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Hard Drive Recovery (83)
In our data recovery practice we have faced a variety of hard drive problems. So, in this article we tried to put together the information about different types of HDD damage.
Often, the reason lies in the damage of circuit board or reading heads. In this case data can be accessed only by an expert who will replace faulty component with a working one. If the procedure is without implications, after repair you will have access to 100% of your data.
If your external hard drive is not recognized when you connect it, you need to disassemble it and restore the connection between the drive’s connector and USB module.
Recently two of my hard drives crashed. One WD and another 3Q. Frankly speaking, I just freaked out. They worked fine and here you are – two at once. LED is on but it is not detected.
How to copy a Linux system from one disk to another
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Contents
- Introduction
- Install both disks on your system
- Unmount non-Linux partitions and network drives
- Partition the new disk
- Format the new disk
- Mount the new disk
- Copy files from the old disk to the new disk
- Modify /new-disk/etc/fstab as appropriate
- Prepare LILO to boot the new disk
- Make a boot diskette (optional)
- Remove the old disk
- Reboot the system, modify LILO configuration file
Armor A80 by Silicon Power is a serious hard drive and one of the few provided with USB 3.0 cable.
In addition to USB 3.0 standard, speed of which is 10× faster than of its brother USB 2.0, this drive is water resistant (no harm if it is immersed 1 meter deep into the water for 30 mins), and shock-proof (no harm if it falls on a solid ground from the height of 122 cm). It looks like Armor A70 from outside. But it has one very important difference – USB 3.0 compatibility.
Western Digital employed a new approach in designing hard disk drives. It has introduced a model with one particular difference from other ones – it is filled with helium, not air. Such approach allowed the company to substantially improve technical features of the device.
New 3,5-inch hard drive has improved energy consumption by 23% as compared to similar ‘air’ models. ‘Green peace’ supporters must be happy since in global scale these 23% is a very considerable amount. It is expected that in idle state this drive would consume not more than 5,3 W.
Average failure share: 1,47% (1 out of 68).
The least fail-resilient group of computer parts – hard disk drives. So many things are connected with them – ups and downs, triumphs and disappointments, fantastic price reductions, unique failures of the biggest manufacturers, terabytes of lost photos, theses, works, etc., etc., etc.
It is the market of hard disk drives that is for some unknown reasons subjected to profound player changes. Quantum and IBM have already left, Fujitsu drives almost vanished from it. After some period of secret existence Samsung again entered the game as well as Hitachi intensified recently. Just recently Seagate experienced serious shock from failing drives with SD15 firmware.
And yet again I have a failed drive.
This time its 600 Gb and it doesn’t open.
I turn on computer, try to check information on the second HDD and see an inscription (though the Windows is installed on another disk, thanks God!), - “The disk has not been formatted, format it now?”.
There is a story I want to share with you…
My friend brought a computer with failed hard drive (capacity – 80 Gb)! It says: RAW partition format!!! My actions?
I downloaded a pile of software, wanted to recover it to avoid copying information because of space scarcity...
Each of us has it. It is literally our everything, a small piece of high-tech and precise mechanics that contains our priceless data: photos, texts, movies, music, configurations and operating system. It is a hard drive, and sooner or later it fails. So why?
Historical background
It all started when I decided to download Debian Testing and take it home to my large hard drives. All downloaded and was recorded, I turned on laptop in normal mode. Nothing special. However, it threw a message during copy: I/O Error, and dmesg logs contained the following:
hda: dma_intr: status=0x51 { DriveReady SeekComplete Error }
hda: dma_intr: error=0x40 { UncorrectableError }, LBAsect=35807470, high=2, low=2253038, sector=35807428
ide: failed opcode was: unknown
end_request: I/O error, dev hda, sector 35807428
There is always need for more disk space. I think everyone would agree with the statement above. Perhaps, someone is satisfied with the capacity of 128 GB SSD in modern ultrabooks. But when it comes to professional application of digital equipment, one cannot do without high-capacity storage. All the more it is relevant for IT business. Today, in the first post about Hitachi Global Storage Technologies that recently became affiliated company of Western Digital, I will speak about the most capacious hard drive of corporate series.
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