xensystem 挂载磁盘

此文章转载自:http://blog.aoyohost.com/mount-ext3-formatted-disk.html  因为文章写得很详细,就不补充,只拷贝

自己总结下原理:这就是虚拟一块磁盘给vps 用,vps 想用这块磁盘,需要格式化,挂载。

    [root@MyVPS ~]# fdisk -l (查看磁盘分区)

    Disk /dev/xvdb: 7516 MB, 7516192768 bytes
    255 heads, 63 sectors/track, 913 cylinders
    Units = cylinders of 16065 * 512 = 8225280 bytes

    Disk /dev/xvdb doesn't contain a valid partition table

    Disk /dev/xvda: 10.7 GB, 10737418240 bytes
    255 heads, 63 sectors/track, 1305 cylinders
    Units = cylinders of 16065 * 512 = 8225280 bytes

        Device Boot      Start         End      Blocks   Id  System
    /dev/xvda1   *           1          13      104391   83  Linux
    /dev/xvda2              14        1044     8281507+  8e  Linux LVM
    /dev/xvda3            1045        1305     2096482+  8e  Linux LVM
    [root@MyVPS ~]# df -hal //*查看已划分区空间使用情况*//
    Filesystem            Size  Used Avail Use% Mounted on
    /dev/mapper/VolGroup00-LogVol00
                          9.3G  1.2G  7.7G  13% /
    proc                     0     0     0   -  /proc
    sysfs                    0     0     0   -  /sys
    devpts                   0     0     0   -  /dev/pts
    /dev/xvda1             99M   29M   66M  31% /boot
    tmpfs                 151M     0  151M   0% /dev/shm
    none                     0     0     0   -  /proc/sys/fs/binfmt_misc
    sunrpc                   0     0     0   -  /var/lib/nfs/rpc_pipefs
    [root@MyVPS ~]# fdisk /dev/xvdb //*对硬盘/dev/xvdb进行增加分区操作*//
    Device contains neither a valid DOS partition table, nor Sun, SGI or OSF disklabel
    Building a new DOS disklabel. Changes will remain in memory only,
    until you decide to write them. After that, of course, the previous
    content won't be recoverable.

    Warning: invalid flag 0x0000 of partition table 4 will be corrected by w(rite)

    Command (m for help): n //*输入n新建分区*//
    Command action
       e   extended
       p   primary partition (1-4)
    p //*输入p主分区*//
    Partition number (1-4): 1 //*输入1第一个分区*//
    First cylinder (1-913, default 1): //*回车跳过*//
    Using default value 1
    Last cylinder or +size or +sizeM or +sizeK (1-913, default 913): //*回车跳过*//
    Using default value 913

    Command (m for help): w //*输入W保存退出*//
    The partition table has been altered!

    Calling ioctl() to re-read partition table.
    Syncing disks.
    [root@MyVPS ~]# mkfs -t ext3 /dev/xvdb1 //*将新分区xvdb1(此名称因系统而异)格式化为ext3格式*//
    mke2fs 1.39 (29-May-2006)
    Filesystem label=
    OS type: Linux
    Block size=4096 (log=2)
    Fragment size=4096 (log=2)
    917504 inodes, 1833410 blocks
    91670 blocks (5.00%) reserved for the super user
    First data block=0
    Maximum filesystem blocks=1879048192
    56 block groups
    32768 blocks per group, 32768 fragments per group
    16384 inodes per group
    Superblock backups stored on blocks:
        32768, 98304, 163840, 229376, 294912, 819200, 884736, 1605632

    Writing inode tables: done                          
    Creating journal (32768 blocks): done
    Writing superblocks and filesystem accounting information: done

    This filesystem will be automatically checked every 21 mounts or
    180 days, whichever comes first.  Use tune2fs -c or -i to override.
    [root@MyVPS ~]# mount /dev/xvdb1 /home //*将新分区xvdb1挂载到目录/home*//
    [root@MyVPS ~]# df -hal
    Filesystem            Size  Used Avail Use% Mounted on
    /dev/mapper/VolGroup00-LogVol00
                          9.3G  1.2G  7.7G  13% /
    proc                     0     0     0   -  /proc
    sysfs                    0     0     0   -  /sys
    devpts                   0     0     0   -  /dev/pts
    /dev/xvda1             99M   29M   66M  31% /boot
    tmpfs                 151M     0  151M   0% /dev/shm
    none                     0     0     0   -  /proc/sys/fs/binfmt_misc
    sunrpc                   0     0     0   -  /var/lib/nfs/rpc_pipefs
    /dev/xvdb1            6.9G  144M  6.4G   3% /home
    [root@MyVPS ~]# echo "/dev/xvdb1 /home ext3 defaults 1 2" >> /etc/fstab //*添加开机自动挂载*//
    //*S4 Did For AoyoHost*//

还有详细的操作图

You May Also Like

About the Author: admin

发表评论

邮箱地址不会被公开。 必填项已用*标注