[Gluster-users] geo-rep will not initialize

[Strahil Nikolov]

 Hi Karl,

I don't see anything mentioning shared storage in the docs and I assume it's now automatic but can you check 'gluster volume get all cluster.enable-shared-storage' ?
I would give a try with RH's documentation despite it's old it has some steps (like the shared volume) that might be needed:
https://docs.redhat.com/en/documentation/red_hat_gluster_storage/3.5/html/administration_guide/sect-preparing_to_deploy_geo-replication#Setting_Up_the_Environment_for_Geo-replication_Session

Best Regards,
Strahil Nikolov
   В петък, 16 август 2024 г. в 01:36:24 ч. Гринуич+3, Karl Kleinpaste <karl at kleinpaste.org> написа:  
 
   I am trying to test a trivial configuration of 2 hosts, each of which has a simple 1-brick volume, that I wish to geo-rep from one to the other.
 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 at 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 at 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 at 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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