Re: mysqld got signal 6 ; / [ERROR] InnoDB: Your database may be corrupt or you may have copied the InnoDB tablespace but not the InnoDB log files.
Additional info:
[root@mysql01 mysql]# cat /etc/my.cnf
[mysqld]
# skip-grant-table
# innodb_force_recovery=6
# innodb_purge_threads=0
datadir=/var/lib/mysql
socket=/var/lib/mysql/mysql.sock
transaction-isolation=READ-COMMITTED
user=mysql
# binlog_format=ROW
binlog_format=mixed
symbolic-links = 0
innodb_log_checksums=on
key_buffer_size = 8M
max_allowed_packet = 32M
thread_stack = 256K
thread_cache_size = 64
query_cache_limit = 8M
query_cache_size = 64M
query_cache_type = 1
max_connections = 550
# expire_logs_days = 10
# max_binlog_size = 100M
# log_bin should be on a disk with enough free space.
# Replace '/var/lib/mysql/mysql_binary_log' with an appropriate path for your
# system and chown the specified folder to the mysql user.
log_bin=/var/lib/mysql/mysql_binary_log
# In later versions of MySQL, if you enable the binary log and do not set
# a server_id, MySQL will not start. The server_id must be unique within
# the replicating group.
server_id=1
read_buffer_size = 2M
sort_buffer_size = 8M
read_rnd_buffer_size = 8M
sort_buffer_size = 8M
join_buffer_size = 8M
# InnoDB settings
innodb_autoinc_lock_mode=2
# innodb_flush_log_at_trx_commit=0
innodb_flush_log_at_trx_commit=2
innodb_file_per_table = 1
innodb_log_buffer_size = 64M
# innodb_buffer_pool_size=122M
# innodb_buffer_pool_size = 1G
innodb_buffer_pool_size = 128M
innodb_thread_concurrency = 8
innodb_flush_method = O_DIRECT
innodb_log_file_size = 512M
# Cluster Specific Changes
bind-address=192.168.0.126
default_storage_engine=innodb
# Replication Specifics
wsrep_provider=/usr/lib64/galera-3/libgalera_smm.so
wsrep_provider_options="gcache.size=300M; gcache.page_size=300M"
wsrep_cluster_name="galera_cluster1"
wsrep_cluster_address="gcomm://192.168.0.126,192.168.0.107,192.168.0.114"
wsrep_sst_method=rsync
wsrep_node_address="192.168.0.126"
wsrep_node_name="mysql01"
#
https://stackoverflow.com/questions/25852239/collation-utf8-general-ci-is-not-valid-for-character-set-latin1
character-set-server = utf8
collation-server = utf8_general_ci
[mysql_safe]
log-error=/var/log/mysqld.log
pid-file=/var/run/mysqld/mysqld.pid
sql_mode=STRICT_ALL_TABLES
[root@mysql01 mysql]# rpm -aq|grep -Ei mysql
mysql-wsrep-devel-5.7-5.7.25-25.17.el7.x86_64
mysql-wsrep-libs-compat-5.7-5.7.25-25.17.el7.x86_64
mysql-wsrep-libs-5.7-5.7.25-25.17.el7.x86_64
mysql-wsrep-5.7-5.7.25-25.17.el7.x86_64
mysql-connector-java-5.1.25-3.el7.noarch
mysql-wsrep-client-5.7-5.7.25-25.17.el7.x86_64
mysql80-community-release-el7-3.noarch
mysql-wsrep-common-5.7-5.7.25-25.17.el7.x86_64
mysql-wsrep-server-5.7-5.7.25-25.17.el7.x86_64
[root@mysql01 mysql]#