详细说明MySQL PXC构建新节点只需IST传输的方法

发现数据也已经全部同步完成。

step9：对比SST时的日志输出：

在数据复制到node241上我们不进行伪造grastate.dat操作，直接启动节点node241
[root@zejin241 I6000]# /usr/local/pxc_56/bin/mysqld_safe --defaults-file=/home/mysql/pxc6000.cnf --ledir=/usr/local/pxc_56/bin &[1] 3861[root@zejin241 I6000]# 160528 15:32:57 mysqld_safe Logging to '/home/mysql/I6000/error.log'.160528 15:32:57 mysqld_safe Starting mysqld daemon with databases from /home/mysql/I6000160528 15:32:57 mysqld_safe Skipping wsrep-recover for empty datadir: /home/mysql/I6000160528 15:32:57 mysqld_safe Assigning 00000000-0000-0000-0000-000000000000:-1 to wsrep_start_position查看错误日志：[root@zejin241 I6000]# cat error.log 160528 15:32:57 mysqld_safe Starting mysqld daemon with databases from /home/mysql/I6000160528 15:32:57 mysqld_safe Skipping wsrep-recover for empty datadir: /home/mysql/I6000160528 15:32:57 mysqld_safe Assigning 00000000-0000-0000-0000-000000000000:-1 to wsrep_start_position2016-05-28 15:32:58 0 [Warning] TIMESTAMP with implicit DEFAULT value is deprecated. Please use --explicit_defaults_for_timestamp server option (see documentation for more details).2016-05-28 15:32:58 0 [Note] /usr/local/pxc_56/bin/mysqld (mysqld 5.6.26-74.0-25.12-log) starting as process 4359 ...2016-05-28 15:32:58 4359 [Note] WSREP: Read nil XID from storage engines, skipping position init2016-05-28 15:32:58 4359 [Note] WSREP: wsrep_load(): loading provider library '/usr/local/pxc_56/lib/libgalera_smm.so'2016-05-28 15:32:58 4359 [Note] WSREP: wsrep_load(): Galera 3.12.2(rf3e626d) by Codership Oy <info@codership.com> loaded successfully.2016-05-28 15:32:58 4359 [Note] WSREP: CRC-32C: using hardware acceleration.2016-05-28 15:32:58 4359 [Warning] WSREP: Could not open state file for reading: '/home/mysql/I6000//grastate.dat'2016-05-28 15:32:58 4359 [Note] WSREP: Found saved state: 00000000-0000-0000-0000-000000000000:-12016-05-28 15:32:58 4359 [Note] WSREP: Passing config to GCS: base_dir = /home/mysql/I6000/; base_host = 192.168.1.241; base_port = 6000; cert.log_conflicts = no; debug = no; evs.auto_evict = 0; evs.delay_margin = PT1S; evs.delayed_keep_period = PT30S; evs.inactive_check_period = PT0.5S; evs.inactive_timeout = PT15S; evs.join_retrans_period = PT1S; evs.max_install_timeouts = 3; evs.send_window = 4; evs.stats_report_period = PT1M; evs.suspect_timeout = PT5S; evs.user_send_window = 2; evs.view_forget_timeout = PT24H; gcache.dir = /home/mysql/I6000/; gcache.keep_pages_count = 0; gcache.keep_pages_size = 0; gcache.mem_size = 0; gcache.name = /home/mysql/I6000//galera.cache; gcache.page_size = 128M; gcache.size = 128M; gcs.fc_debug = 0; gcs.fc_factor = 1.0; gcs.fc_limit = 16; gcs.fc_master_slave = no; gcs.max_packet_size = 64500; gcs.max_throttle = 0.25; gcs.recv_q_hard_limit = 9223372036854775807; gcs.recv_q_soft_limit = 0.25; gcs.sync_donor = no; gmcast.listen_addr = tcp://192.168.1.241:6030; gmcast.segment = 0; gmcast.version = 0; ist.recv_a2016-05-28 15:32:58 4359 [Note] WSREP: Service thread queue flushed.2016-05-28 15:32:58 4359 [Note] WSREP: Assign initial position for certification: -1, protocol version: -12016-05-28 15:32:58 4359 [Note] WSREP: wsrep_sst_grab()2016-05-28 15:32:58 4359 [Note] WSREP: Start replication2016-05-28 15:32:58 4359 [Note] WSREP: Setting initial position to 00000000-0000-0000-0000-000000000000:-12016-05-28 15:32:58 4359 [Note] WSREP: protonet asio version 02016-05-28 15:32:58 4359 [Note] WSREP: Using CRC-32C for message checksums.2016-05-28 15:32:58 4359 [Note] WSREP: backend: asio2016-05-28 15:32:58 4359 [Warning] WSREP: access file(/home/mysql/I6000//gvwstate.dat) failed(No such file or directory)2016-05-28 15:32:58 4359 [Note] WSREP: restore pc from disk failed2016-05-28 15:32:58 4359 [Note] WSREP: GMCast version 02016-05-28 15:32:58 4359 [Note] WSREP: (666e7891, 'tcp://192.168.1.241:6030') listening at tcp://192.168.1.241:60302016-05-28 15:32:58 4359 [Note] WSREP: (666e7891, 'tcp://192.168.1.241:6030') multicast: , ttl: 12016-05-28 15:32:58 4359 [Note] WSREP: EVS version 02016-05-28 15:32:58 4359 [Note] WSREP: gcomm: connecting to group 'pxc_zejin', peer '192.168.1.240:6030,192.168.1.241:6030,192.168.1.242:6030'2016-05-28 15:32:58 4359 [Note] WSREP: (666e7891, 'tcp://192.168.1.241:6030') turning message relay requesting on, nonlive peers: 2016-05-28 15:32:58 4359 [Note] WSREP: declaring 2cadc8a9 at tcp://192.168.1.240:6030 stable2016-05-28 15:32:58 4359 [Note] WSREP: Node 2cadc8a9 state prim2016-05-28 15:32:58 4359 [Note] WSREP: view(view_id(PRIM,2cadc8a9,2) memb {  2cadc8a9,0  666e7891,0} joined {} left {} partitioned {})2016-05-28 15:32:58 4359 [Note] WSREP: save pc into disk2016-05-28 15:32:58 4359 [Note] WSREP: discarding pending addr without UUID: tcp://192.168.1.242:60302016-05-28 15:32:58 4359 [Note] WSREP: discarding pending addr proto entry 0x30f95602016-05-28 15:32:59 4359 [Note] WSREP: gcomm: connected2016-05-28 15:32:59 4359 [Note] WSREP: Changing maximum packet size to 64500, resulting msg size: 326362016-05-28 15:32:59 4359 [Note] WSREP: Shifting CLOSED -> OPEN (TO: 0)2016-05-28 15:32:59 4359 [Note] WSREP: Opened channel 'pxc_zejin'2016-05-28 15:32:59 4359 [Note] WSREP: Waiting for SST to complete.2016-05-28 15:32:59 4359 [Note] WSREP: New COMPONENT: primary = yes, bootstrap = no, my_idx = 1, memb_num = 22016-05-28 15:32:59 4359 [Note] WSREP: STATE EXCHANGE: Waiting for state UUID.2016-05-28 15:32:59 4359 [Note] WSREP: STATE EXCHANGE: sent state msg: 66ae3372-24a6-11e6-8d13-c77d57a8c6322016-05-28 15:32:59 4359 [Note] WSREP: STATE EXCHANGE: got state msg: 66ae3372-24a6-11e6-8d13-c77d57a8c632 from 0 (node6000_240)2016-05-28 15:32:59 4359 [Note] WSREP: STATE EXCHANGE: got state msg: 66ae3372-24a6-11e6-8d13-c77d57a8c632 from 1 (node6000_241)2016-05-28 15:32:59 4359 [Note] WSREP: Quorum results:  version  = 3,  component = PRIMARY,  conf_id  = 1,  members  = 1/2 (joined/total),  act_id   = 12,  last_appl. = -1,  protocols = 0/7/3 (gcs/repl/appl),  group UUID = 6c86dc17-246f-11e6-9955-ae4d7e89eed22016-05-28 15:32:59 4359 [Note] WSREP: Flow-control interval: [23, 23]2016-05-28 15:32:59 4359 [Note] WSREP: Shifting OPEN -> PRIMARY (TO: 12)2016-05-28 15:32:59 4359 [Note] WSREP: State transfer required:   Group state: 6c86dc17-246f-11e6-9955-ae4d7e89eed2:12  Local state: 00000000-0000-0000-0000-000000000000:-12016-05-28 15:32:59 4359 [Note] WSREP: New cluster view: global state: 6c86dc17-246f-11e6-9955-ae4d7e89eed2:12, view# 2: Primary, number of nodes: 2, my index: 1, protocol version 32016-05-28 15:32:59 4359 [Warning] WSREP: Gap in state sequence. Need state transfer.2016-05-28 15:32:59 4359 [Note] WSREP: Running: 'wsrep_sst_xtrabackup-v2 --role 'joiner' --address '192.168.1.241:6020' --datadir '/home/mysql/I6000/' --defaults-file '/home/mysql/pxc6000.cnf' --defaults-group-suffix '' --parent '4359' '' 'WSREP_SST: [INFO] Streaming with xbstream (20160528 15:32:59.795)WSREP_SST: [INFO] Using socat as streamer (20160528 15:32:59.797)WSREP_SST: [INFO] Evaluating timeout -s9 100 socat -u TCP-LISTEN:6020,reuseaddr stdio 

关键词：详细说明MySQL PXC构建新节点只需IST传输的办法