Solve the Mount LVM hard disk error in Linux
I have two hard disks on my machine. One LVM made of 80 GB is obtained from another machine with data on it. I want to mount it on my current system, but it doesn't work. Please give me some advice !!!!!![Root @ All/] # fdisk-lDisk/dev/HDC: 80.0 GB, 80026361856 bytes255 heads, 63 sectors/track, 9729 CylindersUnits = cylinders of 16065*512 = 8225280 bytes
Device b
Mount the hard disk. The following message is displayed: mount: unknown filesystem type 'lvm2 _ Member,
Problem: The system is directly attached to the solid state drive due to linux reinstallation and solid state drive. When starting the server,
I can't see the mounted directory of the original HDD. I don't know how to access the HDD. Run the
today to help customers mount a USB mobile hard drive 4t,ntfs format, encountered some problems, summary records as follows,
system
#fdisk-L
have seen a 4T hard drive
Warning:gpt (GUID Partition Table) detected on '/DEV/SDC '! The util Fdisk doesn ' t support GPT. Use GNU Parted.
disk/dev/sdc:4000.8 GB, 4000787029504 bytes256 heads, Sectors/track, 484501 cylindersUnits = Cylinders of 16128 * 8257536 bytesSector size (logical/physical): bytes/4096 byte
650) this.width=650; "src=" Https://s2.51cto.com/wyfs02/M02/96/5C/wKioL1kgU42gKJhlAAAMYB48kWE167.png "title=" Qq20170520223319.png "alt=" Wkiol1kgu42gkjhlaaamyb48kwe167.png "/>Mount parameter Description:Mount-t auto-o ro/dev/cdrom/mnt/cdrom #不加参数也能自动挂上. #-t Auto Type auto,-o ro read-only modeWORKAROUND: Because the optical drive is configured in the virtual, you need to select "Connected" in the selection of the virtual machine-〉 device->cd/dvd-〉 dev
Troubleshoot problems with Mount LVM hard drive under Linux
My machine two hard drives, one 80g of the LVM I took from another machine, with data on it. I want to mount it on my current system, but no, high man to point!!!!!![Root@all/]# Fdisk-ldisk/dev/hdc:80.0 GB, 80026361856 bytes255 heads, Sectors/track, 9729 cylindersUnits = Cylinders of 16065 * 8225280 bytes
Device Boot Start End Blocks Id System/DEV/
LinuxYou can see that a new partition has been established/DEV/SDB1Then format and mount the partition# mkfs-t ext4-c/dev/sdb1MKE2FS 1.41.12 (17-may-2010)Filesystem label=OS Type:linuxBlock size=4096 (log=2)Fragment size=4096 (log=2)Stride=0 blocks, Stripe width=0 blocks61054976 inodes, 244190000 blocks12209500 blocks (5.00%) reserved for the Super userFirst Data block=0Maximum
Mounting the optical drive on a linux Virtual Machine reports "mount: you must specify the filesystem type" error handling, specifyfilesystem1. Environment Description
Host OS: Windows 7
Virtual Machine Software: VMware Workstation
Virtual Operating System: linux 6.3 (File System EXT4)2. Error
[Root @ ol6-single ~] # Mount/dev/cdrom/mnt/cdrom
Today's own virtual machine disk is completed, so I would like to add a disk, when mounted to find an error you must specify the filesystem type. (Note: My system environment is lcentos6.3 installed in VirtualBox virtual machine)
It turns out that the disk does not have a format partition resulting in the following actions:
1 First look at the current system situation, the new disk is SDB
The code is as follows
Copy Code
matches yourRunning Kernel. Dkms hasKernel-develAs a requirement, but that only pulls inStandardKernel-devel package.
If you are running the xen kernel (kernel-xen), you need
yum install kernel-xen-devel
If you're running kernel-PAE, you need to install
yum install kernel-PAE-devel
Same goes for Kernel-SMP and so on.
Yum will installLatestKernel-*-devel package. Make sure that it fits the kernel you are using. You might have to reboot to run the latest installed kernel after a "yum Update"
Mount: you must specify the filesystem type, specifyfilesystemMount: you must specify the filesystem type
The following message is displayed when you attach an image file to a VM:
Two reasons are preliminarily determined:
1. the command "eject" is used when the disc is detached.
2. No optical drive/image files are attached to the virtual machine.
Solution:
VM
Due to unexpected causes of machine restart, the machine up and found that the disk is not mounted, mounted, resulting in an error[[email protected]/] # mount/dev/hdc2 /mnt/cdrommount:you must specify the filesystem typeWorkaround:1. First Use Vgscan2.vgchange-ay3. Lvscan4. Mount to step three if the LV status of the two hard drives is displayed normally as acti
1. Environmental descriptionHost host operating system: Windows 7Virtual machine software: VMware WorkstationVirtual operating system: Linux 6.3 (File system EXT4)2. Error phenomena[Email protected] ~]# Mount/dev/cdrom/mnt/cdrom
Mount:you must specify the filesystem type
3. Cause analysis(1) because it is a virtual machine, the first suspect is that the "CD/DVD" In the device of t
Problem:# Mount-t ntfs/dev/sdb1/mnt/Mount: unknown filesystem type 'ntfs'This is because partitions in NTFS format cannot be identified on CentOS release 5.5 (Final.
Solution:Solved by using ntfs-3g.Open the download point ntfs-3g for the http://www.tuxera.com/community/ntfs-3g-download/, download the latest stable (current latest version is ntfs-3g-2011.1.15) t
virtual machine in Linux mount Disc display: Mount:you must specify the filesystem typePrompt when mounting image files on virtual machines today:
There are 2 reasons for the initial determination:1. Use the command when uninstalling the disc: Eject2. The virtual machine is not mounted on the optical drive/image file at allProcessing method:Connected front hook, CD/DVD, device status, setting, virtual mach
the Fstab file:650) this.width=650; "src=" http://s2.51cto.com/wyfs02/M00/7F/A6/wKiom1cnYgvg-cBaAAMArzXu1nI867.jpg "title=" 21.jpg "alt=" Wkiom1cnygvg-cbaaamarzxu1ni867.jpg "/>View Fstab File650) this.width=650; "src=" http://s5.51cto.com/wyfs02/M01/7F/A4/wKioL1cnY1SBPDI2AAL4YAWVk2c112.jpg "title=" 22.jpg "alt=" Wkiol1cny1sbpdi2aal4yawvk2c112.jpg "/>Mount usage options, use ansible-doc-s mount to see more
question:
Mount:unknown filesystem type ' NTFS '
This is because NTFS-formatted partitions are not recognized on Redhat.
Solution:
Solved by using ntfs-3g.
Open the ntfs-3g download point http://www.tuxera.com/community/ntfs-3g-download/, download the latest stable to Redhat, and install the following command:
1) Compile and install ntfs-3g:
#
./configure
#
Make
#
Make Install
2) View device points
[root@localhost ~]# fdisk-l
disk/dev/s
Problem:
The version is 9.10. After an update, the system cannot be restarted. Black screen prompt: Mount of root filesystem failed. A maintenance shell will now started ....
Solution:
1. Insert the Ubuntu installation disk into the optical drive and select "Try Ubuntu without any changes ".
2. Go to the Ubuntu trial and open a terminal. Enter the following command:
1:Mkdir/mnt/Ubuntu
2:
In VMware, Ubuntu is displayed on a black screen:
1 mount of filesystem failed
2 A maintenance shell will now be started.
3 Control-D will terminate this shell and re-try
4 root @ mint :~ #
The solution is also simple:
1 fdisk-l
01 Disk/dev/SDA: 80.0 GB, 80032038912 bytes
02 255 heads, 63 sectors/track, 9730 Cylinders
03 Units = cylinders of 16065*512 = 8225280 bytes
04 disk identifier
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