ubuntu下添加新的磁盘

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昨天在VMware里安装了Ubuntu 6.06，硬盘空间是默认的4GB，安装了scratchbox和maemo SDK以后，磁盘基本上快满了。

从Ubuntu的Blog里找到添加磁盘并移动文件系统的方法：

修改虚拟机的设置，添加一个新的scsi硬盘

1. 用fdisk分区

$ sudo fdisk /dev/sdb

2. 建文件系统

$ sudo mkfs /dev/sdb1 -t ext3

3. mount上新的分区

$ sudo mkdir /mnt/newusr
$ sudo mount -t ext3 /dev/sdb1 /mnt/newusr

4. 复制/usr下的文件到新的分区(不能直接用cp命令)

$ cd /usr/
$ sudo find . -depth -print0 | sudo cpio --null --sprse -pvd /mnt/newusr

5. mount新的分区

$ sudo umount /mnt/newusr
$ sudo mv /usr /old_usr
$ /old_usr/bin/sudo mkdir /usr
$ /old_usr/bin/sudo mount /dev/sdb1 /usr

6. 修改/etc/fstab，告诉ubuntu启动时mount新的分区

$ sudo vi /etc/fstab
/dev/sdb1 /usr ext3 defaults 0 1

7. 重启ubuntu，一切正常的话，就可以删除旧的/usr目录了

$ sudo rm -r /old_usr

8. 如果有问题的话，可以试试到recover模式下去恢复，不过我没遇到这种情况。Good luck!

Ref: http://ubuntu.wordpress.com/2006/01/29/move-home-to-its-own-partition/

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