Ubuntu :: DD And Cloning External Harddrives Of Different Sizes?
Feb 17, 2010
In the past, I have used dd to replace (as well as overwrite) hard drives.
If you do a direct clone of a drive, you are supposed to make sure the target drive is the same size as the source drive.
It is quite important that I am able to clone a failing drive (250GB), however, my only other drive available is a completely new 1TB external hard drive from a different manufacturer.
Is it still possible for me to safely clone the failing drive? If yes, how would I go about doing this? Make a 250GB partition on the 1TB drive?
If I use the TB drive as a "temporary backup", and once I have copied over with dd burn everything directly to DVDs, and then restore the TB drive to it's original state, will this be able to be done?
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Jan 9, 2010
I am trying to accomplish the simple task of renaming my harddrives on Ubuntu, but the developers of Ubuntu decided that they didn't want anyone to have the ability of accomplishing such a simple task in an easy way!
I have been trying to get Gparted to work so I can rename my harddrives, but it doesn't want to work. (What a surprise!) So I decided it might be easier to simply install virtualbox and rename the harddrives through the virtual Windows system. The only problem is that Virtualbox won't recognize the harddrives, so I can't bloody well rename them!
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Nov 2, 2010
I have a pc I want to clone and it has 2 partitions sda1 which is vfat and sda2 ntfs. When I had mounted my external hdd it was seen as sdc1 and my Knoppix boot as sdb1. I tried using the following command to copy the pc image to my external but when it gets to 26Gb it gives read error.
mkdir -p mybackup
mount -t ntfs -o rw /dev/sdc1 ./mybackup
dd if=/dev/sda of=./mybackup/780.iso bs=4096 conv=notrunc,noerror
Where am I going wrong? Is there anything wrong with my above commands?
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Apr 18, 2011
Is there anyway to dualboot with two harddrives. For example, have windows 7 professional on one and ubuntu 10.10 on the other and use the grub boot menu and also encrypt the harddrives?
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May 13, 2010
I got Lucid Lynx and i want to partition the drive into two harddrives when i install, like with windows i would have my harddrive made into C and D and i would have windows on the C and all my movies and stuff on D. I saw some things about making the rest of your space to store files in the /home files but i when i log into ubuntu after installing it shows the /home folder inside the disk. I dont know if it makes sense but, i was wondering if u can have it the way windows does it so it looks like two harddives and which options to select when i'm paraitioning. i really want to change over to ubuntu i just wanna work this out first cause i dont know so much yet haha.
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Jul 8, 2011
Does anyone know how to delete that virtual CD thing that is built into WD harddrives? Nothing I've tried works and I can't find anything about it online. If it can't be deleted, can it at least be disabled so that I don't have to look at the cd icon every time I plug in the hd?
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Feb 1, 2010
i Have two Hard-drives a WD 500Gb Sata with windows 7 installed and an IDE Maxtor 40Gb mounted as slave .I want Ubuntu to be installed on the Maxtor.I usually used to choose grub to be installed on the MBR of the first one , but that meant that every time i needed to reinstall windows or Ubuntu i Would loose both of them, how to do so, without effecting the boot loader of the windows but still capable of booting both.Story made short, if i disconnect any of the hard drives i would still be capable of booting into the other.
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Oct 13, 2010
I have two harddrives. I will install on the first one ubuntu and on the other one opensuse or I will even put them together. I dont know yet.
Has somebody experiences with booting two harddrives, how can I choose between them? And when I delete one with gparted, will the free memory be automatically placed to the not deleted harddrive?
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Mar 17, 2011
is it possible with mount to do the same as RAID X to make all my wisht harddrives combine into a single folder so i dont run outa space on 1 but on all 3 when theres no more space
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Mar 20, 2011
I'm trying to use a SiI 3132 Card - Two 2TB harddrives are attached to it. If I run badblocks over one of them, it crashes at about 1/3 and the harddrives are unuseable (until the next reboot)
[Code]....
how I can fix this or how I can investigate this issue further? The harddrives are okay, they work as expected with the board's sata ports.
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Apr 25, 2011
I've been trying to install Fedora to my new computer. However the thing is that Fedora can not find my hard drive it's as if I don't have any. They are not even under /dev/ . So I assumed that Fedora was at the wrong here and tried to install OpenSuse. However OpenSuse had the same problem. No existing drives!! I tried starting the kernel with no AHCI but didn't work.
My BIOS settings for my storage devices are :Sata Connection type IDE / EnchancedMy hardware is : Processor(Intel Core i7 960 Processor (4x 3.20GHz/8MB L3 Cache)
Motherboard(ASUS Sabertooth X58)
Memory(6 GB [2 GB X3] DDR3-1333
Video Card(ATI Radeon HD 5450 - 1GB)
[Code].....
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Mar 19, 2010
I am currently in process of remodeling my home file server and would like some advice. The server has two internal hard drives that are rather small (10-15G) and I've now ordered a larger 2 TB drive which for the time being will have to run as an external drive through USB 1 (going to be rather slow).
I'm probably going to put the OS and swap on one of the internal drives but I was wondering if there was a good option for increasing the system's performance by making the second internal drive act as a kind of buffer for the 2TB usb drive. I'd like both the advantages of the large size of the USB drive and the fast read/write speed of the internal drive. Would it be possible to put it together so all reads and writes to the fileserver would first go to the fast internal drive (or even better, to internal drive and USB drive at once, although I suppose RAID is not an option with USB attached storage), and would then be put to the large drive. It would also be nice if the most used files from the large USB drive would be cached on the internal drive for fast read speed. I understood that ZFS would help me accomplish something the like but as I understand, it's not that easily available on Linux.
The current plan is to make the large drive a simple XFS drive and build a small daemon on the server that would simply move all new files from the internal drive to the USB one, once they are not used but it would be nice to have a more low level solution.
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Aug 13, 2010
I currently have a dual boot on my 160gb hdd, but even that feels cramped. i was wondering...I have a spare 40gb harddrive compatible with my laptop. could I just install the windows 7 installation there?
assumably i'd swap in the appropriate windows 7 hdd whenever i'd want to load windows 7 at Grub.
what do you guys think?
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Apr 26, 2010
I'm downloading the iso images for 9.10 Alternate CD. As the desktop does not work, graphical. For whatever reason even once it starts to boot live (With no direct install) it says in the "boot terminal" (non-graphical, full screen) as I call it "Authentication Failure even bEFORE the actual program is loaded. Asks me for username / password which does not exist, etc. I'm sick of windows. I used Ubuntu for about a week and fell in love.
Windows is poppy-cosh, compared to the speed, performance, customization, updates, few errors and bugs, everything is superb! I already converted my fiance and best friend to using the OS in Dual-Boot I'll be an avid supporter and do even more using my media company to help promote xD What's the point? Wine allows me to use all the programs I need that require windows, regardless.. You have converted me. "If you build it, they will come." Amazing job.
I tried re-installing windows and to no-evail for whatever reason screwed up my entire re-installation of Ubuntu. Instead of saying Owner it says Administrator for the new install. Here's my list:
1.) I need to completely wipe out all partitions and start over with a "fresh" HDD. Any ideas how to do so without an OS? It was suggested on wiki answers to use BootDisk.com
2.) I have the torrent downloading which is 689.6MB [URL] and the normal ISO which is 690MB [URL] from two different Ubuntu.com pages...Which do I use? Why are they two different file sizes? I assume the larger file size is the best to use. This has happened when downloading the Desktop CD as well. The lesser file never worked properly. Do you guys have incomplete files on the server or something or perhaps just my hardware?
3.) Use alternate installer to have Ubuntu as the ONLY OS. Alternate Option: Put Ubuntu alternate cd installer onto my external HDD by Seagate and boot up to it, then install ubuntu...
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Dec 5, 2010
As a recent migrant to Ubuntu from Windows, I was expecting to be able to compare the sizes of two folders or set of folders by Bytes (as in windows). I'm slightly OCD when it comes to my personal files and folders, and I like to maintain identical backups in various pen-drives; as such, I was hoping to be able to track the file sizes of each folder set, but I can only do so in Kilobytes... Is there any application or other means by which to compare sizes in bytes --as is the case in windows?..
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Mar 23, 2010
I need a command to list the total sizes for all the directories in a mounted drive.I tried df and du.df list the total size for the mounted drivedu depending on what option I give it either list the total size or list all the sizes for every file on the drive.All I want to know is the sizes of all the directories on the mounted drive.This is a windows vista hard-drive and for some reason ubuntu is reporting a 50 GB partition and only 10GB free, I want to know what's taking up all the free space. I can't find anything in the file browser, so far I've only managed to count up about 10GB of used space so where is the other 30GB.
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Aug 31, 2010
The "[SOLVED]" attribute to the How to set defaulter size in RHEL5 thread notwithstanding, the problem really is not solved. I've set my default language to both "C" and to "EN-us" and the problem is that absolutely every single time I print, I have to meander through varying layout print menus to find the "A4" setting and change it to "letter". That, or sacrifice the last two lines on every page because the default size is larger than the actual size. Bad default. It is not unique to Red Hat/CentOS, of course. Same problem exists on Debian and SuSE, too. Why is this such an intractable issue? Why is there not some simple and obvious way to say, "squish all instances of A4 (or "letter") and replace with "letter" (or "A4")!"?
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Jul 6, 2010
I have a few partitions on my hard-drive, one for Ubuntu, one for Windows 7 and another for general data storage. When I installed Ubuntu, I was presented with a GUI which allowed me to easily reassign storage space from the latter two to create the former. Is there any way to get to something similar, from which I can adjust the proportions of the partition sizes, without affecting their content?
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Oct 14, 2010
I had to install Ubuntu 10.10 5 times before the boot problem was fixed, but only now to find that the Nvidia GE Force 3 Ti200 video card is NOT supported by the current Nvidia drivers and the legacy Nvidia 96 video drivers has a known bug which may never get fixed.Currently I am running the 1024 x 768 screen size under Nouveau, but how can I change this to 1920x1080 ? Will creating an xorg.conf file work?I did have the GE Force 3 supporting the new 1920x1080p monitors under VGA mode and the screen looked fantastic in the past.
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Mar 28, 2010
I was wondering how can I clone old hdd to new hdd directly. Is this right procedure?
sda is new hdd
sdb is old hdd
Code:
sudo sfdisk /dev/sda < sudo sfdisk -d /dev/sdb
cloning ntfs partitions.(X are ntfs partitions)
Code:
sudo ntfsclone --overwrite /dev/sdaX /dev/sdbX
cloning other partitions.
Code:
sudo dd if=/dev/sdbX of=/dev/sdaX bs=8MB
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Aug 10, 2010
I had to change my disc for a bigger one, and i want to transfer all my dataconfigurations, etc to a partition in another disk, a simple ctrl C, ctrl V will do or theres a specific tool that i need? I dont want to download all the updates, programs and go through the hassle of reconfiguring everyhtingmy new disk have windows 7 and i installed a fresh ubuntu on it but i want it to be a clone of my old onePS: i just notice now that grub no longer recognize both win7, the old and the new. What's wrong?
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Feb 12, 2010
We talk about 12pt, 14pt font sizes. Do those numbers represent physical size in some unit or number of pixels? I guess it is the former, because same font size looks different for different DPI values, but in what unit? Also a relevant question: does browsers like firefox and chromium use different system of font sizes, because to get the same physical size, I alwasy need to set larger values in firefox than in other applications. Setting dpi and resolution values using about:config has no effect.
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Jan 27, 2010
I am way new to Linux and am getting thrown into the deep end. My company is rolling out a Linux environment to support an application we are using. We are using RHEL for the OS. Does anyone have any recommendations for partition sizes?From what I can tell that appears to be the default values if you do a 'wife install' (yes, yes, yes, yes, yes) on RHEL.
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Oct 19, 2010
I just ordered a 60 G SSD drive which I am going to use as my OS drive to replace the drive below. Can I just use DD to switch ?
dd if=/dev/sda of=/dev/sdb (New Drive)
Disk /dev/sda: 750.2 GB, 750156374016 bytes
255 heads, 63 sectors/track, 91201 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x000a1a0c
Device Boot Start End Blocks Id System
/dev/sda1 * 1 89723 720693248 83 Linux
/dev/sda2 89723 91202 11878401 5 Extended
/dev/sda5 89723 91202 11878400 82 Linux swap / Solaris
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May 29, 2010
I plan on installing Ubuntu 10.04 and it will be my first Ubuntu install. I plan on dual booting with windows 7 and I would like advice on partition sizes. I have a 250 GiB drive and my planned partitions are as follows.
Sda1 (PQSERVICE) 12GiB This was pre-installed should I delete it
Sda 2 (System Reserved) 100MiB This was also pre-installed should I delete it
I know one of the above is the windows recovery partition but I don't know which one
Sda 3 (Gateway) 25 GiB This will contain windows will 25 GiB be enough
Extended partition
Logical 1 10 GiB / the main Ubuntu partition 10 GiB should be enough
Logical 2 1 GiB /home this will just hold settings so 1 GiB will be enough right?
Both above partitions are ext3
Logical 3 3 GiB swap partition I have 1 gig ram upgradeable to two
Logical 4 180 Gib shared NTFS partition
I am new to Ubuntu and would like to know if you think this is proper. I have already defragmented the hard drive and will make the partitions in Gparted on Ubuntu live test from usb drive.
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Feb 28, 2011
Anyone know how to change the icon sizes in Gnome's Application Browser or Control Center?
It seems mine used to be larger but now they are quite small. I looked in gconf editor but I didn't find anyhing.
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Apr 26, 2010
We are giving away 20+ machines to 3rd world county and I was asked from the receiving party to install linux on them. What I don't want is to pop a cd into all of them and do the manually install.
I'm thinking of installing one computer the old fashion way and do the OEM-configuration on it afterwards. It would be nice to just clone the hard drives since the computer is identical right down to the hard drive.
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Nov 1, 2010
I am trying to clone my internal drive on my laptop using the dd command after starting up my computer using the 10.10 installer CD. Nothing happens when I follow the instructions from this site: [URL] When I follow these instructions, it doesn't work. I know that I am not being specific here but all I can say is that nothing happens. What am I doing wrong. My internal drive is 250GB and the partition I created on my DOS formatted external drive is 250GB as well.
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Apr 13, 2011
have a binary image that I can copy to a partition and have done so successfully in the past. The image is smaller than the partition size, and everything is all good. However, I noticed that in copying the 5 gb image to the 9 gb partition there are 4 gb that are unnoticed by the system. It still registers the partition at the correct size in Gparted and Disk Utility.
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Apr 18, 2011
I've spent the better part of an afternoon looking for a solution to a problem: backing up my installation of 10.10 as an image file to an external hard drive. My research has yielded a lot of suggestions for clonezilla, dd, and partimage/particlone, but those don't seem very appealing, due to a number of issues (can't backup live, copies free space as well, doesn't handle ext4, etc). Also why is clonezilla 150mb?
I'd like a simple solution that can clone an entire disk (used space only) to an explorable image file on a separate hard drive and be able to do it while the operating system is running on the disk. I used to use apricorn ez gig to do this on windows and it worked like a charm, but I can't seem to find a similar solution that creates and explorable .iso image file with linux. I've used superduer on osx, which is awesome and i wish there was something like that for ubuntu/linux.
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