Re: Upgrade from Giant to Hammer and after some basic operations most of the OSD's went down

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Hi

I updated that version and it seems that something did happen, the osd's
stayed up for a while and 'ceph status' got updated. But then in couple of
minutes, they all went down the same way.

I have attached new 'ceph osd dump -f json-pretty' and got a new log from
one of the osd's with osd debug = 20,
http://beta.xaasbox.com/ceph/ceph-osd.15.log

Thank you!

Br,
Tuomas



-----Original Message-----
From: Sage Weil [mailto:sage@xxxxxxxxxxxx] 
Sent: 28. huhtikuuta 2015 23:57
To: Tuomas Juntunen
Cc: ceph-users@xxxxxxxxxxxxxx; ceph-devel@xxxxxxxxxxxxxxx
Subject: Re:  Upgrade from Giant to Hammer and after some basic
operations most of the OSD's went down

Hi Tuomas,

I've pushed an updated wip-hammer-snaps branch.  Can you please try it?  
The build will appear here

	
http://gitbuilder.ceph.com/ceph-deb-trusty-x86_64-basic/sha1/08bf531331afd5e
2eb514067f72afda11bcde286

(or a similar url; adjust for your distro).

Thanks!
sage


On Tue, 28 Apr 2015, Sage Weil wrote:

> [adding ceph-devel]
> 
> Okay, I see the problem.  This seems to be unrelated ot the giant -> 
> hammer move... it's a result of the tiering changes you made:
> 
> > > > > > > The following:
> > > > > > > 
> > > > > > > ceph osd tier add img images --force-nonempty ceph osd 
> > > > > > > tier cache-mode images forward ceph osd tier set-overlay 
> > > > > > > img images
> 
> Specifically, --force-nonempty bypassed important safety checks.
> 
> 1. images had snapshots (and removed_snaps)
> 
> 2. images was added as a tier *of* img, and img's removed_snaps was 
> copied to images, clobbering the removed_snaps value (see
> OSDMap::Incremental::propagate_snaps_to_tiers)
> 
> 3. tiering relation was undone, but removed_snaps was still gone
> 
> 4. on OSD startup, when we load the PG, removed_snaps is initialized 
> with the older map.  later, in PGPool::update(), we assume that 
> removed_snaps alwasy grows (never shrinks) and we trigger an assert.
> 
> To fix this I think we need to do 2 things:
> 
> 1. make the OSD forgiving out removed_snaps getting smaller.  This is 
> probably a good thing anyway: once we know snaps are removed on all 
> OSDs we can prune the interval_set in the OSDMap.  Maybe.
> 
> 2. Fix the mon to prevent this from happening, *even* when 
> --force-nonempty is specified.  (This is the root cause.)
> 
> I've opened http://tracker.ceph.com/issues/11493 to track this.
> 
> sage
> 
>     
> 
> > > > > > > 
> > > > > > > Idea was to make images as a tier to img, move data to img 
> > > > > > > then change
> > > > > > clients to use the new img pool.
> > > > > > > 
> > > > > > > Br,
> > > > > > > Tuomas
> > > > > > > 
> > > > > > > > Can you explain exactly what you mean by:
> > > > > > > >
> > > > > > > > "Also I created one pool for tier to be able to move 
> > > > > > > > data without
> > > > > > outage."
> > > > > > > >
> > > > > > > > -Sam
> > > > > > > > ----- Original Message -----
> > > > > > > > From: "tuomas juntunen" 
> > > > > > > > <tuomas.juntunen@xxxxxxxxxxxxxxx>
> > > > > > > > To: "Ian Colle" <icolle@xxxxxxxxxx>
> > > > > > > > Cc: ceph-users@xxxxxxxxxxxxxx
> > > > > > > > Sent: Monday, April 27, 2015 4:23:44 AM
> > > > > > > > Subject: Re:  Upgrade from Giant to Hammer 
> > > > > > > > and after some basic operations most of the OSD's went 
> > > > > > > > down
> > > > > > > >
> > > > > > > > Hi
> > > > > > > >
> > > > > > > > Any solution for this yet?
> > > > > > > >
> > > > > > > > Br,
> > > > > > > > Tuomas
> > > > > > > >
> > > > > > > >> It looks like you may have hit
> > > > > > > >> http://tracker.ceph.com/issues/7915
> > > > > > > >>
> > > > > > > >> Ian R. Colle
> > > > > > > >> Global Director
> > > > > > > >> of Software Engineering Red Hat (Inktank is now part of 
> > > > > > > >> Red Hat!) http://www.linkedin.com/in/ircolle
> > > > > > > >> http://www.twitter.com/ircolle
> > > > > > > >> Cell: +1.303.601.7713
> > > > > > > >> Email: icolle@xxxxxxxxxx
> > > > > > > >>
> > > > > > > >> ----- Original Message -----
> > > > > > > >> From: "tuomas juntunen" 
> > > > > > > >> <tuomas.juntunen@xxxxxxxxxxxxxxx>
> > > > > > > >> To: ceph-users@xxxxxxxxxxxxxx
> > > > > > > >> Sent: Monday, April 27, 2015 1:56:29 PM
> > > > > > > >> Subject:  Upgrade from Giant to Hammer and 
> > > > > > > >> after some basic operations most of the OSD's went down
> > > > > > > >>
> > > > > > > >>
> > > > > > > >>
> > > > > > > >> I upgraded Ceph from 0.87 Giant to 0.94.1 Hammer
> > > > > > > >>
> > > > > > > >> Then created new pools and deleted some old ones. Also 
> > > > > > > >> I created one pool for tier to be able to move data 
> > > > > > > >> without
> > outage.
> > > > > > > >>
> > > > > > > >> After these operations all but 10 OSD's are down and 
> > > > > > > >> creating this kind of messages to logs, I get more than 
> > > > > > > >> 100gb of these in a
> > > > > night:
> > > > > > > >>
> > > > > > > >>  -19> 2015-04-27 10:17:08.808584 7fd8e748d700  5 osd.23
> > pg_epoch:
> > > 
> > > > > > > >> 17882 pg[0.189( v 8480'7 (0'0,8480'7] local-les=16609 
> > > > > > > >> n=0
> > > > > > > >> ec=1 les/c
> > > > > > > >> 16609/16659
> > > > > > > >> 16590/16590/16590) [24,3,23] r=2 lpr=17838
> > > > > > > >> pi=15659-16589/42
> > > > > > > >> crt=8480'7 lcod
> > > > > > > >> 0'0 inactive NOTIFY] enter Started
> > > > > > > >>    -18> 2015-04-27 10:17:08.808596 7fd8e748d700  5 
> > > > > > > >> osd.23
> > > pg_epoch:
> > > > 
> > > > > > > >> 17882 pg[0.189( v 8480'7 (0'0,8480'7] local-les=16609 
> > > > > > > >> n=0
> > > > > > > >> ec=1 les/c
> > > > > > > >> 16609/16659
> > > > > > > >> 16590/16590/16590) [24,3,23] r=2 lpr=17838
> > > > > > > >> pi=15659-16589/42
> > > > > > > >> crt=8480'7 lcod
> > > > > > > >> 0'0 inactive NOTIFY] enter Start
> > > > > > > >>    -17> 2015-04-27 10:17:08.808608 7fd8e748d700  1 
> > > > > > > >> osd.23
> > > pg_epoch:
> > > > 
> > > > > > > >> 17882 pg[0.189( v 8480'7 (0'0,8480'7] local-les=16609 
> > > > > > > >> n=0
> > > > > > > >> ec=1 les/c
> > > > > > > >> 16609/16659
> > > > > > > >> 16590/16590/16590) [24,3,23] r=2 lpr=17838
> > > > > > > >> pi=15659-16589/42
> > > > > > > >> crt=8480'7 lcod
> > > > > > > >> 0'0 inactive NOTIFY] state<Start>: transitioning to Stray
> > > > > > > >>    -16> 2015-04-27 10:17:08.808621 7fd8e748d700  5 
> > > > > > > >> osd.23
> > > pg_epoch:
> > > > 
> > > > > > > >> 17882 pg[0.189( v 8480'7 (0'0,8480'7] local-les=16609 
> > > > > > > >> n=0
> > > > > > > >> ec=1 les/c
> > > > > > > >> 16609/16659
> > > > > > > >> 16590/16590/16590) [24,3,23] r=2 lpr=17838
> > > > > > > >> pi=15659-16589/42
> > > > > > > >> crt=8480'7 lcod
> > > > > > > >> 0'0 inactive NOTIFY] exit Start 0.000025 0 0.000000
> > > > > > > >>    -15> 2015-04-27 10:17:08.808637 7fd8e748d700  5 
> > > > > > > >> osd.23
> > > pg_epoch:
> > > > 
> > > > > > > >> 17882 pg[0.189( v 8480'7 (0'0,8480'7] local-les=16609 
> > > > > > > >> n=0
> > > > > > > >> ec=1 les/c
> > > > > > > >> 16609/16659
> > > > > > > >> 16590/16590/16590) [24,3,23] r=2 lpr=17838
> > > > > > > >> pi=15659-16589/42
> > > > > > > >> crt=8480'7 lcod
> > > > > > > >> 0'0 inactive NOTIFY] enter Started/Stray
> > > > > > > >>    -14> 2015-04-27 10:17:08.808796 7fd8e748d700  5 
> > > > > > > >> osd.23
> > > pg_epoch:
> > > > 
> > > > > > > >> 17882 pg[10.181( empty local-les=17879 n=0 ec=17863 
> > > > > > > >> les/c
> > > > > > > >> 17879/17879
> > > > > > > >> 17863/17863/17863) [25,5,23] r=2 lpr=17879 crt=0'0 
> > > > > > > >> inactive NOTIFY] exit Reset 0.119467 4 0.000037
> > > > > > > >>    -13> 2015-04-27 10:17:08.808817 7fd8e748d700  5 
> > > > > > > >> osd.23
> > > pg_epoch:
> > > > 
> > > > > > > >> 17882 pg[10.181( empty local-les=17879 n=0 ec=17863 
> > > > > > > >> les/c
> > > > > > > >> 17879/17879
> > > > > > > >> 17863/17863/17863) [25,5,23] r=2 lpr=17879 crt=0'0 
> > > > > > > >> inactive NOTIFY] enter Started
> > > > > > > >>    -12> 2015-04-27 10:17:08.808828 7fd8e748d700  5 
> > > > > > > >> osd.23
> > > pg_epoch:
> > > > 
> > > > > > > >> 17882 pg[10.181( empty local-les=17879 n=0 ec=17863 
> > > > > > > >> les/c
> > > > > > > >> 17879/17879
> > > > > > > >> 17863/17863/17863) [25,5,23] r=2 lpr=17879 crt=0'0 
> > > > > > > >> inactive NOTIFY] enter Start
> > > > > > > >>    -11> 2015-04-27 10:17:08.808838 7fd8e748d700  1 
> > > > > > > >> osd.23
> > > pg_epoch:
> > > > 
> > > > > > > >> 17882 pg[10.181( empty local-les=17879 n=0 ec=17863 
> > > > > > > >> les/c
> > > > > > > >> 17879/17879
> > > > > > > >> 17863/17863/17863) [25,5,23] r=2 lpr=17879 crt=0'0 
> > > > > > > >> inactive NOTIFY]
> > > > > > > >> state<Start>: transitioning to Stray
> > > > > > > >>    -10> 2015-04-27 10:17:08.808849 7fd8e748d700  5 
> > > > > > > >> osd.23
> > > pg_epoch:
> > > > 
> > > > > > > >> 17882 pg[10.181( empty local-les=17879 n=0 ec=17863 
> > > > > > > >> les/c
> > > > > > > >> 17879/17879
> > > > > > > >> 17863/17863/17863) [25,5,23] r=2 lpr=17879 crt=0'0 
> > > > > > > >> inactive NOTIFY] exit Start 0.000020 0 0.000000
> > > > > > > >>     -9> 2015-04-27 10:17:08.808861 7fd8e748d700  5 
> > > > > > > >> osd.23
> > > pg_epoch:
> > > > 
> > > > > > > >> 17882 pg[10.181( empty local-les=17879 n=0 ec=17863 
> > > > > > > >> les/c
> > > > > > > >> 17879/17879
> > > > > > > >> 17863/17863/17863) [25,5,23] r=2 lpr=17879 crt=0'0 
> > > > > > > >> inactive NOTIFY] enter Started/Stray
> > > > > > > >>     -8> 2015-04-27 10:17:08.809427 7fd8e748d700  5 
> > > > > > > >> osd.23
> > > pg_epoch:
> > > > 
> > > > > > > >> 17882 pg[2.189( empty local-les=16127 n=0 ec=1 les/c
> > > > > > > >> 16127/16344
> > > > > > > >> 16125/16125/16125) [23,5] r=0 lpr=17838 crt=0'0 mlcod 
> > > > > > > >> 0'0 inactive] exit Reset 7.511623 45 0.000165
> > > > > > > >>     -7> 2015-04-27 10:17:08.809445 7fd8e748d700  5 
> > > > > > > >> osd.23
> > > pg_epoch:
> > > > 
> > > > > > > >> 17882 pg[2.189( empty local-les=16127 n=0 ec=1 les/c
> > > > > > > >> 16127/16344
> > > > > > > >> 16125/16125/16125) [23,5] r=0 lpr=17838 crt=0'0 mlcod 
> > > > > > > >> 0'0 inactive] enter Started
> > > > > > > >>     -6> 2015-04-27 10:17:08.809456 7fd8e748d700  5 
> > > > > > > >> osd.23
> > > pg_epoch:
> > > > 
> > > > > > > >> 17882 pg[2.189( empty local-les=16127 n=0 ec=1 les/c
> > > > > > > >> 16127/16344
> > > > > > > >> 16125/16125/16125) [23,5] r=0 lpr=17838 crt=0'0 mlcod 
> > > > > > > >> 0'0 inactive] enter Start
> > > > > > > >>     -5> 2015-04-27 10:17:08.809468 7fd8e748d700  1 
> > > > > > > >> osd.23
> > > pg_epoch:
> > > > 
> > > > > > > >> 17882 pg[2.189( empty local-les=16127 n=0 ec=1 les/c
> > > > > > > >> 16127/16344
> > > > > > > >> 16125/16125/16125) [23,5] r=0 lpr=17838 crt=0'0 mlcod 
> > > > > > > >> 0'0 inactive]
> > > > > > > >> state<Start>: transitioning to Primary
> > > > > > > >>     -4> 2015-04-27 10:17:08.809479 7fd8e748d700  5 
> > > > > > > >> osd.23
> > > pg_epoch:
> > > > 
> > > > > > > >> 17882 pg[2.189( empty local-les=16127 n=0 ec=1 les/c
> > > > > > > >> 16127/16344
> > > > > > > >> 16125/16125/16125) [23,5] r=0 lpr=17838 crt=0'0 mlcod 
> > > > > > > >> 0'0 inactive] exit Start 0.000023 0 0.000000
> > > > > > > >>     -3> 2015-04-27 10:17:08.809492 7fd8e748d700  5 
> > > > > > > >> osd.23
> > > pg_epoch:
> > > > 
> > > > > > > >> 17882 pg[2.189( empty local-les=16127 n=0 ec=1 les/c
> > > > > > > >> 16127/16344
> > > > > > > >> 16125/16125/16125) [23,5] r=0 lpr=17838 crt=0'0 mlcod 
> > > > > > > >> 0'0 inactive] enter Started/Primary
> > > > > > > >>     -2> 2015-04-27 10:17:08.809502 7fd8e748d700  5 
> > > > > > > >> osd.23
> > > pg_epoch:
> > > > 
> > > > > > > >> 17882 pg[2.189( empty local-les=16127 n=0 ec=1 les/c
> > > > > > > >> 16127/16344
> > > > > > > >> 16125/16125/16125) [23,5] r=0 lpr=17838 crt=0'0 mlcod 
> > > > > > > >> 0'0 inactive] enter Started/Primary/Peering
> > > > > > > >>     -1> 2015-04-27 10:17:08.809513 7fd8e748d700  5 
> > > > > > > >> osd.23
> > > pg_epoch:
> > > > 
> > > > > > > >> 17882 pg[2.189( empty local-les=16127 n=0 ec=1 les/c
> > > > > > > >> 16127/16344
> > > > > > > >> 16125/16125/16125) [23,5] r=0 lpr=17838 crt=0'0 mlcod 
> > > > > > > >> 0'0 peering] enter Started/Primary/Peering/GetInfo
> > > > > > > >>      0> 2015-04-27 10:17:08.813837 7fd8e748d700 -1
> > > > > > ./include/interval_set.h:
> > > > > > > >> In
> > > > > > > >> function 'void interval_set<T>::erase(T, T) [with T =
> > snapid_t]' 
> > > > > > > >> thread
> > > > > > > >> 7fd8e748d700 time 2015-04-27 10:17:08.809899
> > > > > > > >> ./include/interval_set.h: 385: FAILED assert(_size >= 
> > > > > > > >> 0)
> > > > > > > >>
> > > > > > > >>  ceph version 0.94.1
> > > > > > > >> (e4bfad3a3c51054df7e537a724c8d0bf9be972ff)
> > > > > > > >>  1: (ceph::__ceph_assert_fail(char const*, char const*, 
> > > > > > > >> int, char
> > > > > > > >> const*)+0x8b)
> > > > > > > >> [0xbc271b]
> > > > > > > >>  2: 
> > > > > > > >> (interval_set<snapid_t>::subtract(interval_set<snapid_t
> > > > > > > >> >
> > > > > > > >> const&)+0xb0) [0x82cd50]
> > > > > > > >>  3: (PGPool::update(std::tr1::shared_ptr<OSDMap
> > > > > > > >> const>)+0x52e) [0x80113e]
> > > > > > > >>  4: (PG::handle_advance_map(std::tr1::shared_ptr<OSDMap
> > > > > > > >> const>, std::tr1::shared_ptr<OSDMap const>, 
> > > > > > > >> const>std::vector<int,
> > > > > > > >> std::allocator<int> >&, int, std::vector<int, 
> > > > > > > >> std::allocator<int>
> > > > > > > >> >&, int, PG::RecoveryCtx*)+0x282) [0x801652]
> > > > > > > >>  5: (OSD::advance_pg(unsigned int, PG*, 
> > > > > > > >> ThreadPool::TPHandle&, PG::RecoveryCtx*, 
> > > > > > > >> std::set<boost::intrusive_ptr<PG>,
> > > > > > > >> std::less<boost::intrusive_ptr<PG> >, 
> > > > > > > >> std::allocator<boost::intrusive_ptr<PG> > >*)+0x2c3) 
> > > > > > > >> [0x6b0e43]
> > > > > > > >>  6: (OSD::process_peering_events(std::list<PG*,
> > > > > > > >> std::allocator<PG*>
> > > > > > > >> > const&,
> > > > > > > >> ThreadPool::TPHandle&)+0x21c) [0x6b191c]
> > > > > > > >>  7: (OSD::PeeringWQ::_process(std::list<PG*,
> > > > > > > >> std::allocator<PG*>
> > > > > > > >> > const&,
> > > > > > > >> ThreadPool::TPHandle&)+0x18) [0x709278]
> > > > > > > >>  8: (ThreadPool::worker(ThreadPool::WorkThread*)+0xa5e)
> > > > > > > >> [0xbb38ae]
> > > > > > > >>  9: (ThreadPool::WorkThread::entry()+0x10) [0xbb4950]
> > > > > > > >>  10: (()+0x8182) [0x7fd906946182]
> > > > > > > >>  11: (clone()+0x6d) [0x7fd904eb147d]
> > > > > > > >>
> > > > > > > >> Also by monitoring (ceph -w) I get the following 
> > > > > > > >> messages, also lots of
> > > > > > them.
> > > > > > > >>
> > > > > > > >> 2015-04-27 10:39:52.935812 mon.0 [INF] from='client.?
> > > > > > 10.20.0.13:0/1174409'
> > > > > > > >> entity='osd.30' cmd=[{"prefix": "osd crush 
> > > > > > > >> create-or-move",
> > > "args":
> > > > > > > >> ["host=ceph3", "root=default"], "id": 30, "weight": 1.82}]:

> > > > > > > >> dispatch
> > > > > > > >> 2015-04-27 10:39:53.297376 mon.0 [INF] from='client.?
> > > > > > 10.20.0.13:0/1174483'
> > > > > > > >> entity='osd.26' cmd=[{"prefix": "osd crush 
> > > > > > > >> create-or-move",
> > > "args":
> > > > > > > >> ["host=ceph3", "root=default"], "id": 26, "weight": 1.82}]:

> > > > > > > >> dispatch
> > > > > > > >>
> > > > > > > >>
> > > > > > > >> This is a cluster of 3 nodes with 36 OSD's, nodes are 
> > > > > > > >> also mons and mds's to save servers. All run Ubuntu
14.04.2.
> > > > > > > >>
> > > > > > > >> I have pretty much tried everything I could think of.
> > > > > > > >>
> > > > > > > >> Restarting daemons doesn't help.
> > > > > > > >>
> > > > > > > >> Any help would be appreciated. I can also provide more 
> > > > > > > >> logs if necessary. They just seem to get pretty large 
> > > > > > > >> in few
> > moments.
> > > > > > > >>
> > > > > > > >> Thank you
> > > > > > > >> Tuomas
> > > > > > > >>
> > > > > > > >>
> > > > > > > >> _______________________________________________
> > > > > > > >> 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
> > > > > > > >
> > > > > > > >
> > > > > > > >
> > > > > > > 
> > > > > > > 
> > > > > > > _______________________________________________
> > > > > > > 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
> > > > > > > 
> > > > > > > 
> > > > > > 
> > > > > 
> > > > > 
> > > > 
> > > > 
> > > 
> > 
> > 
> _______________________________________________
> ceph-users mailing list
> ceph-users@xxxxxxxxxxxxxx
> http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
> 
> 
{
    "epoch": 18610,
    "fsid": "a2974742-3805-4cd3-bc79-765f2bddaefe",
    "created": "2014-10-15 20:43:45.186949",
    "modified": "2015-04-29 06:49:32.691995",
    "flags": "",
    "cluster_snapshot": "",
    "pool_max": 17,
    "max_osd": 71,
    "pools": [
        {
            "pool": 0,
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    "primary_temp": [],
    "blacklist": [
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        "2015-04-29 07:11:05.620929",
        "2015-04-29 07:07:39.090155"
    ],
    "erasure_code_profiles": {
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            "k": "2",
            "m": "1",
            "plugin": "jerasure",
            "technique": "reed_sol_van"
        }
    }
}
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