Ubuntu :: Server Not Booting - Unknown Filesystem Type
Jan 28, 2011
I changed the first line of /etc/fstab in an attempt to get rid of an annoying message "mount: unknown filesystem type 'static'". All I did was put a "#" on the first line .... changing the original from:
# /etc/fstab: static file system information.
#
# <file system> <mount point> <type> <options> <dump> <pass>
to:
#
# /etc/fstab: static file system information.
#
# <file system> <mount point> <type> <options> <dump> <pass>
I have tried desperately to get to the file system so that I can edit that first line in fstab out but nothing works and the file system comes up as read only ...
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Mar 27, 2010
When I try to boot to OpenSUSE I get the following error during boot-up: unknown filesystem type 'reiserfs' could not mount root filesystem - exiting to /bin/sh$
This only started happening quite recently - before this I could boot to Linux quite happily.
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Aug 26, 2011
I recently upgrade my armel NAS from etch to squeeze. During the partitioning step of the installation I intentionally left unmounted the data partition (900GB formatted XFS) but after the installation I'm not able to mount it.
I edited the fstab file adding the last line
And tried a mount but I get the message
So i noticed throught lsmod that I don't have the module for xfs
Tried installing xfsprogs but it didn't helped. So I searched for xfs-modules but seems it doesn't exists for armel architecture. Am I right? What does it means? That XFS is not supported in armel Squeeze? Assumed I can't transfer/backup 900GB of partition, is there a way to convert it on-the-fly to a supported filesystem format?
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Jul 7, 2010
I dont know anything about linux and just been assigned to amount a drive to it. here's what i did so far: Version of Linux using Red Hat Enterprise Linux Server release 5.3 (Tikanga) [root]# mount -t auto /dev/sdb1 /tmp/archive mount: unknown filesystem type 'ntfs'
when checking the /proc/filesystems, i noticed that 'ntfs' is not listed there, several forum suggested i try running 'modprobe ntfs'. If that is not found, you'll need a kernel with ntfs support. i'm so lost, where to i get the modprobe ntfs
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Apr 27, 2011
I had windows with ntfs I installed ubuntu. All ok. Gurb with 2 os, can ran windows and ubuntu and can mount ntfs partition in ubuntu I installed debian with lvm over ubuntu partition. I can't mount ntfs partition now, and windows doesn't appears in gurb
# mount /dev/sda1 /mnt/windows/
mount: unknown filesystem type 'LVM2_member'
# pvs --all
PV VG Fmt Attr PSize PFree
/dev/dm-1 -- 0 0
/dev/dm-2 -- 0 0
/dev/root -- 0 0
[Code]....
I can't active vg because haven't name, but is not lvm, is only ntfs partition Maybe ubuntu puts in lvm and grub? Any idea? If I change with fdisk to ntfs i lose all the information in the partition?
[Code]...
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Feb 5, 2010
i am trying to compile kernel 2.6.23 on Fedora 12 After fixing a few bugs (getline error, %dil ,etc) i was able to compile the kernel made initramfs img using dracut updated grub and then booted up the new kernel 2.6.23 but it fails to boot with following error mount: unknown filesystem type 'ext4'
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Mar 28, 2011
I just updated Fedora 14 with the updates it downloaded and I am now stuck with the error.
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Feb 21, 2010
Formated new drive with ext3 on external drive on Suse 11.1 When upgraded to 11.2, drive was not connected... Could not get mounted after that... Set up another boot drive, could not get to mount. Found post with following:
>cryptsetup luksOpen /dev/sde1 restore
>mkdir /restore
>mount /dev/sde1 /restore
Error as follows: mount: unknown filesystem type 'crypto_LUKS' Have also got to another point where superblock was incorrect. I can use terminal, but am not a linux guru... Have looked at other posts under luks, but can not find a solution.
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Mar 18, 2011
my ubuntu installation has stopped booting after i deleted and again created one of my partitions (not the ubuntu partition but my data partition). but now when i switch on my netbook it says: error: unknown filesystem grub rescue>
i used gparted live to resize. this is my disk partition structure:
[Code]....
before doing this, my ubuntu partition was /dev/sda7, the swap partition was /dev/sda 6, and the data partition was /dev/sda 7.
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Jul 19, 2010
My friend recently installed ubuntu to his existing computer which had windows XP. Today when he tried to start the PC it showed the error
[Code]...
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Mar 12, 2010
I installed Ubuntu Server 9.10 in a virtual machine, and I'm trying to install the VMware Tools but I can't mount the installer CD: $ sudo mount /dev/scd0 /media/cdrom mount: unknown filesystem type 'iso9660'
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Oct 30, 2010
I had a problem with my grub (system displayed "unknown filesystem" and then the grub rescue prompt). I then used a livecd of ubuntu 9.04 and ran fsck for a while (closed it in the middle). Grub then worked. But when i select ubuntu 10.04 it goes to the purple screen and stops there. There's some error before loading the purple screen.
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Feb 26, 2010
I just loaded octave. I ran through a few examples of how to implement a script file. Everything works until I get to "plot". When I run the "plot" command I get the following.
octave:2> test1.m
error: can't perform indexing operations for <unknown type> type
sh: gnuplot: not found
Just to double check my work, I ran the following code:
y=[1 2 3];
plot(y);
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Feb 4, 2011
In my system around 73gb(pc-desktop) i have,1 primary partition(windows)-25gb, 1-extended partition(remaining gb) 3 logical partitions were there in (under) extended partition in one of the logical partition is d:drive. in my hard disk d: drive is -/dev/sda5
previosly i was fat -file system , (d:drive-/dev/sda5), i remember i changed the d: drive(d:drive-/dev/sda5) file system to ext4file system ,with following command using terminal
After doing(changing the file system)this one ,i couldnt see the d:drive data
By doing that
1q) Did i reformatted the partition? i think the new filesystem(ext4) has no knowledge of the data that was on it when it had a FAT filesystem.
2q) How to do undo operation,i tried to change the filesystem type to fat/ntfs in terminal using command --sudo mkfs -t FAT /dev/sda5.
Result:its showing text message-'mkfs.FAT: No such file or directory'(not in single quote)
I had very imp data in d:drive
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Jul 9, 2010
I have a following problem: Recently my drive with Ubuntu 9.4 has mysteriously stopped working, i.e. when I switch the computer on it informs me that GRUB didn't find the filesystem. Well, I suppose it happens.
First, I though it was due to the drive dying, but I popped it in an external enclosure and HDTune told me the drive was fine. Wanting to recover the files on the drive before reinstalling I first tried to mount it in said external enclosure under Windows (I have Win Ext2 driver installed which used to work just fine). This time, however, drive gets assigned a letter but upon opening it Windows popped up an error saying that the drive was not formatted and whether I would like to format it then.
Unfazed by this streak of failures I tried to mount it under Linux but, alas, to no avail. I might have tried every single -t operator under mount command but it still won't budge and let me mount.
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Mar 11, 2011
I am trying to mount a file image, like this
mount -o loop /tmp/apps.img /media/apps
But I get the following:
mount: you must specify the filesystem type
I try ext3:
mount -o loop /tmp/apps.img /media/apps -t ext3
dmesg says:
error: can't find ext3 filesystem on dev loop6.
I've also tried ext2, vfat etc. How can I detect the filesystem type of apps.img?
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Mar 22, 2011
having a bit of a problem here. I woke up this morning, and my computer was froze. It does this from time to time, the monitor won't respond and wake up, flashing lights in the keyboard etc. Well anyways, I turned it off, then turned it back on, and it says:
Code:
error: unknown filesystem
grub rescue >
[code]....
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Jul 15, 2010
I am doing the DNS configuration for the first time. Error in named configuration:
zone localdomain/IN: loaded serial 42
zone localhost/IN: loaded serial 42
zone 0.0.127.in-addr.arpa/IN: loaded serial 1997022700
file1:9: unknown RR type 'example.com.'
file1:11: unknown RR type 'red.exmple.com.'
zone example.com/IN: loading master file file1: unknown class/type
[Code]....
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Apr 18, 2011
When I want to mount an iso file with "-o loop" I get an error that need the filesystem type. How can I fix that?
Code:
mahmood@pc:disk$ sudo mount -o loop ubuntu10.10_64.iso /mnt
mount: you must specify the filesystem type
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Feb 25, 2010
i have changed from windows xp to ubuntu 9.10 in monday but yesterday i turned my pc on and when i get in my session all get freeze, i waited for an hour and it was the same so i turned it off pressing the on/off button of the cpu, when i restarted it it saysGrub loading...Grub failed: unknown filesystemGrub rescuei dont knoe what to do.PD:i removed windows, only ubuntu is in the PC
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Jul 14, 2010
I have a laptop with windows7 and ubuntu installed. When I installed Ubuntu it created 4 partitions (2 for swap and 2 for ubuntu). Yesterday, a friend of mine deleted one of the partitions (swap+linux) because they weren't being used (weren't even mounted) and he thought I could use the free space. I kept on using the laptop but today I had to reboot it. Instead of getting the usual grub menu I got this:
Code:
error: unknown filesystem.
grub rescue>
I tried using the solutions I found in lots of posts related with this matter but I couldn't fix it. What I tried was this:
Code:
#show you the available partitions
ls
#look for boot files on the partitions
ls (hd0,1)/boot
[code]....
The problem is that it doesn't recognise the commands 'linux', 'boot' or 'initrd'...
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Apr 11, 2011
I recently did a clean install of 11.04 Beta, and I must have done something wrong with the mount points during installation, which resulted in me having a different home folder mount point or something. The old partition on which I have my home folder needed to be mounted manually. I did that once, and then upon reboot, I couldn't access the partition anymore. Disk Utility now shows the partition as "unknown filesystem".
The output of fdisk is as follows (if that helps at all):
Disk /dev/sda: 160.0 GB, 160041885696 bytes
255 heads, 63 sectors/track, 19457 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
[Code]....
On a side note, I tried using TestDisk to restore the partition, but I only created a DD image of the damaged partition, but now I'm stuck, as I'm not sure how to mount it, or if it's possible to retrieve files if I succeed in mounting the image.
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Feb 1, 2010
A formerly working system now gives an 'error 17' at Grub instead of booting. Here are the facts I have gathered thus far.
$ blkid
n/a (no output)
$ sudo fdisk -l /dev/sda
Code:
Disk /dev/sda: 60.1 GB, 60060155904 bytes
255 heads, 63 sectors/track, 7301 cylinders
[Code]...
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Jan 3, 2010
I had win7 on my laptop. Before sometime I install Ubuntu 9.10 and it worked fine. Bur later that I resize the partition using third party software. Now when I restart the system it is giving me an error
GRUB Loading
error: unknown filesystem
grub rescue>
I am not able to access the harddrive. I am very new to ubuntu.
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Feb 7, 2010
I have been using ubuntu 9.10 for a month. i have it installed on a 5GB separate partition of a 80 GB hard disk with my XP installed on a C drive(a separate partition ofcourse) then i had to remove it from my PC so i boot my PC with a partition manager cd and directly formatted that partition of 5GB from that software now i am having this error on my boot of PC....
grub rescue> error:unknown filesystem
I have tried a lot of commands here on this screen and nothing happens...i want to go to my XP .... and can't loose my XP OS and other data as well on different partitions.....
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May 7, 2010
I upgraded from 9.10 to 10.04 and during the upgrade it asked to install a new version of grub or keep the current one. Thinking that I should just upgrade the grub just to make sure that I had the latest version I decided to do it. So I told it the partitions to use the ubuntu, ubuntu swap, vista, and vista recovery.Finished the upgrade and restarted.I tried to boot into both the vista, and vista recovery but I noticed something weird. Grub switched the names, the actual vista install is called recovery, and when you tried to load it, a blinking cursor would appear for a split second and then loop back to grub. If you tried to select the vista recovery now called vista it would just sit at the blinking cursor for infinity. But booting into ubuntu worked.
So I decided to wipe ubuntu and do a fresh install of 10.04. Went through and set up the swap and ext4 partitions at the end of the hard drive(because I would like to expand the windows directory should I ever be able to boot into it). Now when I start up and select vista recovery now called vista it sits at the blinking cursor just as before.
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Oct 16, 2010
there was ubuntu on my pc operating system but it is strange for me so i wanted to instal windows 7 on my pc. I inserted Window 7 disk and started to install it and i formated Ubuntu but the disk what i was using was damaged and it could not complite the installation and now i dont have any programs in my pc. Problem is that i got another disk but i cant boot anymore my pc, i select drive and stuff and then comes error.
error: unknown filesystem grub rescue- i tryed different commands but those didnt worked.
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Oct 24, 2010
I am using Ubuntu 10.04 and am having a major issue with it not booting. My PC worked fine yesterday but when I tried to boot this morning I get the error "error: unknown filesystem" and under that I get the "grub rescue>" prompt.
At first I thought this was just a problem with Grub that would be easy fixed so I put in my Ubuntu USB and loaded it up in live mode. But when I try to look at my file system from within the live environment I can't seem to see any of my files.
I have looked at the drive in GParted and my main file system (/dev/sda1) shows up as 'unknown', while the swap partition (/dev/sda5) shows up as it should. I have also looked at the drive with the Disk Utility and the SMART Status says the disk is healthy.
I am really concerned about this as currently the system is totally unable to load, not only that but I am also unable to recover my data from the drive which is my main concern as I havent done a backup for quite some time and I have a lot of python code that I have been working on that I really need to get back.
Has anyone got any idea of what to do and how I might be able to sort this out or at the very least recover all my data. I can't understand why this has happened I have not made any changes to the system recently other than installing the updates that came through yesterday. This is a really urgent issue for me and any help will be very appreciated.
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Nov 17, 2010
I had dual boot with windows 7 and ubuntu 10.04 running, and working. In my grub menu on startup I could choose (among things) something called Vista loader. Dont know why, since I installed windows 7 and not vista. Could also choose windows7 and ubuntu, both worked.
Today I accidentally pressed the vista loader, and now I get the following error upon boot: Error unknown filesystem grub rescue
So the next thing I did was download the latest ubuntu and boot from live cd. I followed instructions [url] on how to purge grub2 and reinstall it, and did so with out any problems. However the same error remains when I boot.
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Apr 19, 2011
I just recently decided to install Ubuntu alongside windows 7 64bit. I was working fine until I decided to increase the partition size of the unused space to take up some space of an unused partition I had made earlier. When I tried to reboot windows I got the error -
error: unknown fileystem.
grub rescue>
I have tried a windows repair disc with no results, it cannot find any problem with the startup routine and I have looked at many different tutorials and information about how to restore grub using command from the grub rescue menu. Ubuntu 10.10
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