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Guillaume, Nirbhay,

On 24/06/2015 15:35, Guillaume Lefranc wrote:

If you want to try xtrabackup SST: * xtrabackup must be installed on all servers * you need to set wsrep_sst_method=xtrabackup-v2 (the older method is full of horrible bugs) * you need to set wsrep_sst_auth to a user account which has permissions to do backup, e.g. : RELOAD, LOCK TABLES, REPLICATION CLIENT at the minimum

I cannot stress it enough but re-read the docs thoroughly before doing anything :-)

In my case it means creating a buildroot package for xtrabackup, which is definitely on my TODO list, but wasn't scheduled just now :)

Since SST fails both with rsync and mysqldump (even when I set credentials properly, or think I do), I think I should fix that before trying to switch to another method. I think this mariadb problem is hiding a more fundamental communication problem between my buildroot boxes. I'll let you know.

- -- Sylvain Raybaud www.green-communications.fr