systemctl排查问题

发表于 2023-01-05 分类于 linux

查看服务

查看所有

1	systemctl --type=service

查看特定状态的服务

systemctl  --type=service --state=load 
systemctl  --type=service --state=loaded
systemctl  --type=service --state=failed
systemctl  --type=service --state=active
systemctl  --type=service --state=exited
systemctl  --type=service --state=running

查看运行状态

nvidia@nvidia-desktop:~$ systemctl status fstrim.service
● fstrim.service - Discard unused blocks
   Loaded: loaded (/lib/systemd/system/fstrim.service; static; vendor preset: enabled)
   Active: failed (Result: exit-code) since Mon 2023-01-02 00:00:43 CST; 3 days ago
  Process: 1135 ExecStart=/sbin/fstrim -av (code=exited, status=64)
 Main PID: 1135 (code=exited, status=64)

Jan 02 00:00:32 nvidia-desktop systemd[1]: Starting Discard unused blocks...
Jan 02 00:00:32 nvidia-desktop fstrim[1135]: fstrim: /data: FITRIM ioctl failed: Input/output error
Jan 02 00:00:43 nvidia-desktop fstrim[1135]: /: 9.1 GiB (9720225792 bytes) trimmed
Jan 02 00:00:43 nvidia-desktop systemd[1]: fstrim.service: Main process exited, code=exited, status=64/n/a
Jan 02 00:00:43 nvidia-desktop systemd[1]: fstrim.service: Failed with result 'exit-code'.
Jan 02 00:00:43 nvidia-desktop systemd[1]: Failed to start Discard unused blocks.

查看失败错误信息

根据进程id 查看

1	journalctl _PID=1135

根据服务查看

1	journalctl -u fstrim

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