Ubuntu :: Mounting Ext4 Drives/partitions In 6.06?
Apr 5, 2010
I just recently found an iso for 6.06 and installed it on an old pc of mine that already had 8.04 and crunchbang on it. crunchbang is on an ext4 formatted partition.
When I setup 6.06, it asked me what i wanted to mount my drives as, so i told it to mount the ext4 system as hda1.
whenever 6.06 boots, it tries to mount hda1 but can't because it doesn't recognize ext4.
What I am asking is this: is there a deb or a package out there I can install to make 6.06 recognize ext4? if not, how can i make it so that 6.06 does not want to mount hda1?
I can get past the initial error message and into the desktop, so 6.06 does work.
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Oct 21, 2010
I have various drives and partitions that I have been mounting through fstab, but sometimes I had to do it manually, but now, I can't get them to mount at all. At first I thought it might be a disk failure, but booting to a Live CD shows all the drives working fine. when the entries are added into fstab, $mount -l shows them as mounted to their relevant mount points, but the data does't show in either terminal or dolphin?
Typing $umount /dev/drive always returns /dev/drive not mounted.
When I comment out the entries in fstab and reboot and try a manual mount, I always get /dev/drive already mounted or /mount/point busy. $mount -l does not show any mount entry points for the drive. My /home/user partition is now full as I can't save data on the other drives, so I don't know if this is an issue. Also I use a mixture of encrypted partitions and non encrypted partitions, but this wasn't an issue before. Checking some of the logs didn't show any errors. The problem seemed to start when gdd was saving data to a partition mount point I thought was mounted but wasn't. I have since removed that data and even created a new mount point.
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Mar 6, 2010
I need to examine a hard drive that came from another system running Ubunut Server (not sure what version). I know the drive has LVM on it, so as far as I understand that means the drive will be treated as EXT4 for mounting. I can't boot from the actual disk, but I have used a IDE to USB connector to make a binary copy of the drive, which I've mounted as a loopback device. However, when I try to mount the loopback device properly, I get this:
root@~je:/# mount -o ro -t ext4 /dev/loop0 /mnt
mount: wrong fs type, bad option, bad superblock on /dev/loop0,
missing codepage or helper program, or other error
In some cases useful info is found in syslog - try
dmesg | tail or so
I tried using -t ext4dev too, but that just gives an unknown filesystem error. The file I've got mounting in /dev/loop0 is a .dd file, created by imaging the drive using dcfldd on the server drive while it was mounted (as /dev/sdb). System I'm working on is running Ubuntu 9.10. All I need is to be able to mount the server drive so I can traverse the file directories, there's a few things I need to check on it. If needed I can dispense with the whole loopback setup and just directly connect the server hard drive again using the IDE to USB cable, but I'd rather not do that; it's imperative that the drive doesn't get altered, or at least as little as possible.
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Aug 10, 2010
Is there a way that I can get Dolphin to mount partitions? When I try to, it gives me an error on the bottom of the window saying I don't have permission to. I also can't mount partitions in other programs like Amarok, because of the same issue.
Error Message:
An error occurred while accessing 'Windows 7', the system responded: org.freedesktop.Hal.Device.PermissionDeniedByPolicy: org.freeDesktop.hal.storage.mount-fixed auth_admin_keep_always <-- (action, result)
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Dec 27, 2009
I've been struggling with this one for a while - I have three SATA hard drives installed on my system:
/dev/sda - an 80 GB disk with three partitions, one NTFS for WinXP, one ext4 for Fedora 11 x86_64, and a boot partition
/dev/sdb - a 250 GB disk with one partition, ext4
/dev/sdc - a 250 GB disk with one partition, ntfs
I can mount any partition on /dev/sda without problems - everything works exactly as expected. Attempting to mount a partition from one of the other disks results in something like the following (this is for sdc1):
Code:
[User@machine ~]$ sudo mount -t ntfs /dev/sdc1 /mnt/shared
[sudo] password for User:
ntfs-3g: Failed to access volume '/dev/sdc1': No such file or directory
ntfs-3g 2009.11.14 integrated FUSE 27 - Third Generation NTFS Driver
XATTRS are on, POSIX ACLS are off
Copyright (C) 2005-2007 Yura Pakhuchiy
Copyright (C) 2006-2009 Szabolcs Szakacsits
Copyright (C) 2007-2009 Jean-Pierre Andre
Copyright (C) 2009 Erik Larsson
Usage: ntfs-3g [-o option[,...]] <device|image_file> <mount_point>
Options: ro (read-only mount), remove_hiberfile, uid=, gid=,
umask=, fmask=, dmask=, streams_interface=.
Please see the details in the manual (type: man ntfs-3g).
Example: ntfs-3g /dev/sda1 /mnt/windows
Ntfs-3g news, support and information: http://ntfs-3g.org
The /mnt/shared directory is created; the failed to access error is related to the disk.
Here is the output from fdisk:
Code:
[User@machine ~]$ sudo fdisk -l
Disk /dev/sdb: 250.0 GB, 250059350016 bytes
255 heads, 63 sectors/track, 30401 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Disk identifier: 0x0f970f96
Device Boot Start End Blocks Id System
/dev/sdb1 1 30401 244196001 8e Linux LVM
Disk /dev/sdc: 250.0 GB, 250059350016 bytes
255 heads, 63 sectors/track, 30401 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Disk identifier: 0x1050104f
Device Boot Start End Blocks Id System
/dev/sdc1 1 30401 244196001 7 HPFS/NTFS
Disk /dev/sda: 80.0 GB, 80026361856 bytes
255 heads, 63 sectors/track, 9729 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Disk identifier: 0x8e538e53
Device Boot Start End Blocks Id System
/dev/sda1 1 6375 51200000 7 HPFS/NTFS
/dev/sda2 * 6375 6400 204800 83 Linux
/dev/sda3 6400 9729 26743361 8e Linux LVM
Disk /dev/dm-0: 21.4 GB, 21428699136 bytes
255 heads, 63 sectors/track, 2605 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Disk identifier: 0x00000000
Disk /dev/dm-0 doesn't contain a valid partition table
Disk /dev/dm-1: 5955 MB, 5955911680 bytes
255 heads, 63 sectors/track, 724 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Disk identifier: 0x00000000
Disk /dev/dm-1 doesn't contain a valid partition table
Disk /dev/dm-2: 250.0 GB, 250059348992 bytes
255 heads, 63 sectors/track, 30401 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Disk identifier: 0x0f970f96
Device Boot Start End Blocks Id System
/dev/dm-2p1 1 30401 244196001 8e Linux LVM
Disk /dev/dm-3: 250.0 GB, 250056705024 bytes
255 heads, 63 sectors/track, 30400 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Disk identifier: 0x00000000
Disk /dev/dm-3 doesn't contain a valid partition table
And also from blkid (this does not match the output from above - but I don't know if this is actually related to the problem or how to fix it):
Code:
[User@machine ~]$ sudo blkid
/dev/sda1: UUID="506412E06412C91C" TYPE="ntfs"
/dev/sda2: UUID="811bf259-33d5-4db2-9851-e93b47dcbcc8" SEC_TYPE="ext2" TYPE="ext3"
/dev/sda3: UUID="U3AJLH-Lhm1-b0lf-HDX9-ZK1V-ezqU-sb0YGQ" TYPE="lvm2pv"
/dev/dm-0: UUID="f5733171-0753-4f53-834b-cc693ffb0aed" TYPE="ext4"
/dev/dm-1: TYPE="swap"
/dev/mapper/vg_machine-lv_root: UUID="f5733171-0753-4f53-834b-cc693ffb0aed" TYPE="ext4"
/dev/mapper/vg_machine-lv_swap: TYPE="swap"
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Jun 21, 2010
I recently had issues with the latest version of the Linux Kernels and I got that fixed but ever since that has happened none of my Drives will mount and they aren't even recognized.
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Oct 18, 2010
I suspect this is not new but I just can't find where it was treated. Maybe someone can give me a good lead.I just want to prevent certain users from accessing CD/DVD drives and all external drives. They should be able to mount their home directories and move around within the OS but they shouldn't be able to move data away from the PC. Any Clues?
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Mar 8, 2011
currently my fstab entry for a partition is this:/dev/sda6 /media/Media ext4 defaults 0 0 But that seems to not give me any permissions on it, i can't create/copy/paste or anything with files onto it
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Jan 9, 2010
I have 4 partitions. One is Ext4 for Karmic, one is NTFS for WinXP, and the other two are Ext4 where I keep all my stuff.When I boot into Karmic and open Nautilus, none of the last three are auto mounted. When I click on one of them, instead of a window popping out asking me for a sudo password, I get a message as shown below.f I try to mount via sudo in terminal it works, but the files for me are then all read-only. Again, if I open Nautilus as root, all works fine.What I want is the following:- for all 3 partitions to automount on startup;- for all 3 partitions to be owned by me and not by root.I tried editing /etc/fstab, but to no avail. Neither did running "chown" help.
/etc/fstab:
# /etc/fstab: static file system information.
#
[code]....
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Feb 12, 2010
How can I access ext4 partitions from windows 7?
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Dec 8, 2010
I recently downloaded and installed and updated Debian squeeze. Its a dual-boot machine and the migration process is going to take its own time. In the interim, I want to look at the ext4 partitions through windows. I know/knew about ext2ifs fs-driver.org but somehow I'm not able to view the ext4 partitions even though they show up in Control Panel as ext2ifs drives.
If you guys know of any other softwares which can do the same work or better please lemme know. I also tried something called ext2explore but that one crashes all the time around. Lastly, does somebody know which is the best way to be in the know of Squeeze development and the milestones within it.
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Dec 19, 2010
I was thinking about reformatting my thumbdrives and external HDs from NTFS or FAT32 over to ext4. Anyone know if this could potentially cause any problems? They won't be used on a win machine.
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Mar 18, 2011
I have a very simple question I am creating a new partition for storing files, installers, documents, etc, I am going to make it ext4, now my question is, do I have to specify a mounting point?? I would not like to do that, but if I do not specify a mounting point, will I be able to access that partition? So in what cases you specify mounting point and when you do not specify mounting point?
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Mar 18, 2011
How do I auto-mount other ext4 partitions? just selected not all
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Nov 13, 2010
I need to access sdc2 & sdc4 from SUSE, have shared the partitions already but i am unable to write data there. I checked permissions, it says only owner can change the permission. I need to get rw access for a normal user. Have chmod it already but it didnt work.
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Jan 4, 2010
Sometimes openSUSE boot ends with these errors:[url]
(I do not know why it prints an error on Ext2 filesystem when the disk is formatted Ext4...)
[url]
Here is my Fstab:
Code:
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May 22, 2011
I would like to ask you if there is a robust way to mount as a drive a ext4 partition inside windows 7 and if it is possible to use it also to storing window's 7 data.
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Sep 3, 2011
If you have a contiguous partial piece of an ext4 file system (assuming it's perfectly clean), starting from the beginning of the partition, is there any way to check it, or to mount it to get the files whose parents, inodes and data are all completely contained inside?
Have (or maybe had) a very large 11TB RAID 6 array, filled with a single large ext4 partition. Something strange happened when a single drive failed and the array ended up failing 13 out of the 11 drives. I had trouble getting the array restarted, and got to the point where I exhausted all of the options I considered completely safe. I considered a few things that may have worked, but mdadm doesn't seem to have a definite "do not change anything" option. So I decided the only way to be absolutely safe would be to clone the disks before proceeding - then I realized how much time that would take and sent the drives off to a recovery service so they could image them and check it out.
Before doing so, I copied the first 2GB from each disk. I XORd the images from the working drives to reconstruct the data chunks that were on the failed disk, manually assembled the chunks, and am very confident that I have 22GB of "correct" data in a single file. The parity and Q syndromes all matched (with RAID 6 you can still check with only 1 missing device). I've learned the fine details of ext4 from [URL], and have looked at lots of raw data from the reconstructed partition, and it all looks good. The recovery company says that they're not finding many inodes, but I found a lot of them, exactly where they're supposed to be. I tried to mount and e2fsk, but both processes seem to be extremely unhappy that the device size doesn't match the size implied by the file system geometry.
I considered hacking the superblock to manually reduce the size, but I figure that wouldn't work because there would then be more group descriptor blocks than it would expect after the superblocks. I might try doing that and compensating by incrementing the "reserve block count" to compensate. Alternatively, if there is some way to make the file appear to be the expected size with nothing but zeroes after the end of the actual data, maybe I could mount it and not get any errors until I cause the kernel to read past the true end of the file.
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Apr 28, 2010
I've been Ubuntu 8.10 along with Windows from abt 3-4 monthsFor automatically mounting of NTFS drives that I has which were created by WIndows, I uses NTFS Configuration tool Everything was working fine in both OS's.But how come of a sudden today I'm not able to open any drive that I have which were happening till now.Not only this,at least if we press F9 then we get sidebar,from where we could have opened the drive .even that is not happening.
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Apr 7, 2010
I created 3 partitions on my usb stick, one is vfat, one ist ntfs and one is ext4.And i formated them like this:
Code:
mkfs.vfat -F32 /dev/sdg1
mkfs.ext4 /dev/sdg2
[code]....
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Sep 7, 2009
How well is the ext4 new file system mounting compatibility with the older ext3 previous Linux installations ? I refer to Ubuntu 9.04 and the new Fedora 11 which have the option to install with the ext4 file format. Will it be better if I install with the older ext3, so that I will be able to mount all other Linux from each other in a multi-boot system ?
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Apr 9, 2011
Is there anyway to make so of my hard drives I have which are being used to share over a network automaticly mount themselves when my pc boots up?
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Feb 8, 2011
i have a fedora 11 server which can't access the ext4 partitions on lvm logical volumes on a raid array during boot-up. the problem manifested itself after a failed preupgrade to fedora 12; however, i think the attempt at upgrading to fc12 might not have anything to do with the problem, since i last rebooted the server over 250 days ago (sometime soon after the last fedora 11 kernel update). prior to the last reboot, i had successfully rebooted many times (usually after kernel updates) without any problems. i'm pretty sure the fc12 upgrade attempt didn't touch any of the existing files, since it hung on the dependency checking of the fc12 packages. when i try to reboot into my existing fedora 11 installation, though, i get the following screen: (click for full size) a description of the server filesystem (partitions may be different sizes now due to the growing of logical volumes):
Code:
- 250GB system drive
250MB/dev/sdh1/bootext3
lvm partition rest of driveVolGroup_System
10240VolGroup_System-LogVol_root/ext4
[code]....
except he's talking about fake raid and dmraid, whereas my raid is linux software raid using mdadm. this machine is a headless server which acts as my home file, mail, and web server. it also runs mythtv with four hd tuners. i connect remotely to the server using nx or vnc to run applications directly on the server. i also run an xp professional desktop in a qemu virtual machine on the server for times when i need to use windows. so needless to say, it's a major inconvenience to have the machine down.
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May 14, 2011
I upgraded to Ubuntu 11.04 from 10.10 about a week or so ago and since the upgrade when I boot into Ubuntu (I am running a dual boot Ubuntu and win7) other HDD's and partitions often do not show up anywhere on my system. For example I have an ntfs partition that I store music on so I can access it on either windows or ubuntu, as well as other partitions. When this issue occurs even my dvd drive appears not to exist. I have to reboot my machine sometimes 4 or 5 times before the drives/partitions show again. I had no issue like this before running the upgrade or using earlier versions of Ubuntu.
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Apr 24, 2010
I have Ubuntu 9.10 and when i plug in my usb drive it wont mount it automatically and is not shown in the nautilus browser also, but if i search in /dev its visible(its detected) and i can mount using mount /dev/sdc /mnt But if i do this i can only copy files from browser and for all other times i need to use terminal again
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Nov 18, 2010
It seems to be (we have experienced) that 10.10 can't handle having an older ext3 drive mounted to a folder on the 1010 ext4 drive. The files get "corrupted", but afterwards, putting the drive back into the original older 9.04 system, the files are perfectly fine again.
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Jan 9, 2011
Update: Solution posted below. Distro: Kubuntu 10.04 AMD 64. My system automatically mounts USB devices when attached to the system. I have explicitly disabled this function in (KDE) System Settings --> Advanced --> Removable devices. It doesn't matter - as soon as a USB device is plugged in the system mounts it as root.
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Nov 22, 2010
This is my first time using Ubuntu (though I've been interested in it for about a year). I decided to dual-boot my Acer AspireOne netbook running Windows 7 starter with Ubuntu 10.10 Netbook version. I am in the process of looking through all of the information in terms of getting use to the system, but right now I am trying to figure out how to access my files on the Windows half of the computer. I've been following the instructions here: [URL] but I am unable to get NFTS configuration to run, so I moved onto PySDM which appeared to work just fine except now when I boot up it gives me the error: "Unable to mount media/sda3" Press S to skip mounting process or M for manual recovery
Since I am still very much a newbie when it comes to terminal commands, I stayed away from the manual recovery and pressing S just puts me back into the welcome screen so I can log in. I've been searching the forums and I can't find much on it. Maybe I am missing a really important factor here? Also, in some version of the instructions, the other partitions are supposed to become viewable once mounted. I went into looking through the files using PySDM, but what I saw was mostly greyed out files...
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Nov 24, 2010
I've created some encrypted partitions using Disk Utility, and would like them to be automatically mounted when Ubuntu starts up. Is there a guide to this anywhere?
I've gathered that it involves /etc/crypttab and possibly /etc/init.d/cryptdisks, but haven't had much success so far.
Ideally, some of the partitions would mount early in the boot process, while some of them can mount after I've logged in.
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Jun 30, 2011
I'm currently using an older version of ubuntu (Karmic) and want to finally update. Is there a way for me to get ubuntu to ask for a password before mounting a partition like Karmic did? I've been looking for a way to solve this problem, but I haven't been able to find any solutions. I know a lot of people found it annoying but I rather liked it.
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