceph-users@xxxxxxx
> > To unsubscribe send an email to ceph-users-leave@xxxxxxx
> >
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