linux使用fdisk对硬盘进行lvm分区扩容硬盘并且shell自动化一键脚本方法 tmpfdisk.sh

小樱

linux使用fdisk对硬盘进行lvm分区扩容硬盘并且shell自动化一键脚本方法 tmpfdisk.sh

扩容参考，根据这个贴写的，有需要自己修改，注意快照，否则可能引起无法启动等问题：http://bbs.itzmx.com/thread-21922-1-1.html

1. vi tmp.sh

复制代码

1. #!/bin/bash
   
2. echo "n
   
3. p
   
4. 3
   
5. 41611
   
6. 
   
7. t
   
8. 3
   
9. 8e
   
10. w
    
11. " | fdisk /dev/vda
    
12. echo -e "mkfs -t ext4 /dev/vda3\npvcreate /dev/vda3\nvgextend VolGroup /dev/vda3\nlvextend -r -l +100%FREE /dev/mapper/VolGroup-lv_root\nsed -i '/tmpfdisk.sh$/d' /etc/rc.d/rc.local\nrm -rf /root/tmpfdisk.sh" >> /root/tmpfdisk.sh
    
13. echo "sh /root/tmpfdisk.sh" >> /etc/rc.d/rc.local && rm -rf tmp.sh && reboot

复制代码

小樱

25G升级到40G硬盘的话

1. vi tmp.sh

复制代码

1. #!/bin/bash
   
2. echo "n
   
3. p
   
4. 4
   
5. 52013
   
6. 
   
7. t
   
8. 4
   
9. 8e
   
10. w
    
11. " | fdisk /dev/vda
    
12. echo -e "mkfs -t ext4 /dev/vda4\npvcreate /dev/vda4\nvgextend VolGroup /dev/vda4\nlvextend -r -l +100%FREE /dev/mapper/VolGroup-lv_root\nsed -i '/tmpfdisk.sh$/d' /etc/rc.d/rc.local\nrm -rf /root/tmpfdisk.sh" >> /root/tmpfdisk.sh
    
13. echo "sh /root/tmpfdisk.sh" >> /etc/rc.d/rc.local && rm -rf tmp.sh && reboot

复制代码

小樱

自己后来直接新开的5刀一个月的款式升级40G

1. vi tmp.sh
   

复制代码

1. #!/bin/bash
   
2. echo "n
   
3. p
   
4. 3
   
5. 52013
   
6. 
   
7. t
   
8. 3
   
9. 8e
   
10. w
    
11. " | fdisk /dev/vda
    
12. echo -e "mkfs -t ext4 /dev/vda3\npvcreate /dev/vda3\nvgextend VolGroup /dev/vda3\nlvextend -r -l +100%FREE /dev/mapper/VolGroup-lv_root\nsed -i '/tmpfdisk.sh$/d' /etc/rc.d/rc.local\nrm -rf /root/tmpfdisk.sh" >> /root/tmpfdisk.sh
    
13. echo "sh /root/tmpfdisk.sh" >> /etc/rc.d/rc.local && rm -rf tmp.sh && reboot

复制代码