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Resolving “Disk Geometry Error” in Linux

by anonymous

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Modern computers allow you to install two or more operating systems on a single hard disk. This configuration is known as ‘Multi-Boot’. Every operating system, such as Linux, employs one or more hard drive partitions. The way in which hard drive partitions and data is arranged, is known as hard drive geometry. If any kind of disagreement occurs with these hard drive partitions, you may encounter catastrophic consequences that will eventually lead to severe Linux data loss. In order to retrieve lost data in such circumstances, you need to perform Data Recovery Linux using powerful tools.

The MBR (Master Boot Record) includes a partition table, which describes where the primary hard drive partitions are stored. Partition table can contain at most 4 table entries, for the 4 primary partitions. The information in partition table is redundant: location of Linux partition is given by both 24-bit begin and end entries, and by 32-bit start and length entries. Linux operating system uses only the length and start fields, and thus can handle the partitions of not more than 232 sectors. It means, the length of Linux partitions can be at most 2 TB, which is 12 times bigger than modern hard drives.

Under some circumstances, you may come across various hard drive geometry errors, while accessing data from your Linux hard drive. One such error is as given below:

“Disk geometry error”

You encounter such error messages when the Linux operating system tries to read data at linear block address outside the end of BIOS (Basic Input/Output System) translated area. This problem generally occurs if the size of Linux hard drive is larger than the size that can be handled by BIOS.

The problems may also occur due to overlapping of the Linux partitions. In such circumstances, all your hard drive volumes become completely inaccessible. In order to sort out this problem, you need to restore data from the most recent backup.

However, if you do not have an absolute backup, you encounter data loss problems. In such situations, Linux Data Recovery becomes need of the hour.

Recovery is best possible with the help of powerful and advanced application, known as Linux Recovery software. They employ high-end scanning techniques to thoroughly scan the entire hard drive and extract all lost, missing, and inaccessible data from it. Linux Data Recovery utilities are totally safe and easy to use.

Stellar Phoenix Linux Data Recovery software successfully recovers lost, missing, deleted, or inaccessible data from Linux hard drive. It is designed to recover data from Ext4, Ext3, Ext2, FAT12, FAT16, and FAT32 file system volumes. This Linux Recovery  software works well with all major Linux distributions, such as Red Hat, SUSE, Debian, Mandriva, and more.

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