马哥下午课程精简

  #!/bin/bash

  2 #Version:0.0.1

  3 #Author :QinQin Zhou

  4 #Datetime:2012-6-4

  5 #Description:

  6 echo "  

  7 n

  8 

  9 +10G

 10 t

 11 5

 12 8e

 13 n

 14 

 15 +5G

 16 t

 17 6

 18 8e

 19 w" | fdisk /dev/sda

 20 partprobe /dev/sda

 21 pvcreate /dev/sda5

 22 pvdisplay

 23 vgcreate myvg /dev/sda5

 24 vgdisplay myvg

 25 lvcreate -L 2G -n mylv1 myvg

 26 lvdisplay /dev/myvg/mylv1

 27 mke2fs -j /dev/myvg/mylv1

 28 echo '/dev/mylv1                /backup                 ext3    defaults        0 0' >> /etc/fstab

 29 mkdir /backup

 30 mount -a

 31 cd /backup

 32 cp /etc/fstab ./

 33 ls /backup

 34 pvcreate /dev/sda6

 35 vgextend myvg /dev/sda6

 36 pvmove /dev/sda5 /dev/sda6

 37 vgreduce myvg /dev/sda5

 38 vgs

 39 ls /backup

 40 cat /backup/fstab

 41 pvremove /dev/sda5

 42 pvs

 43 lvextend -L 3G /dev/myvg/mylv1

 44 df -lh

 45 resize2fs /dev/myvg/mylv1

 46 df -lh

 47 cat /backup/fstab

 48 unmount /backup

 49 e2fsck -f /dev/myvg/mylv1

 50 resize2fs /dev/myvg/mylv1 1G

 51 lvextend -L 1G /dev/myvg/mylv1

 52 e2fsck -f /dev/myvg/mylv1

 53 mount /dev/myvg/mylv1

 54 cat /backup/fstab

 55 lvcreate -L 50M -n mylv1-snap -a -p r /dev/myvg/mylv1

 56 ls -l /dev/myvg

 57 mkdir /snap

 58 mount -o ro /dev/myvg/mylv1-snap /snap

 59 cd /snap

 60 ls

 61 echo "new line." >> /backup/fstab

 62 cat /backup/fstab

 63 cat /snap/fstab

 64 tar -jcf /root/backup.tar.bz2 /snap/*

 65 cd

 66 umount /snap

 67 lvremove -f /dev/myvg/mylv1-snap

 68 lvs