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Resolving "Mount - Wrong fs Type" Error in Ext4 Linux File System By  Allen Sood

Ext4 or Fourth Extended file system is the latest release in long line of the Linux file system. It is the successor of Ext3 file system and has a number of powerful features. These features improve stability, integrity, consistency, performs, and security of your system. However, in some cases, your Ext4 file system volumes main become unmountable or inaccessible due to file system corruption. Such situations cause data loss and need Linux Data Recovery to be sorted out.

In a practical scenario, you may encounter hard system hangs, while working on your Linux computer. The system may stop responding due to the graphics driver (open source Radeon). At the same time, you can not mount your Ext4 file system volume and the file system seems to be damaged. When you try to mount the Linux volume, you encounter below error message:

"mount: wrong fs type, bad option, bad superblock on /dev/sdb1, missing codepage or helper program, or other error In some cases useful info is found in syslog - try dmesg | tail or so"

When you try dmesg, it gives you further error message:

"EXT4-fs: ext4_check_descriptors: Block bitmap for group 0 not in group (block
727012683)! EXT4-fs: group descriptors corrupted!"

At this point, when you run fsck utility to perform Data Recovery Linux by fixing the issue, you encounter a long error that may include messages like:

"Inode table for group 0 is not in group. (block 1236188664)
Relocate? No

Inode table for group 1 is not in group. (block 600148394)
Relocate? no"

As stated in the above error message, you may encounter critical data loss situations if you relocate the Inode table. Backup proves a great help in such circumstances. However, if the backup is not updated, corrupted, or not available at all, Linux Recovery Software come for your rescue.

These are powerful and effective third-party applications, which carry out in-depth scan of the entire hard drive using advanced scanning algorithms and extract all lost data from it. These Ext4 Recovery software works in most of the logical data loss situations and safely recovers all types of lost data. With simple and self-descriptive user interface, the applications are completely easy to use.

Stellar Phoenix Linux Data Recovery is the most effective application to ensure absolute and easy recovery of all your lost data. It recovers data from Ext4, Ext3, Ext2, FAT32, FAT16, and FAT12 file system volumes. The software works well with all major distributions of Linux operating system including Red Hat, Debian, Fedora, and SUSE.

Allen Sood a student of Mass Communication doing research on Linux Data Recovery And Linux Recovery software.

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