Hi,
you can query the MON sessions to identify your older clients with:
ceph tell mon.<MON> sessions
It will show you the IP address, con_features_release (Luminous) and a
couple of other things.
Zitat von Laura Flores <lflo...@redhat.com>:
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 <rzarz...@redhat.com> 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 <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.
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--
Laura Flores
She/Her/Hers
Software Engineer, Ceph Storage <https://ceph.io>
Chicago, IL
lflo...@ibm.com | lflo...@redhat.com <lflo...@redhat.com>
M: +17087388804
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