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shell-scripts/常用脚本/技术支撑-720磁盘.sh
2024-11-27 10:33:20 +08:00

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#! /bin/bash
# 关闭虚拟缓存
swapoff -a
cp -f /etc/fstab /etc/fstab_bak
cat /etc/fstab_bak | grep -v swap >/etc/fstab
# echo "-----------------------------------------------------------------------"
# RootVolumeSizeBefore=$(df -TH | grep -w "/dev/mapper/centos-root" | awk '{print $3}')
# echo "扩容之前的root目录的容量为${RootVolumeSizeBefore}"
# echo "y
# " | lvremove /dev/mapper/centos-swap
# freepesize=$(vgdisplay centos | grep 'Free PE' | awk '{print $5}')
# lvextend -l+${freepesize} /dev/mapper/centos-root
# ## #自动扩展XFS文件系统到最大的可用大小
# xfs_growfs /dev/mapper/centos-root
# df -TH | grep -w "/dev/mapper/centos-root" | awk '{print $3}'
# echo "-----------------------------------------------------------------------"
# RootVolumeSizeAfter=$(df -TH | grep -w "/dev/mapper/centos-root" | awk '{print $3}')
# echo "扩容之后的root目录的容量为${RootVolumeSizeAfter}"
# RootVolumeSizeBeforeNum=$(echo $RootVolumeSizeBefore | cut -d "G" -f1)
# RootVolumeSizeAfterNum=$(echo $RootVolumeSizeAfter | cut -d "G" -f1)
# echo "恭喜您的root目录容量增加了+++++++$(( ${RootVolumeSizeAfterNum}-${RootVolumeSizeBeforeNum} ))GB+++++"
echo ""
echo ""
echo ""
echo "-----------------------------------------------------------------------"
VG_NAME=datavg
echo "n
p
t
8e
w
" | fdisk /dev/sdb
partprobe
vgcreate ${VG_NAME} /dev/sdb1
selfpesize=$(vgdisplay ${VG_NAME} | grep 'Total PE' | awk '{print $3}')
lvcreate -l ${selfpesize} -n lvdata ${VG_NAME}
mkfs.xfs /dev/mapper/${VG_NAME}-lvdata
mkdir -p /data
mkdir -p /var/lib/docker
selffstab="/dev/mapper/${VG_NAME}-lvdata /var/lib/docker xfs defaults 0 0"
echo "${selffstab}" >> /etc/fstab
mount -a
echo ""
echo ""
echo ""
df -TH
echo "-----------------------------------------------------------------------"