General :: Stuck Choosing Between Ext4 And Ext3 For The File System?

Jul 7, 2011

I was in the process of installing Ubuntu 11.10, but got stuck choosing which file system to use. ext3 and ext4; which is better for a personal desktop? If ext4 is better, will it work well on my old PC (bought 3 years ago), or perhaps ext4 is not actually compatible with an old hard disk?

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General :: Ext4 New File System Mounting Compatibility With The Older Ext3 Type?

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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CentOS 5 :: Which File System Use 5.6 By Default Ext3 Or Ext4

Aug 29, 2011

Which file system uses Centos 5.6 by default, Ext3 or Ext4? I have installed on Ext3, it's upgrade from 5.5, but howto convert into Ext4 without damage or lost data?

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Fedora Security :: Encrypt Ext3 / Ext4 File System?

Jan 6, 2011

I want encrypt my fedora file system.
How to i can encrypt ext3 or ext4 file system.

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Ubuntu :: Which Command Should Run From The Terminal To Know Which File System (ext3 - Ext4) Runs On

Dec 27, 2010

I'd like to know which command i should run from the terminal to know which file system (ext3, ext4, etc...) my Ubuntu runs on.

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Debian Installation :: Stuck In Initramfs After Ext3>ext4?

Aug 14, 2010

I have Debian Squeeze with linux-2.6.32-5-amd64Ok, so what I did is first changed fstab ext3 to ext4, rebooted, everything looked good. Then I enabled extents and other ext4 features on my root and home partitions using commands

tune2fs -O extents,uninit_bg,dir_index /dev/sda3
tune2fs -O extents,uninit_bg,dir_index /dev/sda4
then I ran e2fsck -fDC0 /dev/sda3

[code]....

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Ubuntu :: Sh:grub - Root Mount File System Failed ... Ext2 Ext3 Ext4

Mar 27, 2010

I have dual boot system..i.e, windows XP and ubuntu 9.10(insatlled side by side). when i try to boot ubuntu, Im gettin sh:grub > prompt

[Code]...

I am getting something like this.. root mount file system failed.. ext2 ext3 ext4 ....... kernel panic message and hanged at kenelthreadhelpper+ what can i do.. I cant reinstall ubuntu again.. Because I have installed nany application there..

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Ubuntu :: Converting Ext3 To Ext4 On An Installed System ?

Nov 18, 2010

I've recently installed Ubuntu 10.10 on a machine, unfortunately, the hard drive was ext3 partitioned. Is there a way of converting this partition to ext4 without having to re-format and hence reinstall the entire OS ?

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Debian Configuration :: Convert Ext3 To Ext4 Without Damage A System?

Jul 28, 2011

I have squeeze with ext3 installed. Howto convert ext3 to ext4 without lost data or damage a running system?

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Ubuntu Installation :: Cannot Boot System After Migration From Ext4 Down To Ext3

Mar 22, 2010

I have been able to get most of the way through the process of changing from using ext4 back to using ext3, but something is not quite right so my system does not boot properly.

I have a system that was running Karmic Koala 9.10 as a server (no graphical environment). I had two drives using RAID1 with LVM on top, where the logical volumes of oldvg (old volume group) were using mostly ext4. /boot was not part of the RAID: it's on a separate physical drive and uses ext2.

I recently added two more drives and used RAID1 and LVM, and made all lv partitions (/, /usr, /var, /tmp, /opt, /home, /srv) ext3. I used rsync to duplicate the contents onto the logical volumes of newvg (new volume group). I was careful with rsync's option switches, and this part seems to be fine.

I also edited (the new) /etc/fstab and changed the UUIDs of the seven mount points to point to the logical volumes that are part of newvg instead of oldvg, and added new entries to (the new) /boot/grub/menu.lst to refer to newvg in addition to those that I left around to refer to oldvg.

This wasn't sufficient: rebooting here failed, but I went in with a rescue disk, and first updated /boot/grub/device.map to include the new physical drives. I then mounted all the new logical volumes, mounted boot also at its proper place, and entered a chroot of the new system as it should be mounted. Once there, (and after making a backup of /boot) I ran "update-initramfs -k all -c" to rebuild the initrd images that were stored on /boot. Finally, I also edited /etc/mtab so that the two entries that referred to oldvg now refer to newvg instead.

Now, the machine begins to boot from newvg, but the console text includes messages like:

And a bit later,

Now, at this shell if I type mount, I see:

I am actually confused as to why there are only entries for /root and /var in /etc/mtab, actually, instead of entries for all of the main mount points. I am thinking it must be part of the boot staging process, because there are entries for newvg-usr, newvg-tmp, etc. in /etc/fstab.

When I type any of pvdisplay, vgdisplay, or lvdisplay, I get

In fact, even if I run lvm, I get a similar error:

However, if I go back to the rescue cd, pvdisplay, vgdisplay, and lvdisplay do show that all of the partitions from both the old and new volume groups are available.

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Debian Configuration :: Live Migration To Ext3 To Ext4 On A LVM2 System

May 5, 2011

I have successful upgraded my system from Lenny to Squeeze and have even installed NVIDIA Driver successful, as well as other applications that I need. My system is now running smoothly and okey. My applications are also running smoothly except Skype 2.2 (Debian Forum Guys are currently helping me solve it).

However, I do want to upgrade my file system to ext4 in order to take its advance features and advantages especially that my system is now in WORK HORSE mode. However, I am not confident enough to do it because the guide is limited and does not tackle the issue of a system using ext3 with LVM2 on it.

Therefore, my question is how do I migrate (LIVE) my Ext3 to Ext4 on my system that uses LVM2? A clear and understandable guide is highly appreciated especially that I am newbie on it.

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CentOS 5 :: 5.5 Ext4 Conversion - Ext4 Partition Is Recognized As Ext3?

May 19, 2010

I had 5.4 machine. Upgraded to 5.5 today via yum upgrade. All went fine. Rebooted. Wanted to convert root partition to ext4 (I have three partitions: /boot, / and swap). All of them on software RAID 1 (root is /dev/md2). I did the following for converting

yum install e4fsprogs
tune2fs -O extents,uninit_bg,dir_index /dev/md2
nano /etc/fstab # I indicated here that my /dev/md2 is of ext4

[code]....

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General :: Recover A Deleted File Using The Ext3 File System?

Jan 10, 2011

I used the ext3 format when I formatted my partition prior to installing Ubuntu10.10. I had accidentally deleted a file and began the process to get it back. It wasn't critical but helpful to recover the file. To make a long story short I ran into to some unexpected road blocks. I tried to use PhotoRec to get the job done but with no success.

I'm just looking down the road in the event I might have to recover something important.If it would be better going back to the Fat32 file system I would rather do it sooner than later. Just as a side note I am dual booting between linux and windows.

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General :: Convert Ext3 To Ext4?

Mar 9, 2010

how to convert ext3 to ext4? I'd like to convert partitions which I use for virtual machines (vmware-server and virtualbox). I use Ubuntu 9.10 as vmware-server host and Gentoo as virtualbox host.

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General :: Mount A File System (/dev/sdb) As Ext3 (rw,acl,user_xattr)?

Jul 15, 2009

I'm trying to mount a second hard drive as a ext3 (rw_acl,user_xattr). I type the ff.:

# mkfs.ext3 -c /dev/sdb1(it seems to create a file system from this 2nd HD)

then type:

# mount -v /dev/sdb1 / type ext3 (it seems to mount it)

But when I check the ext3 systems with typing:

# mount -t ext3 (to check the list of ext3 devices, it gives me this)
/dev/sda1 on / type ext3 (rw,acl,user_xattr)
/dev/sda2 on /home type ext3 (rw,acl,user_xattr)
/dev/sdb1 on / type ext3 (rw)

How can I make /dev/sdb1 on type ext3 as (rw,acl,user_xattr) as the others?

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General :: Recover Data From Ext3 File System?

Jun 20, 2009

I have accidentally removed vmware virtual disk, my host operating system is RHEL5.2 with ext3 file system, i have used photorec, magicresue and foremost but still no luck to recover the vmdk file. i have seen in foremost configuration file that there are some predefined files (ex- doc, pdf, jpg, avi, zip, etc),

1. is there any way to add vmdk file extension on that configuration file?

2. if yes how can i do ?

3. by adding vmdk on configuration file, can i specifically use recover option for vmdk?

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General :: Ext3 File System Is Remounted With Readonly Access?

Sep 29, 2010

I am using linux kernel 2.6.10 after some time one of the file system is becoming read only. Here is the kernel dump

Freeing unused kernel memory: 160k init
kjournald starting. Commit interval 5 seconds
EXT3-fs warning (device hda1): ext3_clear_journal_err: Filesystem error recorded from previous mount: IO failure

[code]....

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General :: Mounting An Ext3 File System Destroys Superblocks?

Jun 27, 2010

I have an image of an ext3 file system done with dd. I know that the file system is corrupted but I want to try to recover some files. Whatever I dd it again to the original partition or assign the dd image to a loop device, that's what happens:

- dumpe2fs -h gives me a valid ext3 superblock.

- as I try to mount the device read only, it fails with a bad magic number error.

- executing dumpe2fs -h again gives bad magic number error.

- trying debugfs or fsck with backup superblocks fails the same way.

For me it seems that in spite of mounting the device as read-only, mount command do something wrong with the superblock as before the mount the superblock is correct and it's there.

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General :: Ext3/ext4 Filesystem - Cannot Open My Files

Jan 31, 2011

I have installed ubuntu to my pc. i made 3 partitions. one for system, one for data and one for swap. two of them were ext4. after some time i have reinstalled ubuntu again. but this time i didn't put to format the second partition, but just mount it using ext4. after that i cannot open my files. checked with gparted shows that 2GB used, but with df 188MB. and in properties writes ext3/ext4 filesystem. i used chown, chgrp but didn't help. please help, these data are ver important. i cannot lose them.

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General :: Formatting HD With Ext3 / Ext4 With Full RWX Permissions

Dec 29, 2009

How can I format a USB hard drive to ext3/ext4 or whatever file format and have full permission to read, write and execute all files afterwards? When using the command line (as ROOT of course) mkfs.ext3 /dev/sdb? Restricts the rights to ROOT as does the procedure gParted. The man mkfs did not help much. Configuring the fstab- file is a bit of a hassle, so it would be nice, if there was an option to set the permissions "correctly" right from the beginning. Setting Ubuntu (I'm using Ubuntu 9.10) up, so that it mounts USB devices not as ROOT as default but giving all users all permissions seems to be really complicated, as a guy from my local LUG told me.

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General :: Restore Files From An Ext3 File System Formatted With NTFS?

Oct 1, 2009

There were some files residing on my ext3 file system, using Ubuntu as my linux distribution. Yesterday I formatted the hard drive using a windows install CD, rewriting it with a new NTFS partition. I'm willing to restore my personal files deleted due to this format.

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General :: Old File System Discovered After Disabling Ext4 Journaling

May 7, 2011

I bought a ssd drive for my laptop, installed it, installed Windows 7, installed Kubuntu 11.04. Till then everything worked fine, and I had following partitions on my disc:

Code:

/dev/sda1 ntfs ~100MB win boot,
/dev/sda2 ntfs ~170GB win main,
/dev/sda3 extended

[code]....

It worked fine. While using 11.04 I encountered a serious bug in nvidia 270.41.06, and decided to switch to Kubuntu 10.10. I installed 10.10 on the very same /dev/sda5 (clicking a checkbox to format it). Everything worked fine, grub was installed and pointing to win7, and kubuntu 10.10. I disabled ext4 journaling as above, rebooted, and found, that grub now points to win7 and 11.04, and that system (which should have been removed during installation of 10.10) loads perfectly fine. I checked where 11.04 had been installed - still /dev/sda5. Win7 loads fine as well, so no linux on /dev/sda2 I checked if there was 10.10 kernel in /boot - no. File system on sda5 had no trace of 10.10.

I formatted sda5 with gparted, installed 10.10 again, disabled journaling and situation repeated, whole file system on sda5 changed. Enabling journaling did nothing, 10.10 didn't come back. I deleted sda3, sda5, sda6, made them again, installed 10.10, disabled journaling, and finally had my 10.10 on ext4 without journaling. So this is kind of solved, but I would still like to know that the hell happend? For the moment it looked like two file systems coexistened on one partition.

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General :: Sharing An Ext3/ext4 Partition On External Drive?

Aug 30, 2011

is there a way of sharing an ext3/ext4 formatted partition on an external USB drive between different users (uids) on different Linux machines without creating a group for this purpose, setting the group ownership of the partition to this group and adding each respective user to the group on every machine?This would mean that I need to have root privileges on every machine... which I may not have in some cases.I'm using the partition to store the code I'm developing on Linux and I would like the option to be safe... if possible.I could use a vfat partition but then I have no control of the rw rights + I cannot develop directly in the dir: I would always have to tar.gz the directory, extract, work, tar.gz, copy to the external drive.

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General :: What Is The Amount Of Space After Formatting For Ext4, Ext3, And Ntfs

Jun 12, 2011

I have just purchased a 2TB drive for my server and I was trying to get an idea of the differences between these file systems or other file systems out there. What is the amount of space after formatting for ext4, ext3, and ntfs?

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General :: Recover Files From Ext4 File System Overwritten By New Installation

Jul 3, 2011

My main hard disk died and I replaced it. After installing windows in a small partition in /dev/sda, I thought I will try linux mint and went for it. (I need windows to play AOE, but ubuntu is my primary OS)I didnt see the options properly or some distraction, I choose the "install alongside windows" option probably expecting it to install it in the unallocated partition next to the windows installation. I had completely forgotten my second internal drive /dev/sdb which has the backup data. Linux mint went and installed itself on that drive.

Is there a way to recover individual files from the second harddrive. Now if I boot or open it through live cd, all I see in the linux mint file systems. I want to aleast recover my CV/resume from the second drive. The second drive is a single ext4 file system The old drive is completely dead, it doesnt even get recognized when I attach it to SATA.

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General :: Shrinking Broke Partition Table - EXT4 File System?

Aug 23, 2010

In an attempt to shrink my Data partition on my 500GB drive I had succeded in shrinking it but I think I have broken the partition table as now it refuses to mount. When trying to mount I get this error mount: wrong fs type, bad option, bad superblock on /dev/sda2 I have done some searching around but most fixes haven't worked because they are based on ext2/3 File systems and this partition is ext4. Using Ubuntu 10.04 x64.

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Ubuntu :: Ext4 File System Hosed After 11 Upgrade (duplicate Directory & File Names)?

May 8, 2011

I recently upgraded to Ubuntu 11 and a few days later my ecryptfs filesystem began misbehaving in a weird way. In my home directory, many subdirectory names are duplicated verbatim. Here's an ls -F excerpt:

Desktop/
Desktop/
Documents/
Documents/
Downloads/
Downloads/

I can no longer access files in those directories (if I ls the directory, it appears empty; I can cd to it, but there's nothing inside). Not all of the directories are duplicated/damaged like this, but most are. A few non-directory files are also duplicated in this fashion, so for example:

[Code]...

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Ubuntu :: Samba - Windows Read Files From A Home File Server With An Ext4 File System?

Jan 28, 2011

Can windows read files from a home file server with an ext4 file system? or do I have to partition the drive with the server (ext4) and an ntfs partition with the files on?

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Fedora :: Formatting Ext3 File System

Oct 25, 2009

How would I format my partition into a ext3 file system?

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Ubuntu :: Corrupted EXT3 File System?

Feb 9, 2011

I am using Ubuntu since release 8.10, but it is first time when i can`t solve problem

when i tried to create new NTFS partition on unallocated disk space with Paragon Partition Manager (damn, that was stupid). Process was aborted with error (later i finally made it with Gparted without problems)

After reboot mine Ubuntu say:

Code:
Errors were found while checking the disk drive for /

Press F to attempt to fix errors, I to ignore, S to skip mounting or M for manual recovery. I pressed "F" but that had help only for a boot and doesn`t really fix error :`(

Later i booted from liveCD and had checked partition (/dev/sdb1; file system - ext3) with gparted (result - aborted fixing process with error) Now i can`t even boot from that partition and even mount it from other linux system.

mine fdisk -l
Code:
/dev/sdb1 * 1 5957 47849568 83 Linux - problematic partition (unmountable)
/dev/sdb2 5958 29983 192988845 7 HPFS/NTFS

[Code]....

PhotoRec recover most of my files, but i need complete partition.

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