When I first experimented with this a couple years ago, it worked, but that effort ended prematurely and I never finished the real setup. I am coming back to it now for other purposes.
I'm on Fedora 39 with gluster 11.1. I'm using this guide:
https://docs.gluster.org/en/main/Administrator-Guide/Geo-Replication/
Hosts are pjs and pms, with respective volumes j and n.
I have created, started, and mounted the volumes, each on their own localhost.
I can also have each mount the other's volume, so general operation seems ok.
I have added the geoacct user and group, set up password-less login for each local root -> geoacct@other.
gluster-mountbroker things have been done and "gluster-mountbroker status" is sensible.
"gluster-georep-sshkey generate" has done what I'd expect.
I'm at the point of creating geo-replication. Command on pjs is:
gluster volume geo-replication j geoacct@pms::n create ssh-port 6247 push-pem
(Yes, sshd listens on a nonstandard port.)
This fails with:
Please check gsync config file. Unable to get statefile's name
geo-replication command failed
Logs, which I have been tail(1)ing as it happens, show:
Received mount request for volume j
Config file (/var/lib/glusterd/geo-replication/j_pms_n/gsyncd.conf) missing. Looking for template config file (/var/lib/glusterd/geo-replication/gsyncd_template.conf) [No such file or directory]
Using default config template(/var/lib/glusterd/geo-replication/gsyncd_template.conf).
reading data from child failed
Unable to get configuration data for j(primary), geoacct@pms::n(secondary) from template config
Please check gsync config file. Unable to get statefile's name
Staging of operation 'Volume Geo-replication Create' failed on localhost : Please check gsync config file. Unable to get statefile's name
When I check on the files named, a bit of unhappiness is found:
$ ls -l /var/lib/glusterd/geo-replication/j_pms_n/gsyncd.conf /var/lib/glusterd/geo-replication/gsyncd_template.conf
ls: cannot access '/var/lib/glusterd/geo-replication/j_pms_n/gsyncd.conf': No such file or directory
-rwxr-xr-x 1 root geoacct 0 Aug 11 08:13 /var/lib/glusterd/geo-replication/gsyncd_template.conf
That the first is missing seems normal; geo-rep creation should instantiate it, yes? The problem seems to be that the template file is present but empty.
How does the template file come into existence, and how should it be populated?
(~geoacct is /var/lib/glusterd/geoacct.)
Any clues would be most welcome. It feels strange to have everything working right up to the point of geo-rep creation.
--karl
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