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常用脚本/lvm-扩容脚本-挂载目录.sh

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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/rootvg-lvroot" | awk '{print $3}')
+# echo "扩容之前的root目录的容量为：${RootVolumeSizeBefore}"
+
+# echo "y
+
+
+# " | lvremove /dev/mapper/rootvg-lvopt
+
+# freepesize=$(vgdisplay rootvg | grep 'Free  PE' | awk '{print $5}')
+
+# lvextend  -l+${freepesize} /dev/mapper/rootvg-lvroot
+
+
+# ## #自动扩展XFS文件系统到最大的可用大小
+# xfs_growfs /dev/mapper/rootvg-lvroot
+
+# df -TH | grep -w "/dev/mapper/rootvg-lvroot" | awk '{print $3}'
+
+# echo "-----------------------------------------------------------------------"
+# RootVolumeSizeAfter=$(df -TH | grep -w "/dev/mapper/rootvg-lvroot" | 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 "-----------------------------------------------------------------------"
+
+
+## vloume group的名字
+VG_NAME=datavg
+## logic volume 的名字
+LV_NAME=lvdocker
+## 实际物理磁盘的名称
+PV_DISK=vdb
+## 需要将物理磁盘挂载的目录
+BIND_PATH=/var/lib/docker
+
+echo "n
+p
+
+
+
+t
+
+8e
+w
+" | fdisk /dev/${PV_DISK}
+partprobe
+vgcreate ${VG_NAME} /dev/${PV_DISK}1
+selfpesize=$(vgdisplay ${VG_NAME} | grep 'Total PE' | awk '{print $3}')
+lvcreate -l ${selfpesize} -n ${LV_NAME} ${VG_NAME}
+mkfs.xfs /dev/mapper/${VG_NAME}-${LV_NAME}
+mkdir -p ${BIND_PATH}
+selffstab="/dev/mapper/${VG_NAME}-${LV_NAME}      ${BIND_PATH}          xfs    defaults        0 0"
+echo "${selffstab}" >> /etc/fstab
+mount -a
+
+echo ""
+echo ""
+echo ""
+df -TH
+echo "-----------------------------------------------------------------------"