Hi all,

This most likely boils down to the kernel version of connected clients. We
faced the same problem some time ago and just kicked away the client mds
connections with a follow up kernel update on the servers doing the mount.
I can check the version details later for more clarity.


Best,
Laimis J.

On Tue, Apr 8, 2025, 16:48 Anthony D'Atri <anthony.da...@gmail.com> wrote:

> So, OSD nodes that do not have any OSDs on them yet?
>
> > On Apr 8, 2025, at 9:41 AM, quag...@bol.com.br wrote:
> >
> > More complete description:
> >
> > 1-) I formatted and installed the operating system
> >
> > 2-) This is "ceph installed":
> >
> > curl --silent --remote-name --location
> https://download.ceph.com/rpm-19.2.1/el9/noarch/cephadm
> > chmod +x cephadm
> >
> > ./cephadm add-repo --release squid
> > ./cephadm install
> >
> > cephadm -v bootstrap --mon-ip 172.27.254.6 --cluster-network
> 172.28.254.0/24 --log-to-file
> >
> > cephadm install ceph-common
> >
> >
> > De: "Anthony D'Atri" <anthony.da...@gmail.com>
> > Enviada: 2025/04/08 10:35:22
> > Para: quag...@bol.com.br
> > Cc: ebl...@nde.ag, ceph-users@ceph.io
> > Assunto: Re: [ceph-users] Ceph squid fresh install
> >
> > What does “ceph installed” mean?  I suspect that this description is not
> complete.
> >
> >>
> >> On Apr 8, 2025, at 9:21 AM, quag...@bol.com.br wrote:
> >>
> >> What is a “storage server”?
> >>           These are machines that only have the operating system and
> ceph installed.
> >>
> >>
> >>
> >> De: "Anthony D'Atri" <anthony.da...@gmail.com>
> >> Enviada: 2025/04/08 10:19:08
> >> Para: quag...@bol.com.br
> >> Cc: ebl...@nde.ag, ceph-users@ceph.io
> >> Assunto: Re: [ceph-users] Ceph squid fresh install
> >>
> >>
> >>
> >> > On Apr 8, 2025, at 9:13 AM, quag...@bol.com.br wrote:
> >> >
> >> > These 2 IPs are from the storage servers.
> >>
> >> What is a “storage server”?
> >>
> >>
> >> > There are no user processes running on them. It only has the
> operating system and ceph installed.
> >>
> >> Nobody said anything about user processes.
> >>
> >> >
> >> >
> >> > Rafael.
> >> >
> >> > De: "Eugen Block" <ebl...@nde.ag>
> >> > Enviada: 2025/04/08 09:35:35
> >> > Para: quag...@bol.com.br
> >> > Cc: ceph-users@ceph.io
> >> > Assunto: Re: [ceph-users] Ceph squid fresh install
> >> >
> >> > These are your two Luminous clients:
> >> >
> >> > ---snip---
> >> > {
> >> > "name": "unknown.0",
> >> > "entity_name": "client.admin",
> >> > "addrs": {
> >> > "addrvec": [
> >> > {
> >> > "type": "none",
> >> > "addr": "172.27.254.7:0",
> >> > "nonce": 443842330
> >> > }
> >> > ]
> >> > },
> >> > "socket_addr": {
> >> > "type": "none",
> >> > "addr": "172.27.254.7:0",
> >> > "nonce": 443842330
> >> > },
> >> > "con_type": "client",
> >> > "con_features": 3387146417253690110,
> >> > "con_features_hex": "2f018fb87aa4aafe",
> >> > "con_features_release": "luminous",
> >> > ...
> >> >
> >> > {
> >> > "name": "client.104098",
> >> > "entity_name": "client.admin",
> >> > "addrs": {
> >> > "addrvec": [
> >> > {
> >> > "type": "v1",
> >> > "addr": "172.27.254.6:0",
> >> > "nonce": 2027668300
> >> > }
> >> > ]
> >> > },
> >> > "socket_addr": {
> >> > "type": "v1",
> >> > "addr": "172.27.254.6:0",
> >> > "nonce": 2027668300
> >> > },
> >> > "con_type": "client",
> >> > "con_features": 3387146417253690110,
> >> > "con_features_hex": "2f018fb87aa4aafe",
> >> > "con_features_release": "luminous",
> >> > ---snip---
> >> >
> >> > Zitat von quag...@bol.com.br:
> >> >
> >> > > Hi Eugen! Thanks a lot! I was able to find luminous connections,
> >> > > but I still can't identify which client process. Here is the output:
> >> > > Rafael.
> >> > > ──────────────────────────────────────────────────────────────────
> >> > > De: "Eugen Block" Enviada: 2025/04/08 04:37:47 Para:
> ceph-users@ceph.io
> >> > > Assunto: [ceph-users] Re: Ceph squid fresh install Hi, you can query
> >> > > the MON sessions to identify your older clients with: ceph tell mon.
> >> > > sessions It will show you the IP address, con_features_release
> (Luminous)
> >> > > and a couple of other things. Zitat von Laura Flores : > Hi Rafael,
> >> I
> >> > > would not force the min_compat_client to be reef when there are
> still >
> >> > > luminous clients connected, as it is important for all clients to
> be >=Reef
> >> > >> to understand/encode the pg_upmap_primary feature in the osdmap.
> >> As
> >> > > for checking which processes are still luminous, I am copying
> @Radoslaw >
> >> > > Zarzynski who may be able to help more with that. >> Thanks, > Laura
> >> > > Flores >> On Mon, Apr 7, 2025 at 11:30 AM quag...@bol.com.br >
> wrote:
> >> > >>>> Hi, >> I just did a new Ceph installation and would like to
> enable the
> >> > > "read >> balancer". >> However, the documentation requires that the
> minimum
> >> > > client version >> be reef. I checked this information through "ceph
> >> > > features" and came across >> the situation of having 2 luminous
> clients. >>
> >> > > # ceph features >> { >> "mon": [ >> { >> "features":
> "0x3f03cffffffdffff",
> >> > >>> "release": "squid", >> "num": 2 >> } >> ], >> "mds": [ >> { >>
> >> > > "features": "0x3f03cffffffdffff", >> "release": "squid", >> "num":
> 2 >> }
> >> > >>> ], >> "osd": [ >> { >> "features": "0x3f03cffffffdffff", >>
> "release":
> >> > > "squid", >> "num": 38 >> } >> ], >> "client": [ >> { >> "features":
> >> > > "0x2f018fb87aa4aafe", >> "release": "luminous", >> "num": 2 >> },
> >> { >>
> >> > > "features": "0x3f03cffffffdffff", >> "release": "squid", >> "num":
> 5 >> }
> >> > >>> ], >> "mgr": [ >> { >> "features": "0x3f03cffffffdffff", >>
> "release":
> >> > > "squid", >> "num": 2 >> } >> ] >> } >>>> I tryed to configure the
> minimum
> >> > > version to reef and received the >> following alert: >> # ceph osd
> >> > > set-require-min-compat-client reef >> Error EPERM: cannot set
> >> > > require_min_compat_client to reef: 2 connected >> client(s) look
> like
> >> > > luminous (missing 0x80000000); add >> --yes-i-really-mean-it to do
> it
> >> > > anyway >>>> Is it ok do confirm anyway? >> Which processes are
> still as
> >> > > luminous? >>>> Rafael. >>
> _______________________________________________
> >> > >>> ceph-users mailing list -- ceph-users@ceph.io >> To unsubscribe
> send an
> >> > > email to ceph-users-le...@ceph.io >>>>>> -- >> Laura Flores >>
> She/Her/Hers
> >> > >>> Software Engineer, Ceph Storage >>> Chicago, IL >>
> lflo...@ibm.com |
> >> > > lflo...@redhat.com > M: +17087388804 >
> >> > > _______________________________________________ > ceph-users
> mailing list
> >> > > -- ceph-users@ceph.io > To unsubscribe send an email to
> >> > > ceph-users-le...@ceph.io
> _______________________________________________
> >> > > ceph-users mailing list -- ceph-users@ceph.io To unsubscribe send
> an email
> >> > > to ceph-users-le...@ceph.io
> >> >
> >> >
> >> > _______________________________________________
> >> > ceph-users mailing list -- ceph-users@ceph.io
> >> > To unsubscribe send an email to ceph-users-le...@ceph.io
> >>
>
> _______________________________________________
> ceph-users mailing list -- ceph-users@ceph.io
> To unsubscribe send an email to ceph-users-le...@ceph.io
>
_______________________________________________
ceph-users mailing list -- ceph-users@ceph.io
To unsubscribe send an email to ceph-users-le...@ceph.io

Reply via email to