Linux 파 티 션 크기 조정, 디스크 최대 값 / usr / sbin / resize - helper 로 파 티 션 확장

10149 단어 linux
사용법:
# sudo resize-helper       
sudo resize-helper /dev/sde4

파일 내용
/usr/sbin/resize-helper
#!/bin/sh
# Copyright (c) Fathi Boudra 
# All rights reserved.
# 
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
# 1. Redistributions of source code must retain the above copyright
#    notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
#    notice, this list of conditions and the following disclaimer in the
#    documentation and/or other materials provided with the distribution.
# 
# THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
# SUCH DAMAGE.

# we must be root
[ $(whoami) = "root" ] || { echo "E: You must be root" && exit 1; }

# we must have few tools
SGDISK=$(which sgdisk) || { echo "E: You must have sgdisk" && exit 1; }
PARTED=$(which parted) || { echo "E: You must have parted" && exit 1; }
PARTPROBE=$(which partprobe) || { echo "E: You must have partprobe" && exit 1; }
RESIZE2FS=$(which resize2fs) || { echo "E: You must have resize2fs" && exit 1; }
E2FSCK=$(which e2fsck) || { echo "E: You must have e2fsck" && exit 1; }


# find root device
# ROOT_DEVICE=$(findmnt --noheadings --output=SOURCE / | cut -d'[' -f1)

# ROOT_DEVICE="/dev/"$(sed -n 's/^DEVNAME=//p' /sys/dev/block/$(mountpoint -d /)/uevent 2> /dev/null)
ROOT_DEVICE=$1

# prune root device (for example UUID)
ROOT_DEVICE=$(realpath ${ROOT_DEVICE})
# get the partition number and type
PART_ENTRY_NUMBER=$(udevadm info --query=property --name=${ROOT_DEVICE} | grep '^ID_PART_ENTRY_NUMBER=' | cut -d'=' -f2)
PART_TABLE_TYPE=$(udevadm info --query=property --name=${ROOT_DEVICE} | grep '^ID_PART_TABLE_TYPE=' | cut -d'=' -f2)
# find the block device
DEVICE=$(udevadm info --query=path --name=${ROOT_DEVICE} | awk -F'/' '{print $(NF-1)}')
DEVICE="/dev/${DEVICE}"

if [ "$PART_TABLE_TYPE" = "gpt" ]; then
	${SGDISK} -e ${DEVICE}
	${PARTPROBE}
fi

${PARTED} ${DEVICE} resizepart ${PART_ENTRY_NUMBER} 100%
${PARTPROBE}
sync
${E2FSCK} -f ${ROOT_DEVICE}
${RESIZE2FS} "${ROOT_DEVICE}"
sync


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