Re: Cephfs - MDS all up:standby, not becoming up:active

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Hi Patrick

Here's the output of ceph fs dump:

e226256
enable_multiple, ever_enabled_multiple: 0,1
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   226254
flags   12
created 2019-03-20T14:06:32.588328+0100
modified        2021-09-17T14:47:08.513192+0200
tableserver     0
root    0
session_timeout 60
session_autoclose       300
max_file_size   1099511627776
required_client_features        {}
last_failure    0
last_failure_osd_epoch  91941
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}
max_mds 1
in      0,1
up      {}
failed  0,1
damaged
stopped
data_pools      [3]
metadata_pool   4
inline_data     disabled
balancer
standby_count_wanted    1


Standby daemons:

[mds.ceph3{-1:4694171} state up:standby seq 1 addr [v2:
192.168.1.72:6800/2991378711,v1:192.168.1.72:6801/2991378711] compat
{c=[1],r=[1],i=[7ff]}]
dumped fsmap epoch 226256

On Fri, Sep 17, 2021 at 4:41 PM Patrick Donnelly <pdonnell@xxxxxxxxxx>
wrote:

> On Fri, Sep 17, 2021 at 8:54 AM Eric Dold <dold.eric@xxxxxxxxx> wrote:
> >
> > Hi,
> >
> > I get the same after upgrading to 16.2.6. All mds daemons are standby.
> >
> > After setting
> > ceph fs set cephfs max_mds 1
> > ceph fs set cephfs allow_standby_replay false
> > the mds still wants to be standby.
> >
> > 2021-09-17T14:40:59.371+0200 7f810a58f600  0 ceph version 16.2.6
> > (ee28fb57e47e9f88813e24bbf4c14496ca299d31) pacific (stable), process
> > ceph-mds, pid 7113
> > 2021-09-17T14:40:59.371+0200 7f810a58f600  1 main not setting numa
> affinity
> > 2021-09-17T14:40:59.371+0200 7f810a58f600  0 pidfile_write: ignore empty
> > --pid-file
> > 2021-09-17T14:40:59.375+0200 7f8105cf1700  1 mds.ceph3 Updating MDS map
> to
> > version 226251 from mon.0
> > 2021-09-17T14:41:00.455+0200 7f8105cf1700  1 mds.ceph3 Updating MDS map
> to
> > version 226252 from mon.0
> > 2021-09-17T14:41:00.455+0200 7f8105cf1700  1 mds.ceph3 Monitors have
> > assigned me to become a standby.
> >
> > setting add_incompat 1 does also not work:
> > # ceph fs compat cephfs add_incompat 1
> > Error EINVAL: adding a feature requires a feature string
> >
> > Any ideas?
>
> Please share `ceph fs dump`.
>
>
> --
> Patrick Donnelly, Ph.D.
> He / Him / His
> Principal Software Engineer
> Red Hat Sunnyvale, CA
> GPG: 19F28A586F808C2402351B93C3301A3E258DD79D
>
>
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