Can't backup galera cluster with wsrep_sst_mariabackup.sh - Source

Revision: 77013
User: Stéphane GINER
Date: 2018-12-28 20:08

I have configured a galera cluster with 2 nodes. All work fine, but when I use the wsrep_sst_mariabackup script to backup the cluster whit this command

sudo wsrep_sst_mariabackup  --backup --target-dir ./sav --user xxx --password xxx --galera-info --role joiner --address localhost

I got a timeout exception.

Apr 30 11:33:52 ubuntu -wsrep-sst-joiner: Streaming with xbstream
Apr 30 11:33:52 ubuntu -wsrep-sst-joiner: Using socat as streamer
Apr 30 11:33:52 ubuntu -wsrep-sst-joiner: Evaluating timeout -k 110 100 socat -u TCP-LISTEN:4444,reuseaddr stdio | mbstream -x; RC=( ${PIPESTATUS[@]} )
Apr 30 11:35:32 ubuntu -wsrep-sst-joiner: Possible timeout in receving first data from donor in gtid stage
Apr 30 11:35:32 ubuntu -wsrep-sst-joiner: Cleanup after exit with status:32

If I look more over, I can see that galera cluster does not listen on 4444 port for backup.

Here is the galera cluster configuration

[galera]
# Mandatory settings
wsrep_on=ON
wsrep_provider=/usr/lib/galera/libgalera_smm.so
wsrep_cluster_address="gcomm://192.168.99.109,192.168.99.110"
binlog_format=row
default_storage_engine=InnoDB
innodb_autoinc_lock_mode=2
wsrep_cluster_name="galera_cluster"
wsrep_node_address="192.168.99.109"
wsrep_node_name="Node1"
#wsrep_sst_method=rsync
wsrep_sst_method=mariabackup

Regards

Stéphane GINER

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Can't backup galera cluster with wsrep_sst_mariabackup.sh - Source

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