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Linux系統格式化分區時提示Could not start /dev怎麼辦?

  在格式化Linux分區的時候,不少人遇到了棘手的問題,提示Could not stat /dev/sda7 --- No such fileor directory錯誤,那麼有什麼辦法能夠解決Linux格式化分區的報錯問題呢?

Linux系統格式化分區時提示Could not start /dev怎麼辦?

  Linux查看已經分好的區

  [root@linuxidc ~]# fdisk -l /dev/sda

  Disk /dev/sda: 21.5 GB, 21474836480 bytes

  255 heads, 63 sectors/track, 2610 cylinders

  Units = cylinders of 16065 * 512 = 8225280bytes

  Sector size (logical/physical): 512 bytes /512 bytes

  I/O size (minimum/optimal): 512 bytes / 512bytes

  Disk identifier: 0x7d57cb1f

  Device Boot Start End Blocks Id System

  /dev/sda1 1 2610 20964793+ 5 Extended

  /dev/sda5 1 128 1028097 83 Linux

  /dev/sda6 129 256 1028128+ 83 Linux

  /dev/sda7 257 384 1028128+ 83 Linux

  格式化新分區的時候,報錯,提示下面的錯誤,沒有這個文件或目錄。

  Could not stat /dev/sda7 --- No such fileor directory

  The device apparently does not exist; didyou specify it correctly?

  [root@linuxidc ~]# mke2fs -t ext4 /dev/sda7

  mke2fs 1.41.12 (17-May-2010)

  Could not stat /dev/sda7 --- No such fileor directory

  The device apparently does not exist; didyou specify it correctly?

  解決方法:

  執行partprobe 命令

  partprobe包含在parted的rpm軟件包中。

  partprobe可以修改kernel中分區表,使kernel重新讀取分區表。

  因此,使用該命令就可以創建分區並且在不重新啟動機器的情況下系統能夠識別這些分區。

  查看是否安裝過該命令:

  [root@linuxidc~]# rpm -q parted

  packageparted is not installed

  提示沒有安裝過,則需要安裝parted

  安裝命令:#yum install parted #前提是保證你的虛擬機可以上網,要從網絡下載安裝包

  [root@linuxidc~]# yum install parted

  Loadedplugins: fastestmirror

  1234567 Loadingmirror speeds from cached hostfile

  * base: mirrors.skyshe.cn

  * extras: mirrors.skyshe.cn

  * updates: mirrors.skyshe.cn

  base | 3.7 kB 00:00

  extras |3.3 kB 00:00

  updates | 3.4 kB 00:00

  Settingup Install Process

  ResolvingDependencies

  --》Running transaction check

  ---》Package parted.i686 0:2.1-25.el6 will be installed

  --》Finished Dependency Resolution

  DependenciesResolved

  Package Arch Version Repository Size

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  Installing:

  parted i686 2.1-25.el6 base 595 k

  TransactionSummary

  Install 1 Package(s)

  Totaldownload size: 595 k

  Installedsize: 2.1 M

  Isthis ok [y/N]: y

  DownloadingPackages:

  parted-2.1-25.el6.i686.rpm | 595 kB 00:16

  Runningrpm_check_debug

  RunningTransaction Test

  TransactionTest Succeeded

  RunningTransaction

  Installing : parted-2.1-25.el6.i686 1/1

  Verifying : parted-2.1-25.el6.i686 1/1

  Installed:

  parted.i686 0:2.1-25.el6

  Complete!

  安裝完成後,再進行查詢一次,已經安裝成功。

  [root@linuxidc~]# rpm -q parted

  parted-2.1-25.el6.i686

  執行一下該命令:

  [root@linuxidc~]# partprobe

  Warning:WARNING: the kernel failed to re-read the partition table on /dev/sda (Deviceor resource busy)。 As a result, it maynot reflect all of your changes until after reboot.

  Warning:WARNING: the kernel failed to re-read the partition table on /dev/sdb (Deviceor resource busy)。 As a result, it maynot reflect all of your changes until after reboot.

  Warning:Unable to open /dev/sr0 read-write (Read-only file system)。 /dev/sr0 has been opened read-only.

  Warning:Unable to open /dev/sr0 read-write (Read-only file system)。 /dev/sr0 has been opened read-only.

  Error:Invalid partition table - recursive partition on /dev/sr0.

  然後執行格式化,就OK了,如果還提示出錯,重啟之後再執行格式化就可以了。

  [root@linuxidc~]# mkfs -t ext4 /dev/sda7

  mke2fs1.41.12 (17-May-2010)

  Filesystemlabel=

  OStype: Linux

  Blocksize=4096 (log=2)

  Fragmentsize=4096 (log=2)

  Stride=0blocks, Stripe width=0 blocks

  64384inodes, 257032 blocks

  12851blocks (5.00%) reserved for the super user

  Firstdata block=0

  Maximumfilesystem blocks=264241152

  8block groups

  32768blocks per group, 32768 fragments per group

  8048inodes per group

  Superblockbackups stored on blocks:

  32768, 98304, 163840, 229376

  Writinginode tables: done

  Creatingjournal (4096 blocks): done

  Writingsuperblocks and filesystem accounting information: done

  Thisfilesystem will be automatically checked every 35 mounts or

  180days, whichever comes first. Use tune2fs-c or -i to override.

  上面就是Linux格式化分區報錯Could not start /dev/sda No such file or directory的解決方法,通過執行partprobe 命令來解決分區問題。

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