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Ray
Asked: 2024-02-04 07:35:26 +0800 CST

SLURM 控制器守护程序启动时出现问题

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我正在尝试在 Ubuntu 23.10 系统上配置 SLURM，以便它通过slurmdbd. 这是我通过随机猜测解决的先前问题的延续......

有趣的是，SLURM 控制器 ( slurmctld) 无法在启动时启动。但是，当我手动重新启动该服务时，它看起来很好。

例如，如果我sudo service slurmctld status在启动后键入，我会看到以下消息：

Feb 03 17:10:26 mycomputer slurmctld[1682]: slurmctld: error: Sending PersistInit msg: Connection refused
Feb 03 17:10:26 mycomputer slurmctld[1682]: slurmctld: accounting_storage/slurmdbd: clusteracct_storage_p_register_ctld: Registering slurmctld at port 6817 with slurmdbd
Feb 03 17:10:26 mycomputer slurmctld[1682]: slurmctld: No memory enforcing mechanism configured.
Feb 03 17:10:27 mycomputer slurmctld[1682]: WARNING: MYSQL_OPT_RECONNECT is deprecated and will be removed in a future version.
Feb 03 17:10:27 mycomputer slurmctld[1682]: slurmctld: error: mysql_real_connect failed: 2002 Can't connect to local MySQL server through socket '/var/run/mysqld/mysqld.sock' (2)
Feb 03 17:10:27 mycomputer slurmctld[1682]: slurmctld: fatal: You haven't inited this storage yet.
Feb 03 17:10:27 mycomputer systemd[1]: slurmctld.service: Main process exited, code=exited, status=1/FAILURE
Feb 03 17:10:27 mycomputer systemd[1]: slurmctld.service: Failed with result 'exit-code'.

这与日志文件中的信息类似/var/log/。但是，如果我使用 重新启动它sudo service slurmctld restart，而不更改任何配置文件，它将在日志中显示以下内容：

Feb 03 23:22:57 mycomputer slurmctld[30777]: slurmctld: Recovered information about 0 jobs
Feb 03 23:22:57 mycomputer slurmctld[30777]: slurmctld: select/cons_tres: part_data_create_array: select/cons_tres: preparing for 1 partitions
Feb 03 23:22:57 mycomputer slurmctld[30777]: slurmctld: Recovered state of 0 reservations
Feb 03 23:22:57 mycomputer slurmctld[30777]: slurmctld: read_slurm_conf: backup_controller not specified
Feb 03 23:22:57 mycomputer slurmctld[30777]: slurmctld: select/cons_tres: select_p_reconfigure: select/cons_tres: reconfigure
Feb 03 23:22:57 mycomputer slurmctld[30777]: slurmctld: select/cons_tres: part_data_create_array: select/cons_tres: preparing for 1 partitions
Feb 03 23:22:57 mycomputer slurmctld[30777]: slurmctld: Running as primary controller
Feb 03 23:22:57 mycomputer slurmctld[30777]: slurmctld: No parameter for mcs plugin, default values set
Feb 03 23:22:57 mycomputer slurmctld[30777]: slurmctld: mcs: MCSParameters = (null). ondemand set.
Feb 03 23:23:02 mycomputer slurmctld[30777]: slurmctld: SchedulerParameters=default_queue_depth=100,max_rpc_cnt=0,max_sched_time=2,partition_job_depth=0,sched_max_job_start=0,...

现在看起来还不错。

slurmdbd我唯一的猜测是，这可能与、slurmd、 和slurmctld服务的启动顺序有关。但我一直假设默认顺序是正确的。也许这个假设是错误的？

mysql

1 个回答

  1. Best Answer

    slurmctld.service 的默认值缺少对 mysql.service 的排序依赖性。让我们添加一个。

    创建一个名为/etc/systemd/system/mysql.service.d/99-mysql-ordering-askubuntu-1502374.conf：

    [Unit]
# This will automatically append to the defaults
After=mysql.service
Wants=mysql.target

# Uncomment this only if necessary.
# mysql.service is Type=notify, so it should have created
# /var/run/mysqld/mysqld.sock already so systemd.path wouldn't
# help, but this is the last resort if it's still not working. 
#[Service]
#ExecStart=/bin/sleep 60

    然后重新启动。

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