disabled : lY>C] f!jbѿ ai~d e8Ю1h"li~d e8Wʘo h? #!/bin/bash # # Copyright (C) 2012-2020 Red Hat, Inc. All rights reserved. # # This file is part of LVM2. # # This copyrighted material is made available to anyone wishing to use, # modify, copy, or redistribute it subject to the terms and conditions # of the GNU General Public License v.2. # # You should have received a copy of the GNU General Public License # along with this program; if not, write to the Free Software Foundation, # Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA # # Author: Peter Rajnoha # # Script for deactivating block devices # # Requires: # bash >= 4.0 (associative array support) # util-linux { # lsblk >= 2.22 (lsblk -s support) # umount # } # dmsetup >= 1.02.68 (--retry option support) # lvm >= 2.2.89 (activation/retry_deactivation config support) # #set -x shopt -s dotglob nullglob TOOL=blkdeactivate DEV_DIR="/dev" SYS_BLK_DIR="/sys/block" MDADM="/sbin/mdadm" MOUNTPOINT="/bin/mountpoint" MPATHD="/sbin/multipathd" UMOUNT="/bin/umount" VDO="/bin/vdo" sbindir="/usr/sbin" DMSETUP="$sbindir/dmsetup" LVM="$sbindir/lvm" if "$UMOUNT" --help | grep -- "--all-targets" >"$DEV_DIR/null"; then UMOUNT_OPTS="--all-targets " else UMOUNT_OPTS="" FINDMNT="/bin/findmnt -r --noheadings -u -o TARGET" FINDMNT_READ="read -r mnt" fi DMSETUP_OPTS="" LVM_OPTS="" MDADM_OPTS="" MPATHD_OPTS="" VDO_OPTS="" LSBLK="/bin/lsblk -r --noheadings -o TYPE,KNAME,NAME,MOUNTPOINT" LSBLK_VARS="local devtype local kname local name local mnt" LSBLK_READ="read -r devtype kname name mnt" SORT_MNT="/bin/sort -r -u -k 4" # Do not show tool errors by default (only done/skipping summary # message provided by this script) and no verbose mode by default. ERRORS=0 VERBOSE=0 # Do not unmount mounted devices by default. DO_UMOUNT=0 # Deactivate each LV separately by default (not the whole VG). LVM_DO_WHOLE_VG=0 # Do not retry LV deactivation by default. LVM_CONFIG="activation{retry_deactivation=0}" # Do not wait for MD RAID device resync, recovery or reshape. MDRAID_DO_WAIT=0 # Do not disable queueing if set on multipath devices. MPATHD_DO_DISABLEQUEUEING=0 # # List of device names and/or VGs to be skipped. # Device name is the KNAME from lsblk output. # # If deactivation of any device fails, it's automatically # added to the SKIP_DEVICE_LIST (also a particular VG # added to the SKIP_VG_LIST for a device that is an LV). # # These lists provide device tree pruning to skip # particular device/VG deactivation that failed already. # (lists are associative arrays!) # declare -A SKIP_DEVICE_LIST=() declare -A SKIP_VG_LIST=() # # List of mountpoints to be skipped. Any device that is mounted on the mountpoint # listed here will be added to SKIP_DEVICE_LIST (and SKIP_VG_LIST) automatically. # (list is an associative array!) # declare -A SKIP_UMOUNT_LIST=(["/"]=1 \ ["/lib"]=1 ["/lib64"]=1 \ ["/bin"]=1 ["/sbin"]=1 \ ["/var"]=1 ["/var/log"]=1 \ ["/usr"]=1 \ ["/usr/lib"]=1 ["/usr/lib64"]=1 \ ["/usr/sbin"]=1 ["/usr/bin"]=1) # Bash can't properly handle '[' and ']' used as a subscript # within the '()'initialization - it needs to be done separately! SKIP_UMOUNT_LIST["[SWAP]"]=1 usage() { echo "${TOOL}: Utility to deactivate block devices" echo echo " ${TOOL} [options] [device...]" echo " - Deactivate block device tree." echo " If devices are specified, deactivate only supplied devices and their holders." echo echo " Options:" echo " -e | --errors Show errors reported from tools" echo " -h | --help Show this help message" echo " -d | --dmoptions DM_OPTIONS Comma separated DM specific options" echo " -l | --lvmoptions LVM_OPTIONS Comma separated LVM specific options" echo " -m | --mpathoptions