disk_lvm.sh

Posted 2021-12-05 wx5dfdda1092f7f

#!/bin/bash
diskName=/dev/$(lsblk -f |awk {print NF, $1}|awk $1~/1/ && $2!~/a|0/{print $2}|sed -n 1p)
vgName=bszh
lvName=data

lvm_partition(){
pvcreate $diskName
vgcreate $vgName $diskName
startNR=$(vgdisplay |awk "/VG Name.*$vgName/ {print NR}")
FreePESize=$(vgdisplay |sed -n "/$vgName$/,+18p"|awk $1~/Free/{print $5})
lvcreate -l $FreePESize -n $lvName $vgName
mkfs.ext4 /dev/$vgName/$lvName
tune2fs -c 0 -i 0 /dev/$vgName/$lvName
mkdir -p /data
echo "/dev/$vgName/$lvName   /data    ext4    defaults        0 0" >>/etc/fstab
mount -a
}

main(){
if [ $diskName == "/dev/sdb" ];then
        echo 非云主机
        echo $diskName
        lvm_partition
elif [ $diskName == "/dev/vdb" ];then
        echo 云主机
        echo $diskName
        lvm_partition
else
        echo 请手动检查磁盘数量及状态
fi
}

main

hostnamectl set-hostname $(hostname -I |awk {print $1}|awk  BEGIN{FS=".";OFS="-"}{$1=$1}1)