Looking at the systemd service it does show that twice, at roughly the same time and one day apart, the service did receive a HUP signal:
Aug 29 16:31:02 carf-ceph-osd02 radosgw[130050]: 2017-08-29 16:31:02.528559 7fffc641c700 -1 received signal: Hangup from PID: 73176 task name: killall -q -1 ceph-mon ceph-mgr ceph-mds ceph-osd ceph-fuse radosgw UID: 0
Aug 30 16:32:02 carf-ceph-osd02 radosgw[130050]: 2017-08-30 16:32:02.529825 7fffc641c700 -1 received signal: Hangup from PID: 48062 task name: killall -q -1 ceph-mon ceph-mgr ceph-mds ceph-osd ceph-fuse radosgw UID: 0
Any idea what would do this?
I'll be updating the version to 12.2.0 shortly,
-Bryan
-----Original Message-----
From: ceph-users [mailto:ceph-users-bounces@lists.ceph.com ] On Behalf Of Bryan BanisterSent: Wednesday, August 30, 2017 3:42 PM
To: Yehuda Sadeh-Weinraub <yehuda@xxxxxxxxxx>
Cc: ceph-users@xxxxxxxxxxxxxx
Subject: Re: Repeated failures in RGW in Ceph 12.1.4
Note: External Email
------------------------------
-------------------
We are not sending a HUP signal that we know about. We were not modifying our configuration. However all user accounts in the RGW were lost!
-Bryan
-----Original Message-----
From: Yehuda Sadeh-Weinraub [mailto:yehuda@xxxxxxxxxx]
Sent: Wednesday, August 30, 2017 3:30 PM
To: Bryan Banister <bbanister@xxxxxxxxxxxxxxx>
Subject: Re: Repeated failures in RGW in Ceph 12.1.4
Note: External Email
------------------------------
-------------------
On Wed, Aug 30, 2017 at 5:44 PM, Bryan Banister
<bbanister@xxxxxxxxxxxxxxx> wrote:
> Not sure what’s happening but we started to but a decent load on the RGWs we
> have setup and we were seeing failures with the following kind of
> fingerprint:
>
>
>
> 2017-08-29 17:06:22.072361 7ffdc501a700 1 rgw realm reloader: Frontends
> paused
>
Are you modifying configuration? Could be that something is sending
HUP singal to the radosgw process. We disabled this behavior (process
dynamic reconfig after HUP) in 12.2.0.
Yehuda
> 2017-08-29 17:06:22.072359 7fffacbe9700 1 civetweb: 0x555556add000:
> 7.128.12.19 - - [29/Aug/2017:16:47:36 -0500] "PUT
> /blah?partNumber=8&uploadId=2~
L9MEmUUmZKb2y8JCotxo62yzdMbHmy e HTTP/1.1" 1 0 > - Minio (linux; amd64) minio-go/3.0.0
>
> 2017-08-29 17:06:22.072438 7fffcb426700 0 ERROR: failed to clone shard,
> completion_mgr.get_next() returned ret=-125
>
> 2017-08-29 17:06:23.689610 7ffdc501a700 1 rgw realm reloader: Store closed
>
> 2017-08-29 17:06:24.117630 7ffdc501a700 1 failed to decode the mdlog
> history: buffer::end_of_buffer
>
> 2017-08-29 17:06:24.117635 7ffdc501a700 1 failed to read mdlog history: (5)
> Input/output error
>
> 2017-08-29 17:06:24.118711 7ffdc501a700 1 rgw realm reloader: Creating new
> store
>
> 2017-08-29 17:06:24.118901 7ffdc501a700 1 mgrc service_daemon_register
> rgw.carf-ceph-osd01 metadata {arch=x86_64,ceph_version=ceph version 12.1.4
> (
a5f84b37668fc8e03165aaf5cbb380 c78e4deba4) luminous (rc),cpu=Intel(R) > Xeon(R) CPU E5-2680 v4 @ 2.40GHz,distro=rhel,distro_
description=Red Hat > Enterprise Linux Server 7.3
> (Maipo),distro_version=7.3,
frontend_config#0=civetweb port=80 > num_threads=1024,frontend_
type#0=civetweb,hos >
> tname=carf-ceph-osd01,kernel_
description=#1 SMP Tue Apr 4 04:49:42 CDT > 2017,kernel_version=3.10.0-
514.6.1.el7.jump3.x86_64,mem_ swap_kb=0,mem_total_kb= 263842036,num_handles=1,os= Linux,pid=14723,zone_id= b0634f34-67e2-4b44-ab00- 5282f1e2cd83,zone_name=carf01, zonegroup_id=8207fcf5-7bd3- 43df-ab5a-ea17e5949eec, zonegroup_name=us} >
> 2017-08-29 17:06:24.118925 7ffdc501a700 1 rgw realm reloader: Finishing
> initialization of new store
>
> 2017-08-29 17:06:24.118927 7ffdc501a700 1 rgw realm reloader: - REST
> subsystem init
>
> 2017-08-29 17:06:24.118943 7ffdc501a700 1 rgw realm reloader: - user
> subsystem init
>
> 2017-08-29 17:06:24.118947 7ffdc501a700 1 rgw realm reloader: - user
> subsystem init
>
> 2017-08-29 17:06:24.118950 7ffdc501a700 1 rgw realm reloader: - usage
> subsystem init
>
> 2017-08-29 17:06:24.118985 7ffdc501a700 1 rgw realm reloader: Resuming
> frontends with new realm configuration.
>
> 2017-08-29 17:06:24.119018 7fffad3ea700 1 ====== starting new request
> req=0x7fffad3e4190 =====
>
> 2017-08-29 17:06:24.119039 7fffacbe9700 1 ====== starting new request
> req=0x7fffacbe3190 =====
>
> 2017-08-29 17:06:24.120163 7fffacbe9700 1 ====== req done
> req=0x7fffacbe3190 op status=0 http_status=403 ======
>
> 2017-08-29 17:06:24.120200 7fffad3ea700 1 ====== req done
> req=0x7fffad3e4190 op status=0 http_status=403 ======
>
>
>
> Any help understanding how to fix this would be greatly appreciated!
>
> -Bryan
>
>
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