Hotplug - Linux Raid Wiki
https://raid.wiki.kernel.org/index.php/Hotplug16.04.2010 · Hot-unplug from command line. If the physical disk is still alive: mdadm --fail /dev/mdX /dev/sdYZ mdadm --remove /dev/mdX /dev/sdYZ. Do this for all RAIDs containing partitions of the failed disk. Then the disk can be hot-unplugged without any problems. If the physical disk is dead or unplugged, just do. mdadm /dev/mdX --fail detached --remove ...
[OpenWrt Wiki] Hotplug
https://openwrt.org/docs/guide-user/base-system/hotplug28.07.2021 · Hotplug Procd (the init system and process management daemon) executes scripts located in /etc/hotplug.d/ when certain events happen, like for example when an interface goes up or down, when a new storage drive is detected, or when a button is pressed. It can be very useful with PPPoE connection or in an unstable network, or to use hardware buttons.
Download File List - Hotplug2 - OSDN
osdn.net › projects › freshmeat_hotplug2Apr 05, 2009 · Hotplug2 is aimed at early Linux user space, i.e. initramfs or initrd, and possibly also at embedded devices (such as WRT-like routers) or very weak machines, such as 386/486. It connects to the uevent netlink socket and reads events. The application generally operates in two modes: dumb and smart.