Re: rh8 krbd mapping causes no match of type 1 in addrvec problem decoding monmap, -2

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from ceph.conf:

mon_host = 10.26.42.172,10.26.42.173,10.26.42.174

map command:
rbd --id profilerbd device map win-rbd-test/originalrbdfromsnap

[root@a2tlomon002 ~]# ceph mon dump
dumped monmap epoch 44
epoch 44
fsid 227623f8-b67e-4168-8a15-2ff2a4a68567
last_changed 2022-05-18 15:35:39.385763
created 2016-08-09 10:02:28.325333
min_mon_release 14 (nautilus)
0: [v2:10.26.42.173:3300/0,v1:10.26.42.173:6789/0] mon.a2tlomon003
1: v2:10.26.42.174:3300/0 mon.a2tlomon004
2: [v2:10.26.42.172:3300/0,v1:10.26.42.172:6789/0] mon.a2tlomon002

Looks like something is up with mon:1 only listening on v2 addr not sure if
thats the root cause but seems likely. Though would think the map should
still be able to have success.

As a note i tried with 16.2.9 client as well and it also failed in the same
manner.






Respectfully,

*Wes Dillingham*
wes@xxxxxxxxxxxxxxxxx
LinkedIn <http://www.linkedin.com/in/wesleydillingham>


On Tue, Jul 19, 2022 at 12:51 PM Ilya Dryomov <idryomov@xxxxxxxxx> wrote:

> On Tue, Jul 19, 2022 at 5:01 PM Wesley Dillingham <wes@xxxxxxxxxxxxxxxxx>
> wrote:
> >
> > I have a strange error when trying to map via krdb on a RH (alma8)
> release
> > / kernel 4.18.0-372.13.1.el8_6.x86_64 using ceph client version 14.2.22
> > (cluster is 14.2.16)
> >
> > the rbd map causes the following error in dmesg:
> >
> > [Tue Jul 19 07:45:00 2022] libceph: no match of type 1 in addrvec
> > [Tue Jul 19 07:45:00 2022] libceph: problem decoding monmap, -2
> >
> > I am able to map this rbd to a cent7 / 3.10.0-1160.71.1.el7.x86_64
> machine
> > using the same client and commands.
> >
> > Of note, on the RH8 node I can fetch info about the rbd and list rbds in
> > the pool check ceph status etc. It seems purely limited to the mapping of
> > the RBD:
> >
> > Info about the RBD:
> >
> > [root@alma8rbdtest ~]# rbd --id profilerbd info
> > win-rbd-test/originalrbdfromsnap
> > rbd image 'originalrbdfromsnap':
> > size 5 GiB in 1280 objects
> > order 22 (4 MiB objects)
> > snapshot_count: 0
> > id: 2c5f465fa134c0
> > block_name_prefix: rbd_data.2c5f465fa134c0
> > format: 2
> > features: layering, exclusive-lock
> > op_features:
> > flags:
> > create_timestamp: Mon Jul 18 13:58:39 2022
> > access_timestamp: Mon Jul 18 13:58:39 2022
> > modify_timestamp: Mon Jul 18 13:58:39 2022
> >
> > anybody seen something like this
>
> Hi Wesley,
>
> Could you please provide:
>
> - full "rbd map" ("rbd device map") command
>
> - "mon host = XYZ" line from ceph.conf file
>
> - "ceph mon dump" output
>
> Thanks,
>
>                 Ilya
>
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