redhat5.8根分区扩容，lvm分区扩容

本文档介绍 redhat5.8根分区扩容，lvm分区扩容 的相关内容。

redhat 5.8 根分区扩容，lvm分区扩容

# !/bin/bash # redhat 5.8 cloud set by jeff # create new partition fdisk /dev/vda <<EOF m n p 3 t 3 8e w EOF # load partition partprobe # add in lvmgroup lvm <<EOF pvcreate /dev/vda3 vgextend /dev/VolGroup00 /dev/vda3 vgdisplay EOF # 将获取到的硬盘大小减0.01G a=`lvm vgdisplay |grep -i free|awk '{print $7}'` b=0.01 DISK=$(echo "$a-$b" | bc)\G # 扩大lvm分区 lvm lvextend -L +$DISK /dev/VolGroup00/LogVol00 # 修改文件系统大小以实现扩充空间 resize2fs -p /dev/VolGroup00/LogVol00 xfs_growfs /dev/centos/root # xfs 扩容 # set hostname urlhost=`curl -m 10 http://1.2.3.4/latest/meta-data/hostname` HOST=`echo $urlhost |awk -F '.novalocal' '{print $1}'` hostname $HOST\.opscloud sed -i "s/^HOSTNAME=.*$/HOSTNAME=$HOST\.opscloud/g" /etc/sysconfig/network # set ip static eth0='/etc/sysconfig/network-scripts/ifcfg-eth0' IP0=`cat /var/lib/dhclient/dhclient--eth0.lease |grep fixed-address |awk '{print $2}' |awk -F ';' '{print $1}'` NET0=`cat /var/lib/dhclient/dhclient--eth0.lease |grep subnet-mask |awk '{print $3}' |awk -F ';' '{print $1}'` GAT0=`cat /var/lib/dhclient/dhclient--eth0.lease |grep 'option routers' |awk '{print $3}' |awk -F ';' '{print $1}'` cat > $eth0 <<EOF TYPE=Ethernet DEVICE=eth0 NM_CONTROLLED=no PEERDNS=no BOOTPROTO=static ONBOOT=yes IPADDR=$IP0 NETMASK=$NET0 GATEWAY=$GAT0 EOF history -c > ~/.bash_history reboot

# !/bin/bash # redhat 5.8 resize lvm by jeff # create new partition fdisk /dev/vda <<EOF m n p 3 t 3 8e w EOF # load partition partprobe # add in lvmgroup lvm <<EOF pvcreate /dev/vda3 vgextend /dev/VolGroup00 /dev/vda3 vgdisplay EOF # 将获取到的硬盘大小减0.01G a=`lvm vgdisplay |grep -i free|awk '{print $7}'` b=0.01 DISK=$(echo "$a-$b" | bc)\G # 扩大lvm分区 lvm lvextend -L +$DISK /dev/VolGroup00/LogVol00 # 修改文件系统大小以实现扩充空间 resize2fs -p /dev/VolGroup00/LogVol00