Using UNIX DD to recover data on damaged drive

My internal drive failed. I attempted to recover the data using Prosoft's Data Rescue II, but the program repeatedly crashed while trying to scan the drive. No love from Techtools, either. I tried creating a disk image with Disk Utility, but got an I/O error. (My drive is almost certainly suffering from bad blocks in bad places,)
I've found references to a Unix program, DD, that is said to be a way of creating a disk image bit-by-bit and ignoring the bad data.
Trouble is, I don't do UNIX. So:
A. Is there some version of this, some GUI, or other wrapper that would allow a knucklehead with my limited skills to configure and run DD?
B. Can someone walk me thru it, in a better way than I have seen, say, on macoshints?
C. If I were to actually be able to create such an image, what are my chances of getting it to mount and being able to recover at least some files?
My data will be forever grateful for any help you can provide.
12" PB G4 1.33, 1 meg, 80gig Mac OS X (10.4.7)

The following links may help you:
http://www.crazytrain.com/dd.html
http://www.macosxhints.com/article.php?story=20031225124417353
http://www.tldp.org/LDP/GNU-Linux-Tools-Summary/html/duplicating-disks.html
Mihalis.

Similar Messages

  • How do I restore old emails from recovered data after hard drive crash?

    Hi all - I used data rescue II to recover data from a crashed hard drive - seems to have worked pretty well, as the file structure seems to be mostly intact - now I'm trying to find the old emails and get them back in my inbox/sent mailboxes where they belong - any help is surely appreciated - thanks

    Hi Tommybanjo.
    Mail stores the messages in .emlx files, but you cannot import individual messages directly, only entire mailboxes. In order to import the recovered .emlx files back into Mail, they must be organized as if they were in an .mbox mailbox, i.e. they must be in a Messages folder within an .mbox folder. You may create a folder called Recovered.mbox, then a Messages folder within this folder, then put the .emlx files within the Messages folder, then import that.
    In Mail, do File > Import Mailboxes, choose Mail for Mac OS X as the data format, and follow the instructions. Note that Mail wants you to select the folder that contains the mailboxes to be imported (i.e. the folder where the .mbox folders to be imported reside), not the .mbox folders themselves nor the Messages folders within them.
    Given the circumstances, however, there could be something wrong with one or more of the recovered messages and that might cause the import to fail. If that’s the case, you may try organizing the recovered messages in several smaller mailboxes and try to identify the messages that Mail has trouble with. Alternatively, you may try using emlx to mbox Converter or Emailchemy to convert the .emlx files to standard mbox format, then import that in Mail as Other.

  • Use Time Machine for transferring data to new drive

    2008 pre-unibody 17" 250GB MacBook Pro4,1 - 2GB RAM, 10.6.8, 2.5ghz
    How can I use Time Machine to transfer data to hybrid 1TB Seagate SSD?

    Hi V.K., was just reading your instructions for jumper25 about transferring all info to a new HD and had a question. I am in the same situation where i have bought a new 320Gb to replace the OEM 120Gb in my MBP. Everything is very straight forward from what you have posted but i only have the original Tiger 10.4.9 install DVD and I am running Leopard 10.5.5. Will I be able to use my Tiger install disk and then use my TM back up even though it Leopard? Or will I need a Leopard install disk to complete? Also is there another way around this problem if i can not use the Tiger disk such as mirroring the 120Gb disk on to my 320Gb?
    Thanks in advance for your time and expertise.
    P.

  • How to recover data from failed drive that's part of mirrored raid

    Hi Guys,
    hope to get help from someone knowledgeable out there. I have a macpro and recently experienced a failed drive. I set up that failed drive as part of a mirrored raid, this set is not my primary drive and so my computer is stilling up and running but now am wondering how I access the data from the mirrored drive. Should the mirrored drive automatically mount on my desktop whereby I would be able to access the files? This is my first drive failure and I was under the impression having a mirror would duplicate my data and allow me to access it in situations like this. I'm a bit of novice in this area and not sure if the data is truly on the "mirror" or if there are things I need to do.
    I launched disk utility and was able to see the mirrored drive and I selected "mount" drive but it would not mount; I then selected "verify" and got "unrecognizeable filesystem" Is this normal? Am I suppose do something to get access to the mirrored drive? Do I install a new drive in place of the failed drive and expect the raid to rebuild automatically whereby I then see the data?
    Your help is much appreciated.

    Even with a mirror, you still need a backup.
    Along with Disk Utility, you still need 3rd party (TechTool Pro 5, Disk Warrior 4.1.1+).
    And if you like to use RAID and esp mirror RAID, consider
    http://www.softraid.com which is a step above (the pdf guide, manual you can download and they have a demo, so worth the read). SoftRAID can also import/convert an Apple RAID to its own format which has been known to recover drives and data.

  • How to recover data from hard drive?

    All my data was saved in an external hard drive and it got deleted, don't know how. Is there a data recovery program that you recommend me?

    Try using one of those listed here. Don't write anything else to the drive until the files are recovered or you choose not to recover them.
    (105479)

  • How to move from a "recovered data external hard drive" to the new Computer?

    Computer 1's hard drive crash and all programs and data were recovered professionally and sent to me on an External Hard Drive.  Computer 1 was on Windows 7.  I can fun the program off of the External Hard drive fine, when connected to my my new Computer.  I click on the .exe file and it pulls up the catalogue as it should.  All off of the recovery drive.
    The new Computer, is on Windows 8.1.  How do I get the Adobe Catalogues moved/copied to the new Computer?  
    I redownload Adobe 10 onto my new 8.1 Computer from the Adobe website.  Using the new download, I was able to open the Catalogue on the External Drive (F).  Cannot find a way to "relocate" the Catalogue to the new computer.  The pictures have already been copied to the new computer.
    Please help!!!!!   Desperate not to lose the organization (tagging/dating) etc in 30,000 pictures+.
    Kay

    Before we can give a solution, we need more information and we must be clear about the details of the recovery.
    From your post, I assume that the external drive contains a copy of your picture files, with probably exactly the same folder path. I think that that path is identical in Win7 and Win8 (it was not in XP).
    You have reinstalled Photoshop Elements 10 in your new computer.
    So the main point is : what about your old catalogs ? It's quite possible that the professional recovery has also made a copy of those.
    You'll have to search the external drive for one or several folders containing a 'catalog.pse10db' file.
    If you find one or several, select the newest in date (or the biggest), the folder containing it is the catalog you are looking for.
    If you don't find one, be sure that the explorer is set to show hidden files. Without catalogs, you can't restore your organization
    Now, when you have found the catalog (the folder), you can do this test. With PSE and Organizer closed, double click on the 'catalog.pse10db' file. That should open the organizer with the catalog. Since the files are not in the same location as before, all links in the catalog will be wrong : different drive identification and perhaps different folder structure. That test should show you the thumbnails (the catalog cache in the folder should have been recovered; if not it's not that important, the thumbnails cache will be recreated automatically).
    Now, how to 'reconnect' all files, that depends on what you want to do: keep them in the external drive or copy them back to the main internal drive. The problem will be either to update the catalog database to point to the new location or to recreate the same drive identification as before : letter and drive serial number, exactly same folder tree. We can discuss those options when you have made the first test.
    If that goes well, don't worry about the location of the catalog : you can move it either from the catalog manager or manually.

  • Recovering data from hard drive

    I have a satellite A205 and I need to run the recovery disk and reinstall the operating system because I get an error message every time I try to start the computer.  Since I can't get the computer started, is there an easy way to access the hard drive with another computer to get the data that I don't want erased?  Or is this a job I should take to a professional?

    danielcooper9 wrote:
    I have a satellite A205 and I need to run the recovery disk and reinstall the operating system because I get an error message every time I try to start the computer.  Since I can't get the computer started, is there an easy way to access the hard drive with another computer to get the data that I don't want erased?  Or is this a job I should take to a professional?
    If you are capable of removing the hard drive, you can use an external enclosure or cable adapter to connect the drive to another computer and copy the data. 

  • Time Machine to recover data on a drive you have to...

    Hi,
    Quick question.
    I was reading about recovering a drive that had been backuped using Time Machine, Time Machine won't make a drive bootable, so you have to go another way.
    On point 5 of the link below it says "Insert your Mac OS X Install disk, and double-click the Install Mac OS X icon."
    http://http://docs.info.apple.com/article.html?path=Mac/10.5/en/15638.html
    Does this mean your most recent OSX disk (in my case Snow Leopard), or the one that came with your Mac (Tiger)?

    Hy !
    It is meaned if your Mac is running.
    Normally ... boot from the SL DVD and choose restore from a Time Machine backup from the utilities menu.
    C.M.

  • My PC with iTunes on it got fried (lightning).  I have a 2nd PC with iTunes on it.  How can I move my devices to that iTunes (I have recovered data from the drive)

    I had a primary PC that had iTunes on it that got fried by lightning strike a few months ago.  I have several devices (1 iPod, 1 iPad, 3 iPhones) that were synched with that iTunes install.  I had a secondary PC with a separate iTunes installation on it (separate music library.)  I recovered the hard drive so I can move the music to the secondary PC, but how can I sync my devices with that 2nd installation of iTunes without losing all of the information on those devices?  (I haven't saved or synched those devices since the summer.)  Can I keep the playlists from from the first PC?
    Thanks in advance for any and all help.

    Sorted it out. If anyone has this problem i reccommend visiting http://forums.ilounge.com/ipod-classic-ipod-5g-video/237546-ipod-classic-80gb-fr eezes-itunes-need-restore-plz-help-2.html#post1403546 there's some pretty good advice on it. have to go into control panel and re-format iPod into NTFS file. good luck.

  • How to recover data from hard drive of failed notebook

    I have a broken F767NR laptop. Broke due to something other than the hard drive. What is the best method to extract the data from the notebook hard drive inside the laptop since the laptop won't turn on? Anyone with any specifics would be helpful!

    http://cgi.ebay.com/2-5-HARD-DRIVE-SATA-EXTERNAL-ENCLOSURE-CASE-USB-2-0-New-/160526605521?pt=PCC_Dri...
    Something like this would work.   Pull out your hard drive and put it in the enclosure.  Hook it up to a working computer and you should be able to see all your folders and files. 
    Did someone help you? Pay it forward. Help someone else.
    NC4400, TC4400 Win 7 Ultimate, xp pro, both dual boot
    a bunch of thinkpads

  • How to recover data from a hard drive with bad blocks?

    An external hard drive, 4TB Iomega...connected via eSATA cable...had a power outage and the drive won't be read by OSX now.  (Yes, it was on a surge protector and no I did not have a backup.  I was actually preparing for the process of creating a backup when the power went out!)  Anyway, I have tried using Data Rescue 3 and DiskDrill to try and recover data from the drive.  I can recover the first 1/3 of the drive, but it ejects when either app tries to access the bad block.  Can anyone tell me how/what software to use to recover the data?  I know there are programs that will avoid the bad block but I've only found them for Windows.  Are there any that will do such a thing in Lion?  Any help will be appreciated...and no, I can not afford a data recovery service.  Trying to do this on my own.

    Basics of File Recovery
    If you stop using the drive it's possible to recover deleted files that have not been overwritten by using recovery software such as Data Rescue II, File Salvage or TechTool Pro.  Each of the preceding come on bootable CDs to enable usage without risk of writing more data to the hard drive.  Two free alternatives are Disk Drill and TestDisk.  Look for them and demos at MacUpdate or CNET Downloads.
    The longer the hard drive remains in use and data are written to it, the greater the risk your deleted files will be overwritten.
    Also visit The XLab FAQs and read the FAQ on Data Recovery.

  • Need to recover data from Bootcamp partition

    Hi, all,
    I recently sent my Macbook Pro in for repairs after a crash (Windows partition not recognized, after working well for a year), and they replaced the logic board and HD, the former of which was dead and the latter of which "wasn't running very well". I got the HD back, and have been trying to get data off it; the problem is, most of my data was stored on my Windows bootcamp partition, which I can now see - but not access.
    This is the info I got off it, since Disk Utility still recognizes it.
    Mount Point : /Volumes/BOOTCAMP
    Capacity : 116.7 GB (125,294,346,240 Bytes)
    Format : Windows NT File System (NTFS)
    Available : 26.6 GB (28,521,467,904 Bytes)
    Used : 90.1 GB (96,772,874,240 Bytes)
    Number of Files : 138,674
    Owners Enabled : No
    Number of Folders : 0
    I feel as if there should be a way to recover data from the drive, since it obviously still...exists and is recognized. But using "verify" in Disk Utility returns a "verify volume failed: invalid request", and I can't otherwise see any files, since there's apparently 0 folders.
    Does anyone have any recommendations for data recovery software that works in Mac? I can't just run Windows from an external drive because the HD with the Bootcamp on it is Mac-formatted.
    Many thanks.

    Probably the best option for attempting to recover files is attaching the hdd to a> USB Adapter and plug it into a usb port an another machine. If the hdd has not failed it should show up as a drive and can be browsed on the other machine to copy files over.
    ******Clicking the Thumbs-Up button is a way to say -Thanks!.******
    **Click Accept as Solution on a Reply that solves your issue to help others**

  • Should I use a data retrieval service or software to recover data ?

    Please pardon the length of this post.
    Here's the setup for our office:
    Computer 1:
    10.4.8 OS X
    1 GHZ PowerPC G4: silver grey tower, grey apple
    1MB L3 Cache
    256 MB DDR SDRAM
    Computer 2:
    10.4.8 OS X
    Dual 450 MHZ PowerPC G4: blue grey tower, blue apple
    256 MB SDRAM
    Computer 3:
    10.4.8 OS X
    1 GHZ PowerPC G4 IMac Flat Screen:
    256 MB DDR SDRAM
    I have 2 LaCie Big Disk d2 Extremes daisy chained and connected to the IMac. We use the first to store all of our data to keep our local disks free. The second d2 is the backup to the first. The other 2 computers connect to the d2's via an ethernet hub. The d2's are each partitioned into 4 compartments.
    A couple of days ago I started the system up when I got in in the morning, and the main d2 would not open. I ran disk utility, but it said that the drive was damaged beyond it's ability to repair. I ran DiskWarrior, and it gave me this message:
    "The directory of disk 'G4' cannot be rebuilt. The disk was not modified. The original directory is too severely damaged. It appears another disk utility has erased critical directory information. (3004, 2176)."
    I contacted Disk Warrior tech support and after a series of exchanges that had me send him dated extracted from the terminal function, he said this:
    "It appears that the concatenated RAID inside your LaCie
    drive has failed (your 500GB drive is actually 2 250GB
    hard drives). That is why we only saw 2 partitions
    on "disk3". A possible cause could be a failed bridge
    in the case.
    You may be looking at sending this drive to a data recovery service.
    However, it is possible that we may be able to recover data
    from the partitions that we CAN see. What we would be doing would cause no damage to your data
    unless the hard drives were having a mechanical failure (ie, the
    head crashed and was contacting the platters, similar to scratching
    a record). But from what I've seen, I don't feel that is the case.
    I believe the piece of hardware that 'bridges' the two drives to
    make them act as one has failed. that's why we can only see data
    about 1 of the 2 drives in the case.
    We would only be attempting to gather data off the drive. Since
    data recovery services sometimes charge for amount of data retrieved,
    it's up to you how you want to proceed."
    Most of the data from the past 5 years for our business stands at being lost. Only some of it had been properly backed up on the second drive, due to some back up software issues. I want to do whatever I can to retrieve all of, or at least some of the data. From what the Alsoft technician said, do you think that the data recovery software available to the consumer is going to be robust enough to retrieve at least the data from the one disk in the drive that is recognizable (there are 2 250gig disks in the d2X. Only one is responding at all). If so, do these Softwares further damage the disks? Or should I just send the drive to a data recovery service?
    I'd like to try to extract some of it myself via over the counter retrieval software, but I don't know whether to trust these programs?
    Any advice would be greatly appreciated.
    Thanks in advance.
    Peter McConnell
    1 GHZ PowerPC G4 IMac Flat Screen   Mac OS X (10.4.8)   Posted

    Peter
    My 2 cents:
    I have used FileSalvage
    http://www.subrosasoft.com/OSXSoftware/index.php?mainpage=product_info&productsid=1
    to recover files from damaged disks. It works as advertised, within limits. Some files may be too damaged to recover. More importantly yo get to scan the disk before actually recovering, and it will give you a list of what it thinks it can recover.
    My experience was that it recovered approx 85% of the data.
    YMMV but they do have a trial.
    Regards
    TD

  • ORA-01124: cannot recover data file 1 - file is in use or recovery

    I am trying to recover standby database, but it is giving the below error.
    ORA-00283: recovery session canceled due to errors
    ORA-01124: cannot recover data file 1 - file is in use or recovery, recovery is already stated
    ORA-01110: data file 1: 'I:\ORACLE\QAS\SAPDATA1\SYSTEM_1\SYSTEM.DATA1'
    when i checked in the alert log the recovery is not started. and later i hae given "alter database recover cancel' and the command end up with the below line
    "media recovery not started".
    it seems that the recovery has stuck in between.
    please advise me how to kill the recovery session that's stuck. because i dont want to bounce the standby database.
    thanks in advance.

    Without dataguard and MRP, you are running a scripted standby.
    In a scripted standby, a RECOVER DATABASE session would have an UNTIL clause (most likely UNTIL SEQUENCE). At the end of the recovery to that point (SEQUENCE#), it exits and shuts down the database.
    Also, the scripting is such that when one RECOVER session is active, another session is not allowed to start. It may loop in wait state or exit and retry at the next scheduled interval.
    Apparently your standby scripting is not robust enough to prevent another RECOVER session from starting off even as the first is active (and/or it doesn't have a proper UNTIL clause and stop, exit, shutdown actions)
    What you have is a custom implementation of a standby database. Without complete details of the script, the "locking" between sessions (to prevent a second RECOVER from starting when one is already running) etc .... we really cannot do much to help you.
    Your scripts should be maintaing status information . It should be possible for you to discover the "other" sqlplus session that has issued a RECOVER DATABASE but not yet exited (e.g. ... how about a simple "ps -ef |grep sql" and "ps -ef | grep ora" combination ??)
    Hemant K Chitale
    Edited by: Hemant K Chitale on May 29, 2013 5:47 PM

  • My iphone 4 is dead with water damage. Is there a way to recover data from the dead phone.

    My iphone 4 is dead with water damage. Is there a way to recover data from the dead phone. Could any one help where exectly the memory chip (not RAM) resides in the phone. Is it on the motherboard or a seperate component in the phone?

    The iPhone's internal components are soldered together. There is no way to recover data from your phone if it refuses to power up.
    ~Lyssa

Maybe you are looking for

  • Ipod nano 4GB (error message in itunes)

    I receive an error message when itunes is up and my ipod nano is connected. The error message says: The file or directory\iPod-Control\iTunes\iTunesDB is Corrupt and Unreadable. Please run the Chkdsk Utility. Also, no music can be transferred to my i

  • Change font size for {module_shoppingcartsummary} display

    This is probably really simple, however I have defined a font size for a header in which I have placed the {module_shoppingcartsummary}.  All items in the header dsiplay as reflected in my defined font size witht the exception of the displayed result

  • CreateOsCol error: SCS Java Add-In installation to ABAP on ERP 6.0 SR3

    Hi there, I got an error while installing SCS Java Add-in to ABAP on ERP 6.0 SR3. Do you have any ideas for this issue? sapinst.log INFO 2010-06-04 16:54:35.109 Execute step createOsCol of component |NW_Addin_SCS|ind|ind|ind|ind|0|0|NW_SCS_Instance|i

  • EDL Error

    When I export my project into EDL to Speegrade from Premier, and click on the EDL file inside Speedgrade, I get an error message saying "error key not supported in file 1. File 001 AX V K B Line 3." The error comes when I try putting the file into th

  • Nokia 5530 not working properly with my computer

    When I open the memory card in my computer, it doesn't display half of my music or any transferred pictures.. when I try to copy music into my memorycard or phone memory , the computer says that the memory is full. I checked the phone and my phone sh