Red Hat / Fedora :: Retrieve Data From Hard Disk After Installation On The System?
Aug 17, 2009
I have never used Linux before and know nothing about it . But my cousin installed a Fedoro linux CD on my laptop which previously had Lotus symphony . Unfortunately my laptop had single partition and so Linux overrode the old OS ,ie lotus symphony .
I have some critical data on my hard disk but I have no clue how to take backup this data using Linux . I desparately need this data .
Could somebody let me know how I can access this data and take the backup ?
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Sep 29, 2010
I have 2 hard disks and all together I created 6 partion in it.On primary I installed Windows XP and REST 5 partions were having data.From Second hard disk ,I copied all the first partion data to another partions and installed Red Hat 7.It took only 3 GB all togethr for Linux Distribution.Now I need to fetch my Windows data back.I logged from the Windows XP disk and I could see the second disk through disk managemnt .But it was showing "Unhelathy".But I will not be able to retrive the data.So can Anyone give soln for this.
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May 28, 2010
I should have seen this coming when I lost the ability to boot windows, or mount that drive from ubuntu. But now I think my hard drive has failed. Is there any way to retrieve the data from the hard drive, or my settings and the like for ubuntu? I'm at a loss for what to do as i'm booting from a CD right now =X.
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Mar 24, 2011
I have a friend that has a computer running UBUNTU he has not used in a while and has forgotten the user name and password for it. Is there away to retrieve the data from this hard drive?
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Jul 8, 2011
Is there a way? My computer has a newer, narrow-plug hard-drive. Not Linux specific, I know, but I'm in a bind.
EDIT: Picked up an I/O Magic 2.5 inch IDE/SATA enclosure.
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Jul 1, 2010
When we copy a sector to a file like using dd command, the data in the file is of which format? and of which type of conversion is nesessary to see the data in read able formate. i have tryed the ASCII conversion in dd command but still the data is in un-readable format. and also tell that if i access hard disk sector's data using c language program and copy data to a file then which type of conversion should i do ?
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Sep 29, 2010
My primary drive is 250GB and has the root, home and var (I'd read it's good to put var on a separate partition for MythTV which I'm planning on doing) on separate partitions. I have a second 1TB drive that I'll be using to backup the 250GB drive and also host less critical data. I've created two partitions on this drive, one 250GB and the other covering the rest of the drive. I'd like to move the Videos directory out of Home on the 250GB onto the 1TB drive but can't find a definitive way of doing this. Should I just follow this guide for moving the home folder to a new partition? Next question is when performing a backup of the 250GB drive how do I make sure it's going to the 250GB partition on the 1TB drive? Can the different partitions be mounted separately?
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Jul 1, 2010
I am student of MCS and working on final project. I am the user of windows xp. I am new in Linux. I am working on a project that titles "Hard disk data Recovery of ext2 and ext3 in linux". In windows, including dos.h and bios.h header files in program of c language I can send interrupt to bios and access most of the devices like parallel port, hard disks etc. But problem is that there is no bios.h and dos.h files in gcc. Now how can I access my hard drive using c program. How can I call int13h interrupt in linux or there is any other function in the linux to access the hard disk. In fact I want to access sectors of my hard disk using c language program. How can I do it?
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Oct 11, 2010
Last time I installed Ubuntu in a dualboot configuration with Win7 on one of my machines, my entire boot sector and Windows install got corrupted, resulting in a complete loss of all my data and requiring a fresh install of Windows.
I looked into this a bit after the fact, and it seemed to me it was due to conflicting hard disk geometry between Linux and Windows.
My question is, how likely is this to happen with Fedora? Is this because of Ubuntu? A bad install? Is there someway I can avoid this from happening when I install Fedora if it will happen?
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Aug 23, 2010
My son's laptop with Ubuntu on went belly up, so before we dumped it I salvaged the hard disk.....now some weeks later he remembers there is some things he wants on the disk. Luckily I had done nothing with it ....have just connected the disk to my system I can see everything above(should that be below) home but not anything in his account. Any bright ideas for getting at his data is there a way of mass changing permissions or whatever?
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Sep 1, 2009
Copy of IBM Server hard disk data to Another USB External Hard disk?
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May 8, 2011
I have been frustrated attempting to get Grub2 to boot a Debian Live system from hard disk. Have set aside a 4gb partition /dev/sda1 to contain the Debian Live and some other recovery tools. I actually have them all working from a 4gb USB stick successfully, but getting it to work on my HDD has proved challenging. On USB, I have PartedMagic, Gparted, Grml, and of course my standard 6.01 Squeeze. I have also managed to get the Debian Live booting from that USB stick. Very slick.
However, I can NOT get Debian Live to boot from my HDD; altho all of the others above boot fine. Have tried it two ways - one using an iSO image, which is how it is done on my USB stick. The other attempt is to copy the entire contents of the ISO to a directory.
Here are my directory structures:
debian_live_gnome_squeeze_i386- contains the following: debian-live-6.0.1-i386-gnome-desktop.iso initrd.gz initrd.img vmlinuz which is how it is laid out on my USB stick debian_live - contains the files from the ISO image The error I get is something like "panic unable to find live filesystem" My grub.cfg snippet for the two methods I have tried - the 2nd menuentry is similar to how it works on the USB stick.
menuentry "Debian 6.01 Live (on /dev/sda1)" {
insmod part_msdos
insmod ext2
set root=(hd0,msdos1)
[code]....
Probly don't really need to get it working since PartedMagic can do almost everything I need for recovery and I can use the USB for reinstall or whatever else.
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Sep 23, 2010
I want to copy hard disk have ubuntu 10.04 and ext4 to 1000 hard disk for new 1000
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Dec 6, 2010
As a thin clint mode is possible on ubuntu ? like windows clint system login on to the server without hard disk...
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Jan 13, 2011
This is a good way to backup my current system:
How to backup your system to restore your server incase the hard disk is damaged.
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May 30, 2011
I was dual booting Ubuntu 8.10 and Windows Vista on a Acer Aspire 5920. My laptop went for service and the company said they will give me a fresh laptop instead of the one I am using now for they cannot set it right.
When I plugged in my hard disk through an external cable onto a windows machine it detected only the data present (which is almost negligible in my case) in the vista partition. I would like to transfer all the data I have from hard disk at least the one in the Ubuntu 8.10 to my new laptop on which I plan to run Ubuntu. Can someone guide me on how to go about doing it? Also is it possible to transfer all the installed softwares so that they start running in the new laptop without any extra effort?
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Aug 9, 2010
Risk to native OS from Live CD?
when booted from linux live cd, all partitions of hard disk become accessible without any restriction. How to block this?
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Apr 30, 2011
My hard disk is failing and I amnot able to boot into the system! Currently I have logged into the system uing Live CD! Any way to compress and back up the data in my hard disk in an efficient way!
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Jul 16, 2010
I learned a couple of days ago why you should do regular backups. Left my laptop working for the day in hot weather. When I came back it had crashed. On reboot it no longer booted up. I could still access the BIOS and boot from alternative media but not from the hard drive. The laptop tried to access the hard disk for a couple of minutes (hard drive light was blinking) and then failed. I made an ubuntu live usb stick and am currently working from there, trying to access my hard drive so I could image my data on another disk before sending the laptop for repairs. All my data is on that disk including my passwords and the password for this site conveniently so I had to register a new account to post this thread.
The laptop is IBM Thinkpad X41. The hard drive is accessed during when boot options are presented, again when the live cd boots up and determines the hardware available and also when manually probing for hard disks using the script below. The hard disk however does not show up in dev. If I could get so far to get it there, I could use dd_rescue to image it away. My hope lies in that the drive still spins up and is accessed producing error messages, however indicating that the system still knows it exists. Excerpt from dmesg concerning the drive:
[Code].....
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Jan 26, 2010
Is it possible to mount a 2nd hard disk without erasing the data that is already on it? If so, what command must I enter. The system recognizes that the disk is there, I just can't access the data because it hasn't been mounted.
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Oct 5, 2010
(Logger pro is an app to retrieve data from scientific calculators/ instruments) I've always wanted to ask this question so here it goes... Has anyone gotten Logger pro (Linux beta) to work w/ Fedora? I have tried alien the two .deb packages to .rpm's so it becomes installable.. The installation seems fine, But the app doesn't run (I think it was like segmentation fault or something... I don't remember) anyways.. this is not absolutely important. I'm just wondering if this may be a problem w/ my install.
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Mar 16, 2011
I have a directory /var/log/data its about 80 GB,It filling up quit rapidly.I don't have much space left in the system them So i will attaching another External HDD.My question is that i need to mount /var/log/data to new HDD.So i have old data and pulse new coming up.I don't want to copy data from /var/log/data then mount new HDD to /var/log/data you know what i am taking about is there a simple way like linking or any other.
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Dec 19, 2010
How to scan and fix Bad Sectors on Hard Disk without damaging data?
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Jun 28, 2010
I am using an embedded platform in which I have connected an external harddisk (/dev/sda). The SCSI driver is present and I am using the SG_IO interface for performing the SMART commands with the Hard Disk. (Unfortunately not all the HDIO ioclts are present. So I opted for the SG_IO ioctl). But the data transfer (reading/write data from/to sector) is not working with the SG_IO ioctls. So I searched for some other options. Later in one of the places, I found that we can actually mount the /dev/sda to some mount point in /mnt and then make a XFS file system (mkfs.xfs) of this.
And then we can create the directories and do file operations on this mounted directory. Here the simple read/write systems calls can be used for this. I was thinking about this implementation. But I am confused how I can map the actual LBA (Logical Block Address) to the device file offset. I mean if I want to write to the sector 5, there will be a LBA for it. So I can do lseek on my device and then write the data there. So how the mapping between LBA and device file offset can be calculated.
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Jul 2, 2010
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Mar 24, 2011
I have installed fedora 14 xfce.
However, I want to totally format the hard disk so I have no operating systems left on there.
I have created a usb boot disk for installing windows.
So I want to re-format the whole hard disk. Then boot up with the usb and install windows. Once I have done that. Then use the rest of the hard disk to install Fedora 14 from my other usb.
However, I am not sure how to completely format the hard disk. I want to start from a clean disk.
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May 2, 2011
Can I install fedora 14 and Cent OS5.4 on i3. ? I have fedora 14 and Cent OS 5.4 install on core 2 duo. Can I insert the same hard disk to i3 pc, will the previous os will boot ? or will I have to format and load the fresh one ?
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Jul 22, 2011
So the first 10Gb of a 450GB NTFS partition have just accidently been written over with an Ext4 filesystem that spans the entire partition instead. all foolishness asside, what can be repaired. Now I know Ext4 likes to jot bits of meta-data down (inodes blocks) along the way, and this can be about 5% of drive capacity, that said, there's alot of small text files and stuff, coe files so forth that can surely be recovered
I've looked into magicrescue and testdisk, but they fall into the only two groups to exist:
1) Filesystem independent, that is search almost like a patern - well exactly like a pattern match, to find the header and footer of files.
2) Filesystem recovery tools, like, damaged bootsector, so forth
I need one, that will be able to extract files, Iunderstand this will be a hard task, but.... text files; surely that'll be easy, anyway. This is my backup drive, they''re both WD you see, anyway. This is important, given the coding is ASCII surely.
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Oct 10, 2009
How to install either Fedora 11 or 12 from the hard disk of this old ragged laptop? USB or CD installation are not an option, and since the documentation keeps crashing and I stagger saliently in the messy script that is hid behind the windows interface runtime gimmick, I would like to know which switches would make the rebooting operation take to reckognizing the linux package?
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Mar 12, 2009
As I have no blank cds handy right now, I had to go the way descirbed here:URL...But when I seect my partition and / (no sub dirs, an empty ext3 formated 6.8GB partition, exclusivly for that usage) it tells me there ws no installation media found and the search path got automagically adjusted to /imges/image.img.And ideas howto fix that? Or how to install fedora from harddisk (without big fuss)?
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