General :: Recover Data From Repartitioned EXT4 Filesystem

Aug 5, 2011

On my drive I had 2 partitions for an Ubuntu 9.04 (swap, /) and one partition for Windows. I figured out that I should upgrade my Ubuntu, so I deleted the "/" partition and in its place created 2 new partitions (/, /home) .

After installing the latest Ubuntu 11.04, I realised that although I had backuped everything I needed in a 2nd disk and I could access those folders and their data from my Ubuntu 9.04, both my Windows and the 11.04 can locate neither the folders nor the data now. I have no idea why this happened (perhaps some issue with the mounting?) I have tried the trial version of Stellar Phoenix linux data recovery tool, but it cannot locate the old partitions.

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General :: EXT4 - Recover Any / All Of Data From Formatted Media Drive?

Jun 4, 2010

Last night I made the mistake of formatting my media drive. Before the format, it was ext4. then I formatted it to ext4 again because I wasn't paying attention to what I was doing(this mistake only gets made once). Now im looking for away to recover any/all of my data. The drive in question is 1tb. I have not written any new files to this drive.

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General :: How To Repair Filesystem - Appearing As Free Space - Recover The NTFS Data Partition ?

Feb 16, 2010

Original disk:
XP NTFS primary
Linux / ext4 logical
Linux /home ext4 logical
Win 7 NTFS logical
NTFS data logical
swap space
NTFS recovery partition

I tried to install linux, as there was a problem with XP overwriting grub, I chose write grub to /dev/sda8 (which is where the linux install was appearing earlier).

I guess this borked the filesystem somehow. Now the NTFS data partition and the swap space are appearing as one free space.
Well actually before that some linux live CDs (including gparted were seeing the entire drive as unpartitioned). I had to go into XP and delete the /ext4 partitions.

Is there any way for me to recover the NTFS data partition ?

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Ubuntu :: How To Recover Data - Ext4 Partition

Dec 8, 2010

I unknowingly formatted my whole 160GB hard disk to ext4 file system from Fat while installing Ubuntu. Now my hard disk has only one ext4 partition. recover my old data.

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Ubuntu :: Recover Data After LiveCD Filesystem Change?

Sep 1, 2010

120 GB HDD. All ext4. Wanted to partition it into 60 gig ntfs, and 60 gig ext4 for dual install. Booted up the LiveCD. Clicked on the partition to modify. Selected /windows as mount point. Change took place. Now, my disk shows up as 57 GB FAT (almost all of which is free) and 60 GB of unallocated space. Any way to recover it? I'm sue the data is in the 60 GB of unallocated space. While I have a back up of some of the data, I'm going to be losing quite a bit if I can't recover this...

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Ubuntu :: How Do I Recover Data From Corrupt Encrypted Filesystem

Dec 1, 2010

Recently I was forced to hard reset my computer a couple of times (mostly out of frustration) and due to my idiocy i was confronted with the standard Kernel Panic message at bootup. I tried running an fsck from live cd which corrected a bunch of errors but to no avail (as far as getting rid of the Kernel Panic msg). I then tried to mount the filesystem by accessing it from live cd (and later even installed ubuntu on a small leftover partition to get rid of the annoying live cd lag) but it says that I don't have access to my home or root folder. Mounting from command line gave the same issue.

So now to the question. Is there a general procedure to access data in my corrupt filesystem if it is encrypted?

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Ubuntu :: Does An Ext4 Filesystem Being Used Only For Data Storage Require A Swap Space

May 6, 2011

I am running a dual boot system with Win7 on /dev/sda and Ubuntu 10.10 on /dev/sdb

I also have a 250 GB disk I use for storing backup data, /dev/sdc

The two logical partitions on /dev/sdc (/dev/sdc2 and /dev/sdc5) each take up 2.86 GB and I would like to free up that space if possible.

Since the filesystem on /dev/sdc doesn't have an OS on it, does it still require that those two logical partitions exist?

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General :: How To Recover Files - Ext4 Harddrive

Aug 4, 2010

Just rm -rf *'d home/me/ directory... tried extundelete, didn't recover more than 10% of data.. trying scalpel, taking forever..Anyone know of a sure fire way to recover data from ext4?

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General :: Create Replica Of Ext4 Filesystem And Re-use It?

Mar 18, 2011

Is there a way that I can use my Linux ext4 file system, as such and then use it on some other computer.I have a dual-boot of Windows 7 and Ubuntu 10.04 and my partition table looks like this:My question might not be clear, so explaining it with an example.Can I copy my Linux partition on a flash drive and then use it on a different PC, with or without any need to install Ubuntu on new PC, by simply booting from the copied ext4 partition.This way, I can easily port my Ubuntu packages and other applications, settings etc. from one PC to other

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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 :: 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 :: Filesystem For SSD Disk: BTRFS Vs NILFS2 Vs EXT4?

Jul 11, 2010

I've just bought a new SSD hard drive:Kingston SSDNow V-Series SNV125-S2/128GB 2.5'' 128GB SATA/300The question is which filesystem whould you recommand and why?BTRFS vs NILFS2 or EXT4?If you choose ext4 would you enable jurnalling?I'm very close to choose Btrfs.Any experience with running any of these on your SSD?

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General :: How To Recover / Root Filesystem From Backup?

May 4, 2010

Suppose I have a good backup of the / root filesystem. How do I recover the / root area? Suppose I have modified the root filesystem, perhaps I do an update some of the packages and regret it, and I want to get back to the system at the time of the backup. How do most linux people recover the root area of a system from a backup?

1) I wondered if I might put a System Rescue CD in and boot off it?
2) And then NFS mount the directory containing the backup? -In my case, I have made a good backup using rsync, to a directory elsewhere on the network.
3) And then, still booted off the System Rescue CD, mount the partition that contains the / root area in question?
4) Would I then clear or empty or delete the contents from the / root partition?
5) And then copy across all the files from the backup into the / root partition?

I ask these questions because of the (very nice) way linux OS is built entirely from packages... Am I being too complicated? (By comparison, I can see it is easy to recover user data.)If, instead, I simply recovered the backup straight onto the updated root filesystem, I wonder what it would look like if I then tried to verify it with "rpm -Va", for example? Surely, all the packages would fail the verification, because it would think it has a later version of each package from the update, but the actual files would have been overwritten by the earlier version from the backup?

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General :: Recover Data After Deletion Like 'rm' ?

Jan 19, 2011

Possible Duplicate:Recover a file deleted using rm command in Linux.I have accidentally deleted all the stuff under my home directory, say /home/OriginalWood, is it possible to recover?Now the home directory is empty and not yet overlapped by any data. So, is there a way to recover?

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General :: Recover Ext 4 Partition And Data?

Aug 27, 2009

Well i have an 20GB HDD (/dev/sdb) formated with ext4 and has very important files on it .All of sudden something went wrong and the 20GB partition has been lost . Now how do i have to recover that partition and primarily recover those files . Gparted shows no partition on it but unpartitioned space .

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General :: Mounting Second HDD To Recover Data

Apr 16, 2010

I wanted to get some data off a second disk, let me tell you what I did. (that didn't work). The data I am looking for is under /etc/ on the second disk. I looked in /dev for /dev/hda or hdb but there was nothing.

I found:

So I guessed /dev/sdb /dev/sdb1 /dev/sdb2 was the second disk. So I did:
mkdir /tmp/olddisksdb
mkdir /tmp/olddisksdb1
mkdir /tmp/olddisksdb2

Then I did
mount /dev/sdb /tmp/olddisksdb and got mount: you must specify the filesystem type
mount /dev/sdb1 /tmp/olddisksdb1 and got no feedback (good?)
mount /dev/sdb2 /tmp/olddisksdb2 and got mount: you must specify the filesystem type

If I do:
ls /tmp/olddisksdb - I get nothing.
ls /tmp/olddisksdb2 - I get nothing
ls /tmp/olddisksdb1 - I get:

config-2.6.18-128.el5 symvers-2.6.18-128.el5.gz
config-2.6.18-164.9.1.el5 symvers-2.6.18-164.9.1.el5.gz
initrd-2.6.18-164.9.1.el5.img vmlinuz-2.6.18-128.el5
lost+found vmlinuz-2.6.18-164.9.1.el5

This is a CentOS box.

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General :: Recover Data After New Installation ?

Jul 12, 2011

During a new installation of openSuse 11.2, because of a mistake, I lost access to previous partitions.

I was advised to use testdisk/testimage, but of course it didn't work, because my lost data had beeen encrypted.

How can I make linux ask me the previous root password?

I think any program that doesn't ask the previous password, isn't able to recover data. Is it true?

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General :: Ext4 Journalling Mode And Data Losing?

Jan 31, 2011

Can any data be lost on ext4 with full journalling mode when electricity crashes? I know it's possible on filesystems like JFS and XFS because they don't journal data (only metadata). When ext4 in "journal" mode journalles both - data and metadata. Does it give 100% guarantee that no data can ever be lost in case of problems with electricity?

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General :: Windows 7 - Recover ~1TB Data From A Bricked NAS?

Apr 27, 2010

I bought an IcyBox NAS a little while back, and it recently died on me. I have physical access to the disks inside (1.5TB RAID 1 array), and the box was running a version of Linux. I now have the difficulty of retrieving the data from the disks. As best I can tell, the NAS uses software RAID. All I have available are 2 Windows machines, one of which has sufficient free space to hold the data from the NAS. I've booted one of the Windows machines into Linux using a Ubuntu CD, and Ubuntu can see the array drive(s), but cannot mount them.

What would be the quickest and easiest way to retrieve the data from the disks? What data can I collect from Ubuntu (10.10) that will help me pin down why it can't mount the array volume?

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General :: Recover Data From Ext3 Partition?

Dec 30, 2009

A HP Netserver LP2000r, with original SCSI controller and HP NetRaid-2M controller, 3x 36GB Ultra3 HDD in RAID5, Debian (sarge/etch), has crashed after 992 days without reboot. From all that I can see, a hardware failure, most likely with the memory. The HP Diagnostic tools cannot find any problem, but everytime I boot into Knoppix, I get between 2minutes and 2 hours of runtime, and then either a kernel oops or just a complete and sudden halt.

Well, the box has earned its money. However, there is some data on the drives that I need to recover (yes, I have beaten myself up properly about not backing up that data, don't even go there !). There are three partitions: sda1 is /, sda2 is swap and sda3 is a LVM volume with 3 logical volumes on it. As far as I can tell, the hardware defect must have been creeping in and has made a total mess of the inodes in all these partitions.

After booting into Knoppix, I can restore the volumes using pvscan, vgscan, lvscan, vgcfgrestore and vgchange. If I try and mount them: mayhem. So I try and check them, using fsck.ext3. All sorts of interesting nonsense, such as a completely empty inode 11 (the first inode) and then obviously from there on all else is pointless. I tried using debugfs, but the information on what to do with it is somewhat spurious.

P.S.: Tomorrow I will go and get myself a 16GB Flash Drive and then hopefully I will be able to dump the partitions one by one onto that drive and transfer the images onto a different computer for analysis and data recovery.

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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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Ubuntu :: How To Recover From Ext4 Format

Jun 2, 2010

A friend installed Lucid on his system that has three hard drives. For some reason it installed on his secondary, data drive. Now all his files are gone. Is there a utility out there that would enable him to recover any files from this formatted disk?

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General :: Deleted Root Directory - How To Recover System Data

Feb 27, 2010

I have accidentally ended up in deleting my root directory while I blindly fired command while watching movie.

I fired following command
#rm -rf ~/<SPACE>*.out
instead of this command
#rm -rf ~/*.out

Things already done:
1) Created /root directory relogged to get some of basic settings of gnome and Desktop.
2) Things went well now when I login my desktop ,gnome environment and other things looks to be working well only prompt on my terminal has changed. I can fix it any ways.

Things I want to ask:
1) I haven't studied much about contents of /root directory to best of my knowledge is it like other user's home directory with some basic configuration files for mostly required applications. SO my question is have I lost any thing important system file or something?
2) If I have lost any important configuration or system data how can I recover it without reinstalling whole system? (My opinion about this is, It is quite possible but to do so, as far as I know capabilities of linux. But I still want comments from experts before I try any things on it because I don't want to backup my whole HDD and reinstall the whole stuff again for me and also my sister's stuff in MS.)

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General :: Recover Data From Encrypted Partition (created By EXT3 Ubuntu 10.04)?

Oct 11, 2010

I am facing a serious problem.I installed UBUNTU 10.04 and encrypted it during installation. I accidentally erased some of the necessary files from root folder. now the the OS is NOT booting.luckily i still have the encryption key i have some important documents in that drive (desktop folder).

PS: I have tried to run Live Ubuntu it shows the Root, but it does not enter any of the folder.

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Ubuntu :: Recover Ext4 After Wrongly Converting It To Ntfs

Jun 29, 2011

i wanted to change the format of my backup drive from ext4 to ntfs. what i thought would be possible without erasing the data, was simply done by formating the drive. but because this took only 6 sec, i have still hope that my data was not completely destroyed. are there any possibilities that i get my data back? i unmounted the drive afterwards and did not write anything to it.

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Ubuntu :: Troubleshoot Corrupt Ext4 Filesystem?

Apr 16, 2010

am having issues with a corrupted ext4 filesystem. My machine has run flawlessly for weeks, then all of a sudden I am getting messages that I can't access various directories, and on reboot fsck dumps to a command line. So far I have been able to fix the problem by manually running fsck. However, this is the second time that I have run into this problem; the previous time I ended up throwing out my hard drive and doing a clean install.I am running a clean install of Karmic Koala, software RAID, 4 Gb RAM, two 500 Gb Western Digital SATA drives, with an Intel E7200 2.53 Ghz dual core processor.Among other applications, I run VMware 7.0 for the occasional task for which I need a Windows program.

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Ubuntu :: Filesystem Ext2 - Ext3 And Ext4 ?

Apr 30, 2010

I run an upgrade and an update on a lucid lynx beta 2. --- got no problems. but about the filesystems i have some questions because it seems for me that at every system boot the system will run an fsck. somtimes it's shown up, somtimes not. but in /var/log/messages and in syslog

I have always following messages ( occured in beta 2 too ).

But first before i continue - here my disk layout:

And here my filesystem types:

This is my problem because those values are seems to be static ! ( note: this partiton is mounted but not in use ) and last not least: the drive is an external usb scsi disk. but on the other side lucid lynx is running fine on my box.

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Ubuntu :: Btrfs Filesystem Identified As Ext4?

Jul 24, 2010

During the installation of Ubuntu 10.04 the partitioner was wrongfully configured to see a functioning btrfs partition as ext4 (without reformatting it). Thus the installation process got stuck at 5%.Installer was run again ignoring the btrfs partition.btrfs-tools was added to the new 10.04, but the btrfs partition is now recognized ast4 with lost+found folder on it.Tried to add the btrfs to etc/fstab as btrfs but t won't mount.Can the partition/filesystem type be changed so that this is actually recognized and mounted as btrfs, hoping my data is still on it somehow?

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Ubuntu :: Ext4 Filesystem Driver For Windows?

Aug 20, 2010

Is there an Ext4 filesystem driver for windows?

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Ubuntu :: Ext4 Partition's Filesystem Is Unkown?

Oct 5, 2010

I have recently updated my ubuntu 9.10 install to 10.04. And with that I've tried to install snow leopard on my computer so i can dual boot between them.the install was successful, but grub2 (that worked fine) wouldn't see the OS X install on its own partition. so i tried reinstalling it, like you do after you install windows and it would remove grub as the bootloader.That didn't work and i got a lot of messages that it wouldnt work because my partitioning (or something like that) is GPT. by the end of it i didn't have grub installed at all!so i started playing around with GParted, and while doing that i also put a bios_grub flag on my main ubuntu install partition, thinking that it would force grub to load from that partition. But that just gave me the GRUB Rescue prompt when trying to boot.

So i unchecked the bios_grub flag. and now it doesn't boot to anywhere and when inserting the ubuntu live cd i cant even see the ubuntu ext4 partition and mount it.Gparted says that its a partition that its File System is undetectable and unknown.Is there any solution that will allow me just to mount that partition and copy files from it? (unfortunatelly my backups are a little older than i would like them to be)Heres what boot info script gives me: (the partition that i need is sda1)

Boot Info Script 0.55 dated February 15th, 2010
============================= Boot Info Summary: ==============================


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