best free hard drive cloning software with bad physical blocks

To use TestDisk under Knoppix 4.0.2, you need to resolve a library problem by first executing: Note for users of Knoppix version 4.0.2 CD:

Now you can use all of the powerful root commands you need for full disk access from this console.

To become root from the Knoppix user account, select the Konsole and type sudo -s, then press the Enter key.

To access hard disks, you need to run these utilities with root (Administrator) privileges. Knoppix comes with TestDisk, PhotoRec, dd and dd_rescue.

(Note: Knoppix has a separate 'Konsole as root' choice, but copy/paste functions are deactivated in it, so we always recommend using the method described below for gaining root privileges from the normal user Konsole.)

You are automatically logged in as the user 'knoppix' on a GUI console.At the boot prompt, type knoppix lang=us for a US keyboard/language.If you don't have a Linux OS installed, download the Knoppix LiveCD, a free bootable CD with a fully functional Linux OS that runs only in memory! 3.3 The best method: Antonio Diaz's GNU 'ddrescue'.2.2 Identifying an HDD's Mac OS X device.You can also use TestDisk to help analyze the sectors copied from a hard drive with physical problems onto a good drive. Windows may have some problems in dealing with bad sectors on a damaged hard disk, so the best solution is to use a Linux OS to copy data to another hard disk. The new disk must be at least exactly the same size (check the number of LBA sectors) or larger when larger, it's usually not a problem because the number of heads per cylinder and sectors per head will be the same if both disks use LBA mode. To recover your data, the best method is to copy/clone the drive's data to another hard disk before attempting to recover it. A bad sector is a sector on the disk which data cannot be written or read (read errors) due to physical damage or inconsistencies of parity checking bits on disk (CRC or Cyclic Redundancy Check error). They are early signs of a disk crash as it deteriorates over time. English Deutsch Español Français Italiano Русскийīad sectors are the most common form of hard disk physical damage.

Best free hard drive cloning software with bad physical blocks