解决：Disk /dev/sd doesn't contain a valid partition table
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Last login: Thu Apr 26 01:34:42 2012 from rac2
[root@rac1 ~]# fdiks -l
-bash: fdiks: command not found
[root@rac1 ~]# fdisk -l
Disk /dev/sda: 128.8 GB, 128849018880 bytes
255 heads, 63 sectors/track, 15665 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Device Boot Start End Blocks Id System
/dev/sda1 * 1 13 104391 83 Linux
/dev/sda2 14 15665 125724690 8e Linux LVM
Disk /dev/sdb: 2147 MB, 2147483648 bytes
255 heads, 63 sectors/track, 261 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Disk /dev/sdb doesn't contain a valid partition table
[root@rac1 ~]# Disk /dev/sdb doesn't contain a valid partition table
>
[root@rac1 ~]# mkdir /mnt/sdb
[root@rac1 ~]# mount /dev/sdb /mnt/sdb
mount: you must specify the filesystem type
[root@rac1 ~]# fdisk /dev/sdb
Device contains neither a valid DOS partition table, nor Sun, SGI or OSF disklab el
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
Command action
e extended
p primary partition (1-4)
p
Partition number (1-4): 1
First cylinder (1-261, default 1):
Using default value 1
Last cylinder or +size or +sizeM or +sizeK (1-261, default 261):
Using default value 261
Command (m for help): p
Disk /dev/sdb: 2147 MB, 2147483648 bytes
255 heads, 63 sectors/track, 261 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Device Boot Start End Blocks Id System
/dev/sdb1 1 261 2096451 83 Linux
Command (m for help): w
The partition table has been altered!
Calling ioctl() to re-read partition table.
Syncing disks.
[root@rac1 ~]# fdisk -l
Disk /dev/sda: 128.8 GB, 128849018880 bytes
255 heads, 63 sectors/track, 15665 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Device Boot Start End Blocks Id System
/dev/sda1 * 1 13 104391 83 Linux
/dev/sda2 14 15665 125724690 8e Linux LVM
Disk /dev/sdb: 2147 MB, 2147483648 bytes
255 heads, 63 sectors/track, 261 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Device Boot Start End Blocks Id System
/dev/sdb1 1 261 2096451 83 Linux
[root@rac1 ~]#
参考文章解决方法
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虚拟机环境，linux系统下新添加了一块硬盘
1. 虚拟机--设置--添加，选择硬盘添加 2. 首先为磁盘创建文件系统：mkfs.ext3 /dev/sdb 3. 创建挂载点：mkdir /mnt/sdb 4. 挂载：mount /dev/sdb /mnt/sdb 5. fdisk -l 发现有问题： Disk /dev/sdb doesn't contain a valid partition table 6. fdisk /dev/sdb 跟着向导一步步做下去（如果不知道该输入什么，就输入“m”并回车，可以打印出菜单）： Command (m for help):m Command action a toggle a bootable flag b edit bsd disklabel c toggle the dos compatibility flag d delete a partition l list known partition types m print this menu n add a new partition （后面的菜单省略，太长了） 这里我们要添加一个新的分区，所以输入“n”： Command (m for help):n Command action e extended p primary partition (1-4) p Partition number (1-4):1 First cylinder (1-14098, default 1):（此处直接回车） Using default value 1 Last cylinder or +size or +sizeM or +sizeK (1-14098, default 14098): （此处直接回车） Using default value 14098 Command (m for help):p Disk /dev/sdb: 115.9 GB, 115964116992 bytes 255 heads, 63 sectors/track, 14098 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Device Boot Start End Blocks Id System /dev/sdb1 1 14098 113242153+ 83 Linux 现在可以写入分区表了，所以输入“w”： Command (m for help):w The partition table has been altered! Calling ioctl() to re-read partition table. Syncing disks. 现在再fdisk -l，结果正常。 |