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 <rzarzyns@xxxxxxxxxx> who may be able to help more with that.
Thanks,
Laura Flores
On Mon, Apr 7, 2025 at 11:30 AM quaglio@xxxxxxxxxx <quaglio@xxxxxxxxxx>
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
lflores@xxxxxxx | lflores@xxxxxxxxxx <lflores@xxxxxxxxxx>
M: +17087388804
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