启动本地安装的pxc集群失败，前面的步骤都检查没错了

Question

在真是的华为云linux centos7.4 上执行 systemctl start [e-mail] 启动失败了

● [e-mail] - Percona XtraDB Cluster with config /etc/sysconfig/mysql.bootstrap
Loaded: loaded (/usr/lib/systemd/system/mysql@.service; disabled; vendor preset: disabled)
Active: failed (Result: exit-code) since Wed 2020-11-11 23:28:44 CST; 14s ago
Process: 22844 ExecStopPost=/usr/bin/mysql-systemd stop-post (code=exited, status=0/SUCCESS)
Process: 22814 ExecStop=/usr/bin/mysql-systemd stop (code=exited, status=2)
Process: 22355 ExecStartPost=/usr/bin/mysql-systemd start-post $MAINPID (code=exited, status=1/FAILURE)
Process: 22352 ExecStart=/usr/bin/mysqld_safe --basedir=/usr ${EXTRA_ARGS} (code=exited, status=1/FAILURE)
Process: 22311 ExecStartPre=/usr/bin/mysql-systemd start-pre (code=exited, status=0/SUCCESS)
Main PID: 22352 (code=exited, status=1/FAILURE)

Nov 11 23:28:44 ecs-c6s-large-2-linux-20201111105913 mysql-systemd[22355]: ERROR! mysqld_safe with PID 22352 has already exited: FAILURE
Nov 11 23:28:44 ecs-c6s-large-2-linux-20201111105913 systemd[1]: [e-mail]: control process exited, code=exited status=1
Nov 11 23:28:44 ecs-c6s-large-2-linux-20201111105913 mysql-systemd[22814]: WARNING: mysql pid file /var/run/mysqld/mysqld.pid empty or not readable
Nov 11 23:28:44 ecs-c6s-large-2-linux-20201111105913 mysql-systemd[22814]: ERROR! mysql already dead
Nov 11 23:28:44 ecs-c6s-large-2-linux-20201111105913 systemd[1]: [e-mail]: control process exited, code=exited status=2
Nov 11 23:28:44 ecs-c6s-large-2-linux-20201111105913 mysql-systemd[22844]: WARNING: mysql pid file /var/run/mysqld/mysqld.pid empty or not readable
Nov 11 23:28:44 ecs-c6s-large-2-linux-20201111105913 mysql-systemd[22844]: WARNING: mysql may be already dead
Nov 11 23:28:44 ecs-c6s-large-2-linux-20201111105913 systemd[1]: Failed to start Percona XtraDB Cluster with config /etc/sysconfig/mysql.bootstrap.
Nov 11 23:28:44 ecs-c6s-large-2-linux-20201111105913 systemd[1]: Unit [e-mail] entered failed state.
Nov 11 23:28:44 ecs-c6s-large-2-linux-20201111105913 systemd[1]: [e-mail] failed.

Answer 1

提问者 慕婉清5351156 2020-11-12 10:53:17

问题解决了！！其他步骤按照视频一样，但是在修改 etc下配置文件的时候，没有按照视频里面把全部配置都放一起，是直接在各个配置文件上修改值的，然后第一个节点启动成功了，第二个也成功了，第三个正在弄 ：）

Answer 2

神思者 2020-11-12 09:10:43

有几种情况你排查一下，首先centos不能安装MySQL或者percona，这样才能安装pxc。再有你要用课程自带的安装包，官网最新安装包不一定兼容云主机。最后华为云是ARM的CPU，有很多Linux程序对ARM兼容不好。

• 提问者 慕婉清5351156 #1

  是新机器，没有安装mysql或者percona; 安装包是在课程git上面下载的；Architecture:          x86_64
  CPU op-mode(s):        32-bit, 64-bit
  Byte Order:            Little Endian
  CPU(s):                2
  On-line CPU(s) list:   0,1
  Thread(s) per core:    2
  Core(s) per socket:    1
  Socket(s):             1
  NUMA node(s):          1
  Vendor ID:             GenuineIntel
  CPU family:            6
  Model:                 85
  Model name:            Intel(R) Xeon(R) Gold 6278C CPU @ 2.60GHz
  Stepping:              7
  CPU MHz:               2600.000
  BogoMIPS:              5200.00
  Hypervisor vendor:     KVM
  Virtualization type:   full
  L1d cache:             32K
  L1i cache:             32K
  L2 cache:              1024K
  L3 cache:              36608K
  NUMA node0 CPU(s):     0,1