cm6.2.1启动失败cloudera-scm-server失败

启动失败cloudera-scm-server失败

[root@hd01 cloudera-scm-server]# systemctl status cloudera-scm-server
● cloudera-scm-server.service - Cloudera CM Server Service
   Loaded: loaded (/usr/lib/systemd/system/cloudera-scm-server.service; enabled; vendor preset: disabled)
   Active: failed (Result: start-limit) since 一 2020-08-24 14:17:43 CST; 8min ago
  Process: 23237 ExecStart=/opt/cloudera/cm/bin/cm-server (code=exited, status=217/USER)
 Main PID: 23237 (code=exited, status=217/USER)

8月 24 14:17:42 hd01 systemd[1]: Unit cloudera-scm-server.service entered failed state.
8月 24 14:17:42 hd01 systemd[1]: cloudera-scm-server.service failed.
8月 24 14:17:43 hd01 systemd[1]: cloudera-scm-server.service holdoff time over, scheduling restart.
8月 24 14:17:43 hd01 systemd[1]: Stopped Cloudera CM Server Service.
8月 24 14:17:43 hd01 systemd[1]: start request repeated too quickly for cloudera-scm-server.service
8月 24 14:17:43 hd01 systemd[1]: Failed to start Cloudera CM Server Service.
8月 24 14:17:43 hd01 systemd[1]: Unit cloudera-scm-server.service entered failed state.
8月 24 14:17:43 hd01 systemd[1]: cloudera-scm-server.service failed.
[root@hd01 cloudera-scm-server]# 
[root@hd01 cloudera-scm-server]# 
[root@hd01 cloudera-scm-server]# ll /var/log/cloudera-scm-server/
总用量 0
[root@hd01 cloudera-scm-server]# 
[root@hd01 cloudera-scm-server]# 
[root@hd01 cloudera-scm-server]# cat /usr/lib/systemd/system/cloudera-scm-server.service 
[Unit]
Description=Cloudera CM Server Service
After=network-online.target
Wants=network-online.target

[Install]
WantedBy=multi-user.target

[Service]
User=cloudera-scm
Group=cloudera-scm
Type=simple
Environment=CLOUDERA_ROOT=/opt/cloudera
Environment=CMF_DEFAULTS=/etc/default/cloudera-scm-server
ExecStart=/opt/cloudera/cm/bin/cm-server
Restart=on-failure
StartLimitInterval=2min
StartLimitBurst=5

[root@hd01 cloudera-scm-server]# 

回头看安装过程有很多告警，当时没太注意：

[hd@hd01 x86_64]$ sudo rpm -ivh cloudera-manager-daemons-6.2.1-1426065.el7.x86_64.rpm --nodeps --force
警告：cloudera-manager-daemons-6.2.1-1426065.el7.x86_64.rpm: 头V3 RSA/SHA256 Signature, 密钥 ID b0b19c9f: NOKEY
准备中… ################################# [100%]
groupadd：无法打开 /etc/gshadow
useradd：“cloudera-scm”组不存在
正在升级/安装…
1:cloudera-manager-daemons-6.2.1-14警告：用户cloudera-scm 不存在 - 使用root
警告：群组cloudera-scm 不存在 - 使用root
警告：用户cloudera-scm 不存在 - 使用root
警告：群组cloudera-scm 不存在 - 使用root
警告：用户cloudera-scm 不存在 - 使用root
警告：群组cloudera-scm 不存在 - 使用root
################################# [100%]
警告：用户cloudera-scm 不存在 - 使用root
警告：群组cloudera-scm 不存在 - 使用root

原因是用户权限（sudo权限）不全，相关关键文件被加锁了，不能创建用户用户组，参考 https://www.cnblogs.com/mihoutao/p/13255918.html 对相关文件进行解锁后，重新安装相关服务。

重装的话，先卸载之前安装的cm
参考：https://www.cnblogs.com/dolittle/p/5767337.html

这里由于初次启动失败，连日志文件都没产生，要删除的东西并不多