I set mon lease = 30 yesterday and it had no effect on the quorum election. To
give you an idea of how much cpu ms_dispatch is using, from the last mon
restart about 7.5 hours ago, the ms_dispatch thread has 5h 40m of cpu time.
Below are 2 snippets from perf top. I took them while ms_dispatch was 100% of a
core, the first is using the pid of the ceph-mon, the second is the pid of the
ms_dispatch thread. The last thing is a snippet from stracing the ms_dispatch
pid. It is running through all of the sst files.
perf top ceph-mon
Overhead Shared Object Symbol
17.71% libceph-common.so.0 [.] ceph::decode<pg_t, std::vector<int,
mempool::pool_allocator<(mempool::pool_index_t)15, int> >, std::less<pg_t>,
mempool::pool_allocator<(mempool::pool_index_t)15, std::pair<pg_t const, std::vector<int,
mempool::pool_allocator<(mempool::pool_index_t)15, int> > >
6.67% libceph-common.so.0 [.] ceph::buffer::ptr::release
5.35% libceph-common.so.0 [.] std::_Rb_tree<pg_t, std::pair<pg_t const, std::vector<int,
mempool::pool_allocator<(mempool::pool_index_t)15, int> > >, std::_Select1st<std::pair<pg_t const,
std::vector<int, mempool::pool_allocator<(mempool::pool_index_t)15, int> > > >, std::less<pg_t>, mempoo
5.20% libceph-common.so.0 [.] ceph::buffer::ptr::append
5.12% libceph-common.so.0 [.]
ceph::buffer::list::iterator_impl<false>::copy
4.66% libceph-common.so.0 [.] ceph::buffer::list::append
4.33% libstdc++.so.6.0.19 [.] std::_Rb_tree_increment
4.27% ceph-mon [.] std::_Rb_tree<pg_t, std::pair<pg_t const, std::vector<int,
mempool::pool_allocator<(mempool::pool_index_t)15, int> > >, std::_Select1st<std::pair<pg_t const,
std::vector<int, mempool::pool_allocator<(mempool::pool_index_t)15, int> > > >, std::less<pg_t>, mempoo
4.18% libceph-common.so.0 [.] ceph::buffer::list::append
3.10% libceph-common.so.0 [.] ceph::decode<std::vector<int,
mempool::pool_allocator<(mempool::pool_index_t)15, int> >, denc_traits<std::vector<int,
mempool::pool_allocator<(mempool::pool_index_t)15, int> >, void> >
2.90% libceph-common.so.0 [.] ceph::encode<pg_t, std::vector<int,
mempool::pool_allocator<(mempool::pool_index_t)15, int> >, std::less<pg_t>,
mempool::pool_allocator<(mempool::pool_index_t)15, std::pair<pg_t const, std::vector<int,
mempool::pool_allocator<(mempool::pool_index_t)15, int> > >
2.56% libceph-common.so.0 [.] ceph::buffer::ptr::ptr
2.50% libstdc++.so.6.0.19 [.] std::_Rb_tree_insert_and_rebalance
2.39% libceph-common.so.0 [.] ceph::buffer::ptr::copy_out
2.33% libceph-common.so.0 [.]
ceph::buffer::list::iterator_impl<false>::advance
2.21% libtcmalloc.so.4.4.5 [.]
tcmalloc::CentralFreeList::FetchFromOneSpans
1.97% libtcmalloc.so.4.4.5 [.] tcmalloc::CentralFreeList::ReleaseToSpans
1.60% libceph-common.so.0 [.] crc32_iscsi_00
1.42% libtcmalloc.so.4.4.5 [.] operator new[]
1.29% libceph-common.so.0 [.] ceph::buffer::ptr::unused_tail_length
1.28% libceph-common.so.0 [.]
ceph::buffer::list::iterator_impl<false>::copy_shallow
1.25% libceph-common.so.0 [.] ceph::buffer::ptr::raw_length@plt
1.06% libceph-common.so.0 [.] ceph::buffer::ptr::end_c_str
1.06% libceph-common.so.0 [.] ceph::buffer::list::iterator::copy
0.99% libc-2.17.so [.] __memcpy_ssse3_back
0.94% libc-2.17.so [.] _IO_default_xsputn
0.89% libceph-common.so.0 [.]
ceph::buffer::list::iterator_impl<false>::advance@plt
0.87% libtcmalloc.so.4.4.5 [.]
tcmalloc::ThreadCache::ReleaseToCentralCache
0.76% libleveldb.so.1.0.7 [.] leveldb::FindFile
0.72% [vdso] [.] __vdso_clock_gettime
0.67% ceph-mon [.] std::_Rb_tree<pg_t, std::pair<pg_t const, std::vector<int,
mempool::pool_allocator<(mempool::pool_index_t)15, int> > >, std::_Select1st<std::pair<pg_t const,
std::vector<int, mempool::pool_allocator<(mempool::pool_index_t)15, int> > > >, std::less<pg_t>, mempoo
0.63% libtcmalloc.so.4.4.5 [.] tc_deletearray_nothrow
0.59% libceph-common.so.0 [.] ceph::buffer::list::iterator::advance
0.52% libceph-common.so.0 [.]
ceph::buffer::list::iterator::get_current_ptr
perf top ms_dispatch
11.88% libceph-common.so.0 [.] ceph::decode<pg_t, std::vector<int,
mempool::pool_allocator<(mempool::pool_index_t)15, int> >, std::less<pg_t>,
mempool::pool_allocator<(mempool::pool_index_t)15, std::pair<pg_t const, std::vector<int,
mempool::pool_allocator<(mempool::pool_index_t)15, int> > >
11.23% [kernel] [k] system_call_after_swapgs
9.36% libceph-common.so.0 [.] crush_hash32_3
6.55% libceph-common.so.0 [.] crush_choose_indep
4.39% [kernel] [k] smp_call_function_many
3.17% libceph-common.so.0 [.] ceph::buffer::list::append
3.03% libceph-common.so.0 [.] ceph::buffer::list::append
3.02% libceph-common.so.0 [.] std::_Rb_tree<pg_t, std::pair<pg_t const, std::vector<int,
mempool::pool_allocator<(mempool::pool_index_t)15, int> > >, std::_Select1st<std::pair<pg_t const,
std::vector<int, mempool::pool_allocator<(mempool::pool_index_t)15, int> > > >, std::less<pg_t>, mempoo
2.92% libceph-common.so.0 [.] ceph::buffer::ptr::release
2.65% libceph-common.so.0 [.]
ceph::buffer::list::iterator_impl<false>::advance
2.57% ceph-mon [.] std::_Rb_tree<pg_t, std::pair<pg_t const, std::vector<int,
mempool::pool_allocator<(mempool::pool_index_t)15, int> > >, std::_Select1st<std::pair<pg_t const,
std::vector<int, mempool::pool_allocator<(mempool::pool_index_t)15, int> > > >, std::less<pg_t>, mempoo
2.27% libceph-common.so.0 [.] ceph::buffer::ptr::ptr
1.99% libstdc++.so.6.0.19 [.] std::_Rb_tree_increment
1.93% libc-2.17.so [.] __memcpy_ssse3_back
1.91% libceph-common.so.0 [.] ceph::buffer::ptr::append
1.87% libceph-common.so.0 [.] crush_hash32_3@plt
1.84% libceph-common.so.0 [.]
ceph::buffer::list::iterator_impl<false>::copy
1.75% libtcmalloc.so.4.4.5 [.]
tcmalloc::CentralFreeList::FetchFromOneSpans
1.63% libceph-common.so.0 [.] ceph::encode<pg_t, std::vector<int,
mempool::pool_allocator<(mempool::pool_index_t)15, int> >, std::less<pg_t>,
mempool::pool_allocator<(mempool::pool_index_t)15, std::pair<pg_t const, std::vector<int,
mempool::pool_allocator<(mempool::pool_index_t)15, int> > >
1.57% libceph-common.so.0 [.] ceph::buffer::ptr::copy_out
1.55% libstdc++.so.6.0.19 [.] std::_Rb_tree_insert_and_rebalance
1.47% libceph-common.so.0 [.] ceph::buffer::ptr::raw_length
1.33% libtcmalloc.so.4.4.5 [.] tc_deletearray_nothrow
1.09% libceph-common.so.0 [.] ceph::decode<std::vector<int,
mempool::pool_allocator<(mempool::pool_index_t)15, int> >, denc_traits<std::vector<int,
mempool::pool_allocator<(mempool::pool_index_t)15, int> >, void> >
1.07% libtcmalloc.so.4.4.5 [.] operator new[]
1.02% libceph-common.so.0 [.] ceph::buffer::list::iterator::copy
1.01% libtcmalloc.so.4.4.5 [.] tc_posix_memalign
0.85% ceph-mon [.] ceph::buffer::ptr::release@plt
0.76% libceph-common.so.0 [.] ceph::buffer::ptr::copy_out@plt
0.74% libceph-common.so.0 [.] crc32_iscsi_00
strace
munmap(0x7f2eda736000, 2463941) = 0
open("/var/lib/ceph/mon/ceph-sephmon1/store.db/26299339.sst", O_RDONLY) = 429
stat("/var/lib/ceph/mon/ceph-sephmon1/store.db/26299339.sst",
{st_mode=S_IFREG|0644, st_size=1658656, ...}) = 0
mmap(NULL, 1658656, PROT_READ, MAP_SHARED, 429, 0) = 0x7f2eea87e000
close(429) = 0
munmap(0x7f2ea8c97000, 2468005) = 0
open("/var/lib/ceph/mon/ceph-sephmon1/store.db/26299338.sst", O_RDONLY) = 429
stat("/var/lib/ceph/mon/ceph-sephmon1/store.db/26299338.sst",
{st_mode=S_IFREG|0644, st_size=2484001, ...}) = 0
mmap(NULL, 2484001, PROT_READ, MAP_SHARED, 429, 0) = 0x7f2eda74b000
close(429) = 0
munmap(0x7f2ee21dc000, 2472343) = 0
Kevin
On 09/19/2018 06:50 AM, Sage Weil wrote:
On Wed, 19 Sep 2018, KEVIN MICHAEL HRPCEK wrote:
Sage,
Unfortunately the mon election problem came back yesterday and it makes
it really hard to get a cluster to stay healthy. A brief unexpected
network outage occurred and sent the cluster into a frenzy and when I
had it 95% healthy the mons started their nonstop reelections. In the
previous logs I sent were you able to identify why the mons are
constantly electing? The elections seem to be triggered by the below
paxos message but do you know which lease timeout is being reached or
why the lease isn't renewed instead of calling for an election?
One thing I tried was to shutdown the entire cluster and bring up only
the mon and mgr. The mons weren't able to hold their quorum with no osds
running and the ceph-mon ms_dispatch thread runs at 100% for > 60s at a
time.
This is odd... with no other dameons running I'm not sure what would be
eating up the CPU. Can you run a 'perf top -p `pidof ceph-mon`' (or
similar) on the machine to see what the process is doing? You might need
to install ceph-mon-dbg or ceph-debuginfo to get better symbols.
2018-09-19 03:56:21.729 7f4344ec1700 1 mon.sephmon2@1(peon).paxos(paxos
active c 133382665..133383355) lease_timeout -- calling new election
A workaround is probably to increase the lease timeout. Try setting
mon_lease = 15 (default is 5... could also go higher than 15) in the
ceph.conf for all of the mons. This is a bit of a band-aid but should
help you keep the mons in quorum until we sort out what is going on.
sage
Thanks
Kevin
On 09/10/2018 07:06 AM, Sage Weil wrote:
I took a look at the mon log you sent. A few things I noticed:
- The frequent mon elections seem to get only 2/3 mons about half of the
time.
- The messages coming in a mostly osd_failure, and half of those seem to
be recoveries (cancellation of the failure message).
It does smell a bit like a networking issue, or some tunable that relates
to the messaging layer. It might be worth looking at an OSD log for an
osd that reported a failure and seeing what error code it coming up on the
failed ping connection? That might provide a useful hint (e.g.,
ECONNREFUSED vs EMFILE or something).
I'd also confirm that with nodown set the mon quorum stabilizes...
sage
On Mon, 10 Sep 2018, Kevin Hrpcek wrote:
Update for the list archive.
I went ahead and finished the mimic upgrade with the osds in a fluctuating
state of up and down. The cluster did start to normalize a lot easier after
everything was on mimic since the random mass OSD heartbeat failures stopped
and the constant mon election problem went away. I'm still battling with the
cluster reacting poorly to host reboots or small map changes, but I feel like
my current pg:osd ratio may be playing a factor in that since we are 2x normal
pg count while migrating data to new EC pools.
I'm not sure of the root cause but it seems like the mix of luminous and mimic
did not play well together for some reason. Maybe it has to do with the scale
of my cluster, 871 osd, or maybe I've missed some some tuning as my cluster
has scaled to this size.
Kevin
On 09/09/2018 12:49 PM, Kevin Hrpcek wrote:
Nothing too crazy for non default settings. Some of those osd settings were
in place while I was testing recovery speeds and need to be brought back
closer to defaults. I was setting nodown before but it seems to mask the
problem. While its good to stop the osdmap changes, OSDs would come up, get
marked up, but at some point go down again (but the process is still
running) and still stay up in the map. Then when I'd unset nodown the
cluster would immediately mark 250+ osd down again and i'd be back where I
started.
This morning I went ahead and finished the osd upgrades to mimic to remove
that variable. I've looked for networking problems but haven't found any. 2
of the mons are on the same switch. I've also tried combinations of shutting
down a mon to see if a single one was the problem, but they keep electing no
matter the mix of them that are up. Part of it feels like a networking
problem but I haven't been able to find a culprit yet as everything was
working normally before starting the upgrade. Other than the constant mon
elections, yesterday I had the cluster 95% healthy 3 or 4 times, but it
doesn't last long since at some point the OSDs start trying to fail each
other through their heartbeats.
2018-09-09 17:37:29.079 7eff774f5700 1 mon.sephmon1@0(leader).osd e991282
prepare_failure osd.39 10.1.9.2:6802/168438 from osd.49 10.1.9.3:6884/317908
is reporting failure:1
2018-09-09 17:37:29.079 7eff774f5700 0 log_channel(cluster) log [DBG] :
osd.39 10.1.9.2:6802/168438 reported failed by osd.49 10.1.9.3:6884/317908
2018-09-09 17:37:29.083 7eff774f5700 1 mon.sephmon1@0(leader).osd e991282
prepare_failure osd.93 10.1.9.9:6853/287469 from osd.372
10.1.9.13:6801/275806 is reporting failure:1
I'm working on getting things mostly good again with everything on mimic and
will see if it behaves better.
Thanks for your input on this David.
[global]
mon_initial_members = sephmon1, sephmon2, sephmon3
mon_host = 10.1.9.201,10.1.9.202,10.1.9.203
auth_cluster_required = cephx
auth_service_required = cephx
auth_client_required = cephx
filestore_xattr_use_omap = true
public_network = 10.1.0.0/16
osd backfill full ratio = 0.92
osd failsafe nearfull ratio = 0.90
osd max object size = 21474836480
mon max pg per osd = 350
[mon]
mon warn on legacy crush tunables = false
mon pg warn max per osd = 300
mon osd down out subtree limit = host
mon osd nearfull ratio = 0.90
mon osd full ratio = 0.97
mon health preluminous compat warning = false
osd heartbeat grace = 60
rocksdb cache size = 1342177280
[mds]
mds log max segments = 100
mds log max expiring = 40
mds bal fragment size max = 200000
mds cache memory limit = 4294967296
[osd]
osd mkfs options xfs = -i size=2048 -d su=512k,sw=1
osd recovery delay start = 30
osd recovery max active = 5
osd max backfills = 3
osd recovery threads = 2
osd crush initial weight = 0
osd heartbeat interval = 30
osd heartbeat grace = 60
On 09/08/2018 11:24 PM, David Turner wrote:
What osd/mon/etc config settings do you have that are not default? It
might be worth utilizing nodown to stop osds from marking each other down
and finish the upgrade to be able to set the minimum osd version to mimic.
Stop the osds in a node, manually mark them down, start them back up in
mimic. Depending on how bad things are, setting pause on the cluster to
just finish the upgrade faster might not be a bad idea either.
This should be a simple question, have you confirmed that there are no
networking problems between the MONs while the elections are happening?
On Sat, Sep 8, 2018, 7:52 PM Kevin Hrpcek
<kevin.hrp...@ssec.wisc.edu<mailto:kevin.hrp...@ssec.wisc.edu><mailto:kevin.hrp...@ssec.wisc.edu><mailto:kevin.hrp...@ssec.wisc.edu>
<mailto:kevin.hrp...@ssec.wisc.edu><mailto:kevin.hrp...@ssec.wisc.edu><mailto:kevin.hrp...@ssec.wisc.edu><mailto:kevin.hrp...@ssec.wisc.edu>>
wrote:
Hey Sage,
I've posted the file with my email address for the user. It is
with debug_mon 20/20, debug_paxos 20/20, and debug ms 1/5. The
mons are calling for elections about every minute so I let this
run for a few elections and saw this node become the leader a
couple times. Debug logs start around 23:27:30. I had managed to
get about 850/857 osds up, but it seems that within the last 30
min it has all gone bad again due to the OSDs reporting each
other as failed. We relaxed the osd_heartbeat_interval to 30 and
osd_heartbeat_grace to 60 in an attempt to slow down how quickly
OSDs are trying to fail each other. I'll put in the
rocksdb_cache_size setting.
Thanks for taking a look.
Kevin
On 09/08/2018 06:04 PM, Sage Weil wrote:
Hi Kevin,
I can't think of any major luminous->mimic changes off the top of my
head
that would impact CPU usage, but it's always possible there is
something
subtle. Can you ceph-post-file a the full log from one of your mons
(preferbably the leader)?
You might try adjusting the rocksdb cache size.. try setting
rocksdb_cache_size = 1342177280 # 10x the default, ~1.3 GB
on the mons and restarting?
Thanks!
sage
On Sat, 8 Sep 2018, Kevin Hrpcek wrote:
Hello,
I've had a Luminous -> Mimic upgrade go very poorly and my cluster
is stuck
with almost all pgs down. One problem is that the mons have
started to
re-elect a new quorum leader almost every minute. This is making
it difficult
to monitor the cluster and even run any commands on it since at
least half the
time a ceph command times out or takes over a minute to return
results. I've
looked at the debug logs and it appears there is some timeout
occurring with
paxos of about a minute. The msg_dispatch thread of the mons is
often running
a core at 100% for about a minute(user time, no iowait). Running
strace on it
shows the process is going through all of the mon db files (about
6gb in
store.db/*.sst). Does anyone have an idea of what this timeout is
or why my
mons are always reelecting? One theory I have is that the
msg_dispatch can't
process the SST's fast enough and hits some timeout for a health
check and the
mon drops itself from the quorum since it thinks it isn't healthy.
I've been
thinking of introducing a new mon to the cluster on hardware with
a better cpu
to see if that can process the SSTs within this timeout.
My cluster has the mons,mds,mgr and 30/41 osd servers on mimic,
and 11/41 osd
servers on luminous. The original problem started when I restarted
the osds on
one of the hosts. The cluster reacted poorly to them going down
and went into
a frenzy of taking down other osds and remapping. I eventually got
that stable
and the PGs were 90% good with the finish line in sight and then
the mons
started their issue of releecting every minute. Now I can't keep
any decent
amount of PGs up for more than a few hours. This started on
Wednesday.....
Any help would be greatly appreciated.
Thanks,
Kevin
--Debug snippet from a mon at reelection time
2018-09-07 20:08:08.655 7f57b92cd700 20 mon.sephmon2@1(leader).mds
e14242
maybe_resize_cluster in 1 max 1
2018-09-07 20:08:08.655 7f57b92cd700 4 mon.sephmon2@1(leader).mds
e14242
tick: resetting beacon timeouts due to mon delay (slow election?)
of 59.8106s
seconds
2018-09-07 20:08:08.655 7f57b92cd700 10
mon.sephmon2@1(leader).paxosservice(mdsmap 13504..14242)
maybe_trim trim_to
13742 would only trim 238 < paxos_service_trim_min 250
2018-09-07 20:08:08.655 7f57b92cd700 10
mon.sephmon2@1(leader).auth v120657
auth
2018-09-07 20:08:08.655 7f57b92cd700 10
mon.sephmon2@1(leader).auth v120657
check_rotate updated rotating
2018-09-07 20:08:08.655 7f57b92cd700 10
mon.sephmon2@1(leader).paxosservice(auth 120594..120657)
propose_pending
2018-09-07 20:08:08.655 7f57b92cd700 10
mon.sephmon2@1(leader).auth v120657
encode_pending v 120658
2018-09-07 20:08:08.655 7f57b92cd700 5
mon.sephmon2@1(leader).paxos(paxos
updating c 132917556..132918214) queue_pending_finisher
0x55dce8e5b370
2018-09-07 20:08:08.655 7f57b92cd700 10
mon.sephmon2@1(leader).paxos(paxos
updating c 132917556..132918214) trigger_propose not active, will
propose
later
2018-09-07 20:08:08.655 7f57b92cd700 4 mon.sephmon2@1(leader).mgr
e2234 tick:
resetting beacon timeouts due to mon delay (slow election?) of
59.8844s
seconds
2018-09-07 20:08:08.655 7f57b92cd700 10
mon.sephmon2@1(leader).paxosservice(mgr 1513..2234) maybe_trim
trim_to 1734
would only trim 221 < paxos_service_trim_min 250
2018-09-07 20:08:08.655 7f57b92cd700 10
mon.sephmon2@1(leader).health tick
2018-09-07 20:08:08.655 7f57b92cd700 20
mon.sephmon2@1(leader).health
check_member_health
2018-09-07 20:08:08.657 7f57bcdd0700 1 --10.1.9.202:6789/0
<http://10.1.9.202:6789/0><http://10.1.9.202:6789/0><http://10.1.9.202:6789/0><http://10.1.9.202:6789/0>
>> -
conn(0x55dcee55be00 :6789 s=STATE_ACCEPTING pgs=0 cs=0
l=0)._process_connection sd=447 -
2018-09-07 20:08:08.657 7f57bcdd0700 10 mon.sephmon2@1(leader) e17
ms_verify_authorizer10.1.9.32:6823/4007
<http://10.1.9.32:6823/4007><http://10.1.9.32:6823/4007><http://10.1.9.32:6823/4007><http://10.1.9.32:6823/4007>
osd protocol 0
2018-09-07 20:08:08.662 7f57b92cd700 10
mon.sephmon2@1(leader).health
check_member_health avail 79% total 40 GiB, used 8.4 GiB, avail 32
GiB
2018-09-07 20:08:08.662 7f57b92cd700 20
mon.sephmon2@1(leader).health
check_leader_health
2018-09-07 20:08:08.662 7f57b92cd700 10
mon.sephmon2@1(leader).paxosservice(health 1534..1720) maybe_trim
trim_to 1715
would only trim 181 < paxos_service_trim_min 250
2018-09-07 20:08:08.662 7f57b92cd700 10
mon.sephmon2@1(leader).config tick
2018-09-07 20:08:08.662 7f57b92cd700 20 mon.sephmon2@1(leader) e17
sync_trim_providers
2018-09-07 20:08:08.662 7f57b92cd700 -1 mon.sephmon2@1(leader) e17
get_health_metrics reporting 1940 slow ops, oldest is
osd_failure(failed
timeout osd.7210.1.9.9:6800/68904
<http://10.1.9.9:6800/68904><http://10.1.9.9:6800/68904><http://10.1.9.9:6800/68904><http://10.1.9.9:6800/68904>
for 317sec e987498 v987498)
2018-09-07 20:08:08.662 7f57b92cd700 1
mon.sephmon2@1(leader).paxos(paxos
updating c 132917556..132918214) accept timeout, calling fresh
election
2018-09-07 20:08:08.662 7f57b92cd700 10 mon.sephmon2@1(leader) e17
bootstrap
2018-09-07 20:08:08.662 7f57b92cd700 10 mon.sephmon2@1(leader) e17
sync_reset_requester
2018-09-07 20:08:08.662 7f57b92cd700 10 mon.sephmon2@1(leader) e17
unregister_cluster_logger
2018-09-07 20:08:08.662 7f57b92cd700 10 mon.sephmon2@1(leader) e17
cancel_probe_timeout (none scheduled)
2018-09-07 20:08:08.662 7f57b92cd700 10 mon.sephmon2@1(probing)
e17 _reset
2018-09-07 20:08:08.662 7f57b92cd700 10 mon.sephmon2@1(probing)
e17
cancel_probe_timeout (none scheduled)
2018-09-07 20:08:08.662 7f57b92cd700 10 mon.sephmon2@1(probing)
e17
timecheck_finish
2018-09-07 20:08:08.662 7f57b92cd700 15 mon.sephmon2@1(probing)
e17
health_tick_stop
2018-09-07 20:08:08.662 7f57b92cd700 15 mon.sephmon2@1(probing)
e17
health_interval_stop
2018-09-07 20:08:08.662 7f57b92cd700 10 mon.sephmon2@1(probing)
e17
scrub_event_cancel
2018-09-07 20:08:08.662 7f57b92cd700 10 mon.sephmon2@1(probing)
e17
scrub_reset
2018-09-07 20:08:08.662 7f57b92cd700 10
mon.sephmon2@1(probing).paxos(paxos
updating c 132917556..132918214) restart -- canceling timeouts
2018-09-07 20:08:08.662 7f57b92cd700 10
mon.sephmon2@1(probing).paxosservice(mdsmap 13504..14242) restart
2018-09-07 20:08:08.662 7f57b92cd700 10
mon.sephmon2@1(probing).paxosservice(osdmap 917471..987503)
restart
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