Re: MDS stuck in "up:replay"

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



Hi Thomas,

On Tue, Jan 17, 2023 at 5:34 PM Thomas Widhalm
<thomas.widhalm@xxxxxxxxxx> wrote:
>
> Another new thing that just happened:
>
> One of the MDS just crashed out of nowhere.
>
> /home/jenkins-build/build/workspace/ceph-build/ARCH/x86_64/AVAILABLE_ARCH/x86_64/AVAILABLE_DIST/centos8/DIST/centos8/MACHINE_SIZE/gigantic/release/17.2.5/rpm/el8/BUILD/ceph-17.2.5/src/mds/journal.cc:
> In function 'void EMetaBlob::replay(MDSRank*, LogSegment*,
> MDPeerUpdate*)' thread 7fccc7153700 time 2023-01-17T10:05:15.420191+0000
> /home/jenkins-build/build/workspace/ceph-build/ARCH/x86_64/AVAILABLE_ARCH/x86_64/AVAILABLE_DIST/centos8/DIST/centos8/MACHINE_SIZE/gigantic/release/17.2.5/rpm/el8/BUILD/ceph-17.2.5/src/mds/journal.cc:
> 1625: FAILED ceph_assert(g_conf()->mds_wipe_sessions)
>
>   ceph version 17.2.5 (98318ae89f1a893a6ded3a640405cdbb33e08757) quincy
> (stable)
>   1: (ceph::__ceph_assert_fail(char const*, char const*, int, char
> const*)+0x135) [0x7fccd759943f]
>   2: /usr/lib64/ceph/libceph-common.so.2(+0x269605) [0x7fccd7599605]
>   3: (EMetaBlob::replay(MDSRank*, LogSegment*, MDPeerUpdate*)+0x5e5c)
> [0x55fb2b98e89c]
>   4: (EUpdate::replay(MDSRank*)+0x40) [0x55fb2b98f5a0]
>   5: (MDLog::_replay_thread()+0x9b3) [0x55fb2b915443]
>   6: (MDLog::ReplayThread::entry()+0x11) [0x55fb2b5d1e31]
>   7: /lib64/libpthread.so.0(+0x81ca) [0x7fccd65891ca]
>   8: clone()

To workaround this (for now) till the bug is fixed, set

         mds_wipe_sessions = true

in ceph.conf, allow the MDS to transition to `active` state. Once
done, flush the journal:

        ceph tell mds.<> flush journal

then you can safely remove the config.

>
>
> and
>
>
>
> *** Caught signal (Aborted) **
>   in thread 7fccc7153700 thread_name:md_log_replay
>
>   ceph version 17.2.5 (98318ae89f1a893a6ded3a640405cdbb33e08757) quincy
> (stable)
>   1: /lib64/libpthread.so.0(+0x12cf0) [0x7fccd6593cf0]
>   2: gsignal()
>   3: abort()
>   4: (ceph::__ceph_assert_fail(char const*, char const*, int, char
> const*)+0x18f) [0x7fccd7599499]
>   5: /usr/lib64/ceph/libceph-common.so.2(+0x269605) [0x7fccd7599605]
>   6: (EMetaBlob::replay(MDSRank*, LogSegment*, MDPeerUpdate*)+0x5e5c)
> [0x55fb2b98e89c]
>   7: (EUpdate::replay(MDSRank*)+0x40) [0x55fb2b98f5a0]
>   8: (MDLog::_replay_thread()+0x9b3) [0x55fb2b915443]
>   9: (MDLog::ReplayThread::entry()+0x11) [0x55fb2b5d1e31]
>   10: /lib64/libpthread.so.0(+0x81ca) [0x7fccd65891ca]
>   11: clone()
>   NOTE: a copy of the executable, or `objdump -rdS <executable>` is
> needed to interpret this.
>
> Is what I found in the logs. Since it's referring to log replaying,
> could this be related to my issue?
>
> On 17.01.23 10:54, Thomas Widhalm wrote:
> > Hi again,
> >
> > Another thing I found: Out of pure desperation, I started MDS on all
> > nodes. I had them configured in the past so I was hoping, they could
> > help with bringing in missing data even when they were down for quite a
> > while now. I didn't see any changes in the logs but the CPU on the hosts
> > that usually don't run MDS just spiked. So high I had to kill the MDS
> > again because otherwise they kept killing OSD containers. So I don't
> > really have any new information, but maybe that could be a hint of some
> > kind?
> >
> > Cheers,
> > Thomas
> >
> > On 17.01.23 10:13, Thomas Widhalm wrote:
> >> Hi,
> >>
> >> Thanks again. :-)
> >>
> >> Ok, that seems like an error to me. I never configured an extra rank for
> >> MDS. Maybe that's where my knowledge failed me but I guess, MDS is
> >> waiting for something that was never there.
> >>
> >> Yes, there are two filesystems. Due to "budget restrictions" (it's my
> >> personal system at home, I configured a second CephFS with only one
> >> replica for data that could be easily restored.
> >>
> >> Here's what I got when turning up the debug level:
> >>
> >> Jan 17 10:08:17 ceph05 ceph-mds[1209]: mds.0.cache upkeep thread waiting
> >> interval 1.000000000s
> >> Jan 17 10:08:17 ceph05 ceph-mds[1209]: mds.beacon.mds01.ceph05.pqxmvt
> >> Sending beacon up:replay seq 11107
> >> Jan 17 10:08:17 ceph05 ceph-mds[1209]: mds.beacon.mds01.ceph05.pqxmvt
> >> sender thread waiting interval 4s
> >> Jan 17 10:08:17 ceph05 ceph-mds[1209]: mds.beacon.mds01.ceph05.pqxmvt
> >> received beacon reply up:replay seq 11107 rtt 0.00200002
> >> Jan 17 10:08:17 ceph05 ceph-mds[1209]: mds.0.158167 get_task_status
> >> Jan 17 10:08:17 ceph05 ceph-mds[1209]: mds.0.158167
> >> schedule_update_timer_task
> >> Jan 17 10:08:18 ceph05 ceph-mds[1209]: mds.0.cache Memory usage:  total
> >> 372640, rss 57628, heap 207124, baseline 182548, 0 / 3 inodes have caps,
> >> 0 caps, 0 caps per inode
> >> Jan 17 10:08:18 ceph05 ceph-mds[1209]: mds.0.cache cache not ready for
> >> trimming
> >> Jan 17 10:08:18 ceph05 ceph-mds[1209]: mds.0.cache upkeep thread waiting
> >> interval 1.000000000s
> >> Jan 17 10:08:19 ceph05 ceph-mds[1209]: mds.0.cache Memory usage:  total
> >> 372640, rss 57628, heap 207124, baseline 182548, 0 / 3 inodes have caps,
> >> 0 caps, 0 caps per inode
> >> Jan 17 10:08:19 ceph05 ceph-mds[1209]: mds.0.cache cache not ready for
> >> trimming
> >> Jan 17 10:08:19 ceph05 ceph-mds[1209]: mds.0.cache upkeep thread waiting
> >> interval 1.000000000s
> >> Jan 17 10:08:19 ceph05 ceph-mds[1209]: mds.0.158167 get_task_status
> >> Jan 17 10:08:19 ceph05 ceph-mds[1209]: mds.0.158167
> >> schedule_update_timer_task
> >> Jan 17 10:08:20 ceph05 ceph-mds[1209]: mds.0.cache Memory usage:  total
> >> 372640, rss 57628, heap 207124, baseline 182548, 0 / 3 inodes have caps,
> >> 0 caps, 0 caps per inode
> >> Jan 17 10:08:20 ceph05 ceph-mds[1209]: mds.0.cache cache not ready for
> >> trimming
> >> Jan 17 10:08:20 ceph05 ceph-mds[1209]: mds.0.cache upkeep thread waiting
> >> interval 1.000000000s
> >> Jan 17 10:08:21 ceph05 ceph-mds[1209]: mds.0.cache Memory usage:  total
> >> 372640, rss 57628, heap 207124, baseline 182548, 0 / 3 inodes have caps,
> >> 0 caps, 0 caps per inode
> >> Jan 17 10:08:21 ceph05 ceph-mds[1209]: mds.0.cache cache not ready for
> >> trimming
> >> Jan 17 10:08:21 ceph05 ceph-mds[1209]: mds.0.cache upkeep thread waiting
> >> interval 1.000000000s
> >> Jan 17 10:08:21 ceph05 ceph-mds[1209]: mds.beacon.mds01.ceph05.pqxmvt
> >> Sending beacon up:replay seq 11108
> >> Jan 17 10:08:21 ceph05 ceph-mds[1209]: mds.beacon.mds01.ceph05.pqxmvt
> >> sender thread waiting interval 4s
> >> Jan 17 10:08:21 ceph05 ceph-mds[1209]: mds.beacon.mds01.ceph05.pqxmvt
> >> received beacon reply up:replay seq 11108 rtt 0.00200002
> >> Jan 17 10:08:21 ceph05 ceph-mds[1209]: mds.0.158167 get_task_status
> >> Jan 17 10:08:21 ceph05 ceph-mds[1209]: mds.0.158167
> >> schedule_update_timer_task
> >> Jan 17 10:08:22 ceph05 ceph-mds[1209]: mds.0.cache Memory usage:  total
> >> 372640, rss 57628, heap 207124, baseline 182548, 0 / 3 inodes have caps,
> >> 0 caps, 0 caps per inode
> >> Jan 17 10:08:22 ceph05 ceph-mds[1209]: mds.0.cache cache not ready for
> >> trimming
> >> Jan 17 10:08:22 ceph05 ceph-mds[1209]: mds.0.cache upkeep thread waiting
> >> interval 1.000000000s
> >> Jan 17 10:08:23 ceph05 ceph-mds[1209]: mds.0.cache Memory usage:  total
> >> 372640, rss 57628, heap 207124, baseline 182548, 0 / 3 inodes have caps,
> >> 0 caps, 0 caps per inode
> >> Jan 17 10:08:23 ceph05 ceph-mds[1209]: mds.0.cache cache not ready for
> >> trimming
> >> Jan 17 10:08:23 ceph05 ceph-mds[1209]: mds.0.cache upkeep thread waiting
> >> interval 1.000000000s
> >> Jan 17 10:08:23 ceph05 ceph-mds[1209]: mds.0.158167 get_task_status
> >> Jan 17 10:08:23 ceph05 ceph-mds[1209]: mds.0.158167
> >> schedule_update_timer_task
> >> Jan 17 10:08:24 ceph05 ceph-mds[1209]: mds.0.cache Memory usage:  total
> >> 372640, rss 57628, heap 207124, baseline 182548, 0 / 3 inodes have caps,
> >> 0 caps, 0 caps per inode
> >> Jan 17 10:08:24 ceph05 ceph-mds[1209]: mds.0.cache cache not ready for
> >> trimming
> >> Jan 17 10:08:24 ceph05 ceph-mds[1209]: mds.0.cache upkeep thread waiting
> >> interval 1.000000000s
> >> Jan 17 10:08:25 ceph05 ceph-mds[1209]: mds.0.cache Memory usage:  total
> >> 372640, rss 57628, heap 207124, baseline 182548, 0 / 3 inodes have caps,
> >> 0 caps, 0 caps per inode
> >> Jan 17 10:08:25 ceph05 ceph-mds[1209]: mds.0.cache cache not ready for
> >> trimming
> >> Jan 17 10:08:25 ceph05 ceph-mds[1209]: mds.0.cache upkeep thread waiting
> >> interval 1.000000000s
> >> Jan 17 10:08:25 ceph05 ceph-mds[1209]: mds.beacon.mds01.ceph05.pqxmvt
> >> Sending beacon up:replay seq 11109
> >> Jan 17 10:08:25 ceph05 ceph-mds[1209]: mds.beacon.mds01.ceph05.pqxmvt
> >> sender thread waiting interval 4s
> >> Jan 17 10:08:25 ceph05 ceph-mds[1209]: mds.beacon.mds01.ceph05.pqxmvt
> >> received beacon reply up:replay seq 11109 rtt 0.00600006
> >> Jan 17 10:08:25 ceph05 ceph-mds[1209]: mds.0.158167 get_task_status
> >> Jan 17 10:08:25 ceph05 ceph-mds[1209]: mds.0.158167
> >> schedule_update_timer_task
> >> Jan 17 10:08:26 ceph05 ceph-mds[1209]: mds.0.cache Memory usage:  total
> >> 372640, rss 57344, heap 207124, baseline 182548, 0 / 3 inodes have caps,
> >> 0 caps, 0 caps per inode
> >> Jan 17 10:08:26 ceph05 ceph-mds[1209]: mds.0.cache cache not ready for
> >> trimming
> >> Jan 17 10:08:26 ceph05 ceph-mds[1209]: mds.0.cache releasing free memory
> >> Jan 17 10:08:26 ceph05 ceph-mds[1209]: mds.0.cache upkeep thread waiting
> >> interval 1.000000000s
> >> Jan 17 10:08:27 ceph05 ceph-mds[1209]: mds.0.cache Memory usage:  total
> >> 372640, rss 57272, heap 207124, baseline 182548, 0 / 3 inodes have caps,
> >> 0 caps, 0 caps per inode
> >> Jan 17 10:08:27 ceph05 ceph-mds[1209]: mds.0.cache cache not ready for
> >> trimming
> >> Jan 17 10:08:27 ceph05 ceph-mds[1209]: mds.0.cache upkeep thread waiting
> >> interval 1.000000000s
> >> Jan 17 10:08:27 ceph05 ceph-mds[1209]: mds.0.158167 get_task_status
> >> Jan 17 10:08:27 ceph05 ceph-mds[1209]: mds.0.158167
> >> schedule_update_timer_task
> >> Jan 17 10:08:28 ceph05 ceph-mds[1209]: mds.0.cache Memory usage:  total
> >> 372640, rss 57040, heap 207124, baseline 182548, 0 / 3 inodes have caps,
> >> 0 caps, 0 caps per inode
> >> Jan 17 10:08:28 ceph05 ceph-mds[1209]: mds.0.cache cache not ready for
> >> trimming
> >> Jan 17 10:08:28 ceph05 ceph-mds[1209]: mds.0.cache upkeep thread waiting
> >> interval 1.000000000s
> >>
> >>
> >> The only thing that gives me hope here is that the line
> >> mds.beacon.mds01.ceph05.pqxmvt Sending beacon up:replay seq 11109 is
> >> chaning its sequence number.
> >>
> >> Anything else I can provide?
> >>
> >> Cheers,
> >> Thomas
> >>
> >> On 17.01.23 06:27, Kotresh Hiremath Ravishankar wrote:
> >>> Hi Thomas,
> >>>
> >>> Sorry, I misread the mds state to be stuck in 'up:resolve' state. The
> >>> mds is stuck in 'up:replay' which means the MDS taking over a failed
> >>> rank.
> >>> This state represents that the MDS is recovering its journal and other
> >>> metadata.
> >>>
> >>> I notice that there are two filesystems 'cephfs' and 'cephfs_insecure'
> >>> and the active mds for both filesystems are stuck in 'up:replay'. The
> >>> mds
> >>> logs shared are not providing much information to infer anything.
> >>>
> >>> Could you please enable the debug logs and pass on the mds logs ?
> >>>
> >>> Thanks,
> >>> Kotresh H R
> >>>
> >>> On Mon, Jan 16, 2023 at 2:38 PM Thomas Widhalm
> >>> <thomas.widhalm@xxxxxxxxxx <mailto:thomas.widhalm@xxxxxxxxxx>> wrote:
> >>>
> >>>     Hi Kotresh,
> >>>
> >>>     Thanks for your reply!
> >>>
> >>>     I only have one rank. Here's the output of all MDS I have:
> >>>
> >>>     ###################
> >>>
> >>>     [ceph: root@ceph06 /]# ceph tell mds.mds01.ceph05.pqxmvt status
> >>>     2023-01-16T08:55:26.055+0000 7f3412ffd700  0 client.61249926
> >>>     ms_handle_reset on v2:192.168.23.65:6800/2680651694
> >>>     <http://192.168.23.65:6800/2680651694>
> >>>     2023-01-16T08:55:26.084+0000 7f3412ffd700  0 client.61299199
> >>>     ms_handle_reset on v2:192.168.23.65:6800/2680651694
> >>>     <http://192.168.23.65:6800/2680651694>
> >>>     {
> >>>           "cluster_fsid": "ff6e50de-ed72-11ec-881c-dca6325c2cc4",
> >>>           "whoami": 0,
> >>>           "id": 60984167,
> >>>           "want_state": "up:replay",
> >>>           "state": "up:replay",
> >>>           "fs_name": "cephfs",
> >>>           "replay_status": {
> >>>               "journal_read_pos": 0,
> >>>               "journal_write_pos": 0,
> >>>               "journal_expire_pos": 0,
> >>>               "num_events": 0,
> >>>               "num_segments": 0
> >>>           },
> >>>           "rank_uptime": 150224.982558844,
> >>>           "mdsmap_epoch": 143757,
> >>>           "osdmap_epoch": 12395,
> >>>           "osdmap_epoch_barrier": 0,
> >>>           "uptime": 150225.39968057699
> >>>     }
> >>>
> >>>     ########################
> >>>
> >>>     [ceph: root@ceph06 /]# ceph tell mds.mds01.ceph04.cvdhsx status
> >>>     2023-01-16T08:59:05.434+0000 7fdb82ff5700  0 client.61299598
> >>>     ms_handle_reset on v2:192.168.23.64:6800/3930607515
> >>>     <http://192.168.23.64:6800/3930607515>
> >>>     2023-01-16T08:59:05.466+0000 7fdb82ff5700  0 client.61299604
> >>>     ms_handle_reset on v2:192.168.23.64:6800/3930607515
> >>>     <http://192.168.23.64:6800/3930607515>
> >>>     {
> >>>           "cluster_fsid": "ff6e50de-ed72-11ec-881c-dca6325c2cc4",
> >>>           "whoami": 0,
> >>>           "id": 60984134,
> >>>           "want_state": "up:replay",
> >>>           "state": "up:replay",
> >>>           "fs_name": "cephfs_insecure",
> >>>           "replay_status": {
> >>>               "journal_read_pos": 0,
> >>>               "journal_write_pos": 0,
> >>>               "journal_expire_pos": 0,
> >>>               "num_events": 0,
> >>>               "num_segments": 0
> >>>           },
> >>>           "rank_uptime": 150450.96934037199,
> >>>           "mdsmap_epoch": 143815,
> >>>           "osdmap_epoch": 12395,
> >>>           "osdmap_epoch_barrier": 0,
> >>>           "uptime": 150451.93533502301
> >>>     }
> >>>
> >>>     ###########################
> >>>
> >>>     [ceph: root@ceph06 /]# ceph tell mds.mds01.ceph06.wcfdom status
> >>>     2023-01-16T08:59:28.572+0000 7f16538c0b80 -1 client.61250376
> >>>     resolve_mds: no MDS daemons found by name `mds01.ceph06.wcfdom'
> >>>     2023-01-16T08:59:28.583+0000 7f16538c0b80 -1 client.61250376 FSMap:
> >>>     cephfs:1/1 cephfs_insecure:1/1
> >>>
> >>> {cephfs:0=mds01.ceph05.pqxmvt=up:replay,cephfs_insecure:0=mds01.ceph04.cvdhsx=up:replay}
> >>>     2 up:standby
> >>>     Error ENOENT: problem getting command descriptions from
> >>>     mds.mds01.ceph06.wcfdom
> >>>
> >>>     ############################
> >>>
> >>>     [ceph: root@ceph06 /]# ceph tell mds.mds01.ceph07.omdisd status
> >>>     2023-01-16T09:00:02.802+0000 7fb7affff700  0 client.61250454
> >>>     ms_handle_reset on v2:192.168.23.67:6800/942898192
> >>>     <http://192.168.23.67:6800/942898192>
> >>>     2023-01-16T09:00:02.831+0000 7fb7affff700  0 client.61299751
> >>>     ms_handle_reset on v2:192.168.23.67:6800/942898192
> >>>     <http://192.168.23.67:6800/942898192>
> >>>     {
> >>>           "cluster_fsid": "ff6e50de-ed72-11ec-881c-dca6325c2cc4",
> >>>           "whoami": -1,
> >>>           "id": 60984161,
> >>>           "want_state": "up:standby",
> >>>           "state": "up:standby",
> >>>           "mdsmap_epoch": 97687,
> >>>           "osdmap_epoch": 0,
> >>>           "osdmap_epoch_barrier": 0,
> >>>           "uptime": 150508.29091721401
> >>>     }
> >>>
> >>>     The error message from ceph06 is new to me. That didn't happen the
> >>> last
> >>>     times.
> >>>
> >>>     [ceph: root@ceph06 /]# ceph fs dump
> >>>     e143850
> >>>     enable_multiple, ever_enabled_multiple: 1,1
> >>>     default compat: compat={},rocompat={},incompat={1=base
> >>> v0.20,2=client
> >>>     writeable ranges,3=default file layouts on dirs,4=dir inode in
> >>> separate
> >>>     object,5=mds uses versioned encoding,6=dirfrag is stored in
> >>> omap,8=no
> >>>     anchor table,9=file layout v2,10=snaprealm v2}
> >>>     legacy client fscid: 2
> >>>
> >>>     Filesystem 'cephfs' (2)
> >>>     fs_name cephfs
> >>>     epoch   143850
> >>>     flags   12 joinable allow_snaps allow_multimds_snaps
> >>>     created 2023-01-14T14:30:05.723421+0000
> >>>     modified        2023-01-16T09:00:53.663007+0000
> >>>     tableserver     0
> >>>     root    0
> >>>     session_timeout 60
> >>>     session_autoclose       300
> >>>     max_file_size   1099511627776
> >>>     required_client_features        {}
> >>>     last_failure    0
> >>>     last_failure_osd_epoch  12321
> >>>     compat  compat={},rocompat={},incompat={1=base v0.20,2=client
> >>> writeable
> >>>     ranges,3=default file layouts on dirs,4=dir inode in separate
> >>>     object,5=mds uses versioned encoding,6=dirfrag is stored in
> >>> omap,7=mds
> >>>     uses inline data,8=no anchor table,9=file layout v2,10=snaprealm v2}
> >>>     max_mds 1
> >>>     in      0
> >>>     up      {0=60984167}
> >>>     failed
> >>>     damaged
> >>>     stopped
> >>>     data_pools      [4]
> >>>     metadata_pool   5
> >>>     inline_data     disabled
> >>>     balancer
> >>>     standby_count_wanted    1
> >>>     [mds.mds01.ceph05.pqxmvt{0:60984167} state up:replay seq 37637 addr
> >>>     [v2:192.168.23.65:6800/2680651694,v1:192.168.23.65:6801/2680651694
> >>>
> >>> <http://192.168.23.65:6800/2680651694,v1:192.168.23.65:6801/2680651694>]
> >>>     compat {c=[1],r=[1],i=[7ff]}]
> >>>
> >>>
> >>>     Filesystem 'cephfs_insecure' (3)
> >>>     fs_name cephfs_insecure
> >>>     epoch   143849
> >>>     flags   12 joinable allow_snaps allow_multimds_snaps
> >>>     created 2023-01-14T14:22:46.360062+0000
> >>>     modified        2023-01-16T09:00:52.632163+0000
> >>>     tableserver     0
> >>>     root    0
> >>>     session_timeout 60
> >>>     session_autoclose       300
> >>>     max_file_size   1099511627776
> >>>     required_client_features        {}
> >>>     last_failure    0
> >>>     last_failure_osd_epoch  12319
> >>>     compat  compat={},rocompat={},incompat={1=base v0.20,2=client
> >>> writeable
> >>>     ranges,3=default file layouts on dirs,4=dir inode in separate
> >>>     object,5=mds uses versioned encoding,6=dirfrag is stored in
> >>> omap,7=mds
> >>>     uses inline data,8=no anchor table,9=file layout v2,10=snaprealm v2}
> >>>     max_mds 1
> >>>     in      0
> >>>     up      {0=60984134}
> >>>     failed
> >>>     damaged
> >>>     stopped
> >>>     data_pools      [7]
> >>>     metadata_pool   6
> >>>     inline_data     disabled
> >>>     balancer
> >>>     standby_count_wanted    1
> >>>     [mds.mds01.ceph04.cvdhsx{0:60984134} state up:replay seq 37639 addr
> >>>     [v2:192.168.23.64:6800/3930607515,v1:192.168.23.64:6801/3930607515
> >>>
> >>> <http://192.168.23.64:6800/3930607515,v1:192.168.23.64:6801/3930607515>]
> >>>     compat {c=[1],r=[1],i=[7ff]}]
> >>>
> >>>
> >>>     Standby daemons:
> >>>
> >>>     [mds.mds01.ceph07.omdisd{-1:60984161} state up:standby seq 2 addr
> >>>     [v2:192.168.23.67:6800/942898192,v1:192.168.23.67:6800/942898192
> >>>
> >>> <http://192.168.23.67:6800/942898192,v1:192.168.23.67:6800/942898192>]
> >>> compat
> >>>     {c=[1],r=[1],i=[7ff]}]
> >>>     [mds.mds01.ceph06.hsuhqd{-1:60984828} state up:standby seq 1 addr
> >>>     [v2:192.168.23.66:6800/4259514518,v1:192.168.23.66:6801/4259514518
> >>>
> >>> <http://192.168.23.66:6800/4259514518,v1:192.168.23.66:6801/4259514518>]
> >>>     compat {c=[1],r=[1],i=[7ff]}]
> >>>     dumped fsmap epoch 143850
> >>>
> >>>     #############################
> >>>
> >>>     [ceph: root@ceph06 /]# ceph fs status
> >>>
> >>>     (doesn't come back)
> >>>
> >>>     #############################
> >>>
> >>>     All MDS show log lines similar to this one:
> >>>
> >>>     Jan 16 10:05:00 ceph04 ceph-mds[1311]: mds.mds01.ceph04.cvdhsx
> >>> Updating
> >>>     MDS map to version 143927 from mon.1
> >>>     Jan 16 10:05:05 ceph04 ceph-mds[1311]: mds.mds01.ceph04.cvdhsx
> >>> Updating
> >>>     MDS map to version 143929 from mon.1
> >>>     Jan 16 10:05:09 ceph04 ceph-mds[1311]: mds.mds01.ceph04.cvdhsx
> >>> Updating
> >>>     MDS map to version 143930 from mon.1
> >>>     Jan 16 10:05:13 ceph04 ceph-mds[1311]: mds.mds01.ceph04.cvdhsx
> >>> Updating
> >>>     MDS map to version 143931 from mon.1
> >>>     Jan 16 10:05:20 ceph04 ceph-mds[1311]: mds.mds01.ceph04.cvdhsx
> >>> Updating
> >>>     MDS map to version 143933 from mon.1
> >>>     Jan 16 10:05:24 ceph04 ceph-mds[1311]: mds.mds01.ceph04.cvdhsx
> >>> Updating
> >>>     MDS map to version 143935 from mon.1
> >>>     Jan 16 10:05:29 ceph04 ceph-mds[1311]: mds.mds01.ceph04.cvdhsx
> >>> Updating
> >>>     MDS map to version 143936 from mon.1
> >>>     Jan 16 10:05:33 ceph04 ceph-mds[1311]: mds.mds01.ceph04.cvdhsx
> >>> Updating
> >>>     MDS map to version 143937 from mon.1
> >>>     Jan 16 10:05:40 ceph04 ceph-mds[1311]: mds.mds01.ceph04.cvdhsx
> >>> Updating
> >>>     MDS map to version 143939 from mon.1
> >>>     Jan 16 10:05:44 ceph04 ceph-mds[1311]: mds.mds01.ceph04.cvdhsx
> >>> Updating
> >>>     MDS map to version 143941 from mon.1
> >>>     Jan 16 10:05:49 ceph04 ceph-mds[1311]: mds.mds01.ceph04.cvdhsx
> >>> Updating
> >>>     MDS map to version 143942 from mon.1
> >>>
> >>>     Anything else, I can provide?
> >>>
> >>>     Cheers and thanks again!
> >>>     Thomas
> >>>
> >>>     On 16.01.23 06:01, Kotresh Hiremath Ravishankar wrote:
> >>>      > Hi Thomas,
> >>>      >
> >>>      > As the documentation says, the MDS enters up:resolve from
> >>>     |up:replay| if
> >>>      > the Ceph file system has multiple ranks (including this one),
> >>>     i.e. it’s
> >>>      > not a single active MDS cluster.
> >>>      > The MDS is resolving any uncommitted inter-MDS operations. All
> >>>     ranks in
> >>>      > the file system must be in this state or later for progress to be
> >>>     made,
> >>>      > i.e. no rank can be failed/damaged or |up:replay|.
> >>>      >
> >>>      > So please check the status of the other active mds if it's
> >>> failed.
> >>>      >
> >>>      > Also please share the mds logs and the output of 'ceph fs dump'
> >>> and
> >>>      > 'ceph fs status'
> >>>      >
> >>>      > Thanks,
> >>>      > Kotresh H R
> >>>      >
> >>>      > On Sat, Jan 14, 2023 at 9:07 PM Thomas Widhalm
> >>>      > <thomas.widhalm@xxxxxxxxxx <mailto:thomas.widhalm@xxxxxxxxxx>
> >>>     <mailto:thomas.widhalm@xxxxxxxxxx
> >>>     <mailto:thomas.widhalm@xxxxxxxxxx>>> wrote:
> >>>      >
> >>>      >     Hi,
> >>>      >
> >>>      >     I'm really lost with my Ceph system. I built a small cluster
> >>>     for home
> >>>      >     usage which has two uses for me: I want to replace an old NAS
> >>>     and I want
> >>>      >     to learn about Ceph so that I have hands-on experience. We're
> >>>     using it
> >>>      >     in our company but I need some real-life experience without
> >>>     risking any
> >>>      >     company or customers data. That's my preferred way of
> >>> learning.
> >>>      >
> >>>      >     The cluster consists of 3 Raspberry Pis plus a few VMs
> >>> running on
> >>>      >     Proxmox. I'm not using Proxmox' built in Ceph because I want
> >>>     to focus on
> >>>      >     Ceph and not just use it as a preconfigured tool.
> >>>      >
> >>>      >     All hosts are running Fedora (x86_64 and arm64) and during an
> >>>     Upgrade
> >>>      >     from F36 to F37 my cluster suddenly showed all PGs as
> >>>     unavailable. I
> >>>      >     worked nearly a week to get it back online and I learned a
> >>>     lot about
> >>>      >     Ceph management and recovery. The cluster is back but I still
> >>>     can't
> >>>      >     access my data. Maybe you can help me?
> >>>      >
> >>>      >     Here are my versions:
> >>>      >
> >>>      >     [ceph: root@ceph04 /]# ceph versions
> >>>      >     {
> >>>      >           "mon": {
> >>>      >               "ceph version 17.2.5
> >>>      >     (98318ae89f1a893a6ded3a640405cdbb33e08757)
> >>>      >     quincy (stable)": 3
> >>>      >           },
> >>>      >           "mgr": {
> >>>      >               "ceph version 17.2.5
> >>>      >     (98318ae89f1a893a6ded3a640405cdbb33e08757)
> >>>      >     quincy (stable)": 3
> >>>      >           },
> >>>      >           "osd": {
> >>>      >               "ceph version 17.2.5
> >>>      >     (98318ae89f1a893a6ded3a640405cdbb33e08757)
> >>>      >     quincy (stable)": 5
> >>>      >           },
> >>>      >           "mds": {
> >>>      >               "ceph version 17.2.5
> >>>      >     (98318ae89f1a893a6ded3a640405cdbb33e08757)
> >>>      >     quincy (stable)": 4
> >>>      >           },
> >>>      >           "overall": {
> >>>      >               "ceph version 17.2.5
> >>>      >     (98318ae89f1a893a6ded3a640405cdbb33e08757)
> >>>      >     quincy (stable)": 15
> >>>      >           }
> >>>      >     }
> >>>      >
> >>>      >
> >>>      >     Here's MDS status output of one MDS:
> >>>      >     [ceph: root@ceph04 /]# ceph tell mds.mds01.ceph05.pqxmvt
> >>> status
> >>>      >     2023-01-14T15:30:28.607+0000 7fb9e17fa700  0 client.60986454
> >>>      >     ms_handle_reset on v2:192.168.23.65:6800/2680651694
> >>>     <http://192.168.23.65:6800/2680651694>
> >>>      >     <http://192.168.23.65:6800/2680651694
> >>>     <http://192.168.23.65:6800/2680651694>>
> >>>      >     2023-01-14T15:30:28.640+0000 7fb9e17fa700  0 client.60986460
> >>>      >     ms_handle_reset on v2:192.168.23.65:6800/2680651694
> >>>     <http://192.168.23.65:6800/2680651694>
> >>>      >     <http://192.168.23.65:6800/2680651694
> >>>     <http://192.168.23.65:6800/2680651694>>
> >>>      >     {
> >>>      >           "cluster_fsid": "ff6e50de-ed72-11ec-881c-dca6325c2cc4",
> >>>      >           "whoami": 0,
> >>>      >           "id": 60984167,
> >>>      >           "want_state": "up:replay",
> >>>      >           "state": "up:replay",
> >>>      >           "fs_name": "cephfs",
> >>>      >           "replay_status": {
> >>>      >               "journal_read_pos": 0,
> >>>      >               "journal_write_pos": 0,
> >>>      >               "journal_expire_pos": 0,
> >>>      >               "num_events": 0,
> >>>      >               "num_segments": 0
> >>>      >           },
> >>>      >           "rank_uptime": 1127.54018615,
> >>>      >           "mdsmap_epoch": 98056,
> >>>      >           "osdmap_epoch": 12362,
> >>>      >           "osdmap_epoch_barrier": 0,
> >>>      >           "uptime": 1127.957307273
> >>>      >     }
> >>>      >
> >>>      >     It's staying like that for days now. If there was a counter
> >>>     moving, I
> >>>      >     just would wait but it doesn't change anything and alle stats
> >>>     says, the
> >>>      >     MDS aren't working at all.
> >>>      >
> >>>      >     The symptom I have is that Dashboard and all other tools I
> >>>     use say, it's
> >>>      >     more or less ok. (Some old messages about failed daemons and
> >>>     scrubbing
> >>>      >     aside). But I can't mount anything. When I try to start a VM
> >>>     that's on
> >>>      >     RDS I just get a timeout. And when I try to mount a CephFS,
> >>>     mount just
> >>>      >     hangs forever.
> >>>      >
> >>>      >     Whatever command I give MDS or journal, it just hangs. The
> >>>     only thing I
> >>>      >     could do, was take all CephFS offline, kill the MDS's and do
> >>>     a "ceph fs
> >>>      >     reset <fs name> --yes-i-really-mean-it". After that I
> >>>     rebooted all
> >>>      >     nodes, just to be sure but I still have no access to data.
> >>>      >
> >>>      >     Could you please help me? I'm kinda desperate. If you need
> >>>     any more
> >>>      >     information, just let me know.
> >>>      >
> >>>      >     Cheers,
> >>>      >     Thomas
> >>>      >
> >>>      >     --
> >>>      >     Thomas Widhalm
> >>>      >     Lead Systems Engineer
> >>>      >
> >>>      >     NETWAYS Professional Services GmbH | Deutschherrnstr. 15-19 |
> >>>      >     D-90429 Nuernberg
> >>>      >     Tel: +49 911 92885-0 | Fax: +49 911 92885-77
> >>>      >     CEO: Julian Hein, Bernd Erk | AG Nuernberg HRB34510
> >>>      > https://www.netways.de <https://www.netways.de>
> >>>     <https://www.netways.de <https://www.netways.de>> |
> >>>      > thomas.widhalm@xxxxxxxxxx <mailto:thomas.widhalm@xxxxxxxxxx>
> >>>     <mailto:thomas.widhalm@xxxxxxxxxx
> >>> <mailto:thomas.widhalm@xxxxxxxxxx>>
> >>>      >
> >>>      >     ** stackconf 2023 - September - https://stackconf.eu
> >>>     <https://stackconf.eu>
> >>>      >     <https://stackconf.eu <https://stackconf.eu>> **
> >>>      >     ** OSMC 2023 - November - https://osmc.de <https://osmc.de>
> >>>     <https://osmc.de <https://osmc.de>> **
> >>>      >     ** New at NWS: Managed Database -
> >>>      > https://nws.netways.de/managed-database
> >>>     <https://nws.netways.de/managed-database>
> >>>      >     <https://nws.netways.de/managed-database
> >>>     <https://nws.netways.de/managed-database>> **
> >>>      >     ** NETWAYS Web Services - https://nws.netways.de
> >>>     <https://nws.netways.de>
> >>>      >     <https://nws.netways.de <https://nws.netways.de>> **
> >>>      >     _______________________________________________
> >>>      >     ceph-users mailing list -- ceph-users@xxxxxxx
> >>>     <mailto:ceph-users@xxxxxxx>
> >>>      >     <mailto:ceph-users@xxxxxxx <mailto:ceph-users@xxxxxxx>>
> >>>      >     To unsubscribe send an email to ceph-users-leave@xxxxxxx
> >>>     <mailto:ceph-users-leave@xxxxxxx>
> >>>      >     <mailto:ceph-users-leave@xxxxxxx
> >>>     <mailto:ceph-users-leave@xxxxxxx>>
> >>>      >
> >>>
> >>>     --
> >>>     Thomas Widhalm
> >>>     Lead Systems Engineer
> >>>
> >>>     NETWAYS Professional Services GmbH | Deutschherrnstr. 15-19 |
> >>>     D-90429 Nuernberg
> >>>     Tel: +49 911 92885-0 | Fax: +49 911 92885-77
> >>>     CEO: Julian Hein, Bernd Erk | AG Nuernberg HRB34510
> >>>     https://www.netways.de <https://www.netways.de> |
> >>>     thomas.widhalm@xxxxxxxxxx <mailto:thomas.widhalm@xxxxxxxxxx>
> >>>
> >>>     ** stackconf 2023 - September - https://stackconf.eu
> >>>     <https://stackconf.eu> **
> >>>     ** OSMC 2023 - November - https://osmc.de <https://osmc.de> **
> >>>     ** New at NWS: Managed Database -
> >>>     https://nws.netways.de/managed-database
> >>>     <https://nws.netways.de/managed-database> **
> >>>     ** NETWAYS Web Services - https://nws.netways.de
> >>>     <https://nws.netways.de> **
> >>>
> >>
> >> --
> >> Thomas Widhalm
> >> Lead Systems Engineer
> >>
> >> NETWAYS Professional Services GmbH | Deutschherrnstr. 15-19 | D-90429
> >> Nuernberg
> >> Tel: +49 911 92885-0 | Fax: +49 911 92885-77
> >> CEO: Julian Hein, Bernd Erk | AG Nuernberg HRB34510
> >> https://www.netways.de | thomas.widhalm@xxxxxxxxxx
> >>
> >> ** stackconf 2023 - September - https://stackconf.eu **
> >> ** OSMC 2023 - November - https://osmc.de **
> >> ** New at NWS: Managed Database -
> >> https://nws.netways.de/managed-database **
> >> ** NETWAYS Web Services - https://nws.netways.de **
> >> _______________________________________________
> >> ceph-users mailing list -- ceph-users@xxxxxxx
> >> To unsubscribe send an email to ceph-users-leave@xxxxxxx
> >
> > --
> > Thomas Widhalm
> > Lead Systems Engineer
> >
> > NETWAYS Professional Services GmbH | Deutschherrnstr. 15-19 | D-90429
> > Nuernberg
> > Tel: +49 911 92885-0 | Fax: +49 911 92885-77
> > CEO: Julian Hein, Bernd Erk | AG Nuernberg HRB34510
> > https://www.netways.de | thomas.widhalm@xxxxxxxxxx
> >
> > ** stackconf 2023 - September - https://stackconf.eu **
> > ** OSMC 2023 - November - https://osmc.de **
> > ** New at NWS: Managed Database -
> > https://nws.netways.de/managed-database **
> > ** NETWAYS Web Services - https://nws.netways.de **
> > _______________________________________________
> > ceph-users mailing list -- ceph-users@xxxxxxx
> > To unsubscribe send an email to ceph-users-leave@xxxxxxx
>
> --
> Thomas Widhalm
> Lead Systems Engineer
>
> NETWAYS Professional Services GmbH | Deutschherrnstr. 15-19 | D-90429 Nuernberg
> Tel: +49 911 92885-0 | Fax: +49 911 92885-77
> CEO: Julian Hein, Bernd Erk | AG Nuernberg HRB34510
> https://www.netways.de | thomas.widhalm@xxxxxxxxxx
>
> ** stackconf 2023 - September - https://stackconf.eu **
> ** OSMC 2023 - November - https://osmc.de **
> ** New at NWS: Managed Database - https://nws.netways.de/managed-database **
> ** NETWAYS Web Services - https://nws.netways.de **
> _______________________________________________
> ceph-users mailing list -- ceph-users@xxxxxxx
> To unsubscribe send an email to ceph-users-leave@xxxxxxx



-- 
Cheers,
Venky
_______________________________________________
ceph-users mailing list -- ceph-users@xxxxxxx
To unsubscribe send an email to ceph-users-leave@xxxxxxx




[Index of Archives]     [Information on CEPH]     [Linux Filesystem Development]     [Ceph Development]     [Ceph Large]     [Ceph Dev]     [Linux USB Development]     [Video for Linux]     [Linux Audio Users]     [Yosemite News]     [Linux Kernel]     [Linux SCSI]     [xfs]


  Powered by Linux