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Linux系统格式化分区时提示Could not start /dev怎么办?

时间:2021-04-10 来源:来了老弟 人气:

在格式化Linux分区的时候,不少人遇到了棘手的问题,提示Could not stat /dev/sda7 --- No such fileor directory错误,那么有什么办法能够解决Linux格式化分区的报错问题呢?

Linux查看已经分好的区

[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

格式化新分区的时候,报错,提示下面的错误,没有这个文件或目录。

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?

解决方法:

执行partprobe 命令

partprobe包含在parted的rpm软件包中。

partprobe可以修改kernel中分区表,使kernel重新读取分区表。

因此,使用该命令就可以创建分区并且在不重新启动机器的情况下系统能够识别这些分区。

查看是否安装过该命令:

[root@linuxidc~]# rpm -q parted

packageparted is not installed

提示没有安装过,则需要安装parted

安装命令:#yum install parted #前提是保证你的虚拟机可以上网,要从网络下载安装包

[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

 

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!

安装完成后,再进行查询一次,已经安装成功。

[root@linuxidc~]# rpm -q parted

parted-2.1-25.el6.i686

执行一下该命令:

[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.

然后执行格式化,就OK了,如果还提示出错,重启之后再执行格式化就可以了。

[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格式化分区报错Could not start /dev/sda No such file or directory的解决方法,通过执行partprobe 命令来解决分区问题。

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