[Gluster-users] Confusion supreme

[Strahil Nikolov]

Hi Zenon,
First step would be to ensure that all clients are connected to all bricks - this will reduce the chance of new problems.

For some reason there are problems with the broken node. Did you reduce the replica to 2 before reinstalling the broken node and re-adding it to the TSP ?
Try to get the attributes and the blames of a few files.The following article (check all 3 parts) could help you understand the logic and give you hints where to look at:
https://ravispeaks.wordpress.com/2019/04/05/glusterfs-afr-the-complete-guide/

Best Regards,
Strahil Nikolov 
 
  On Wed, Jun 26, 2024 at 20:46, Zenon Panoussis<oracle at provocation.net> wrote:   
I should add that in /var/lib/glusterd/vols/gv0/gv0-shd.vol and
in all other configs in /var/lib/glusterd/ on all three machines
the nodes are consistently named

client-2: zephyrosaurus
client-3: alvarezsaurus
client-4: nanosaurus

This is normal. It was the second time that a brick was removed,
so client-0 and client-1 are gone.

So the problem is the file attibutes themselves. And there I see
things like

trusted.afr.gv0-client-0=0x000000000000000000000000
trusted.afr.gv0-client-1=0x000000000000000000000ab0
trusted.afr.gv0-client-3=0x000000000000000000000000
trusted.afr.gv0-client-4=0x000000000000000000000000

and

trusted.afr.gv0-client-3=0x000000000000000000000000
trusted.afr.gv0-client-4=0x000000000000000000000000

and other such, where the only thing that is consistent, is inconsistency.

When a brick is removed, shouldn't all files on the remaining bricks
be re-fattr'ed to remove the pointers to the non-existent brick?

I guess I can do this manually, but it will still leave me with
those files where the value of all trusted.afr.gv0-client(s) is
zero. How does healing deal with those?

Cheers,

Z


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