在【service】代码快最末尾加上TimeoutStartSec=2sec

root@k8s-master1:~# cd /etc/systemd/system/network-online.target.wants/ root@k8s-master1:/etc/systemd/system/network-online.target.wants# ll total 8 drwxr-xr-x 2 root root 4096 Aug 24 2021 ./ drwxr-xr-x 19 root root 4096 Mar 24 08:11 ../ lrwxrwxrwx 1 root root 56 Aug 16 2021 systemd-networkd-wait-online.service -> /lib/systemd/system/systemd-networkd-wait-online.service

SPDX-License-Identifier: LGPL-2.1+

#

This file is part of systemd.

#

systemd is free software; you can redistribute it and/or modify it

under the terms of the GNU Lesser General Public License as published by

the Free Software Foundation; either version 2.1 of the License, or

(at your option) any later version.

[Unit] Description=Wait for Network to be Configured Documentation=man:systemd-networkd-wait-online.service(8) DefaultDependencies=no Conflicts=shutdown.target Requires=systemd-networkd.service After=systemd-networkd.service Before=network-online.target shutdown.target

[Service] Type=oneshot ExecStart=/lib/systemd/systemd-networkd-wait-online RemainAfterExit=yes TimeoutStartSec=2sec [Install] WantedBy=network-online.target

调整vg大小：

vgdisplay lvdisplay

扩容： lvcreate -L 300G -n data-lv vgname mkfs.ext4 /dev/vgname/data-lv lvextend -l +100%FREE /dev/vgname/data-lv resize2fs /dev/vgname/data-lv 480M e2fsck -fy /dev/vgname/data-lv

缩容： umount /home e2fsck /dev/vg_powerpd/lv_home resize2fs -f /dev/vg_powerpd/lv_home 15g lvreduce -L15g /dev/vg_powerpd/lv_home mount /dev/vg_powerpd/lv_home