Hi,
For the secondary site sync user you can edit the zone configuration on
both sites and add the credentials for the synchronisation system user ,
as follow:
radosgw-admin zone modify --rgw-zone=<zone-name>
--access-key=<access-key> --secret=<secret-key>
radosgw-admin period update --commit
Regards
On 12.09.2025 01:03, Kevin Hrpcek wrote:
Hey all,
I've been having some problems with a relatively basic rgw multisite set
up. I initially had it working a few weeks ago with a simple config but
rebuilt it with ssl enabled for the endpoints and then started having some
problems to work through. I eventually had that working but then tore it
all down so I could verify the recreation steps but now I'm having problems
with the multisite. There are a few different errors....
I set up the master zone without problems, but if I use the rgw module with
a token and spec it fails to sync the sync user and the primary zone can't
sync back from the secondary zone. A permission denied error for data
syncing primary->secondary but secondary-> primary works because it has the
credentials.
So i used to be able to manually create the user on the secondary zone and
get data syncing but the metadata wouldn't sync with the master showing an
error message but when I check the mdlog on the primary it looks okay.
2025-09-11T15:15:18.771+0000 7fc29e96c640 1 req 14061042141473454829
0.001000005s failed to read mdlog history: (2) No such file or directory
I ended up trying a full clean reset of rgw on both clusters so I deleted
the daemons and all related pools. The primary starts up but I still have
the problem of the sync user not being created on the secondary and now
when I try to create a user on the secondary for syncing or just for the
dashboard to work I get errors that I've tracked down to
https://github.com/ceph/ceph/blob/62bcf65e8c0995783bb3e368909716346874ad62/src/rgw/radosgw-admin/radosgw-admin.cc#L4631
but am not quite following whats all going on in the source to determine
why.
# radosgw-admin user create --uid=dashboard --display-name=dashboard
--system
couldn't init storage provider
# radosgw-admin user create --uid=sysuser-asdf --display-name=sysuser-asdf
--access-key=xxxxxxxxxxxxx --secret-key=yyyyyyyyyyyyyyy --system
--rgw-realm=asdf
Unable to initialize site config.
Any thoughts? It seems like I may have messed something up in the ceph
config database from multiple tear downs and restarts of the multisite
setup but I'm not seeing what it could be.
ceph 19.2.1 using cephadm on alma 9
Thanks!
Kevin
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