Ext3 (Third Extended) File System is a Journaled file system used in Linux operating system. This is the most popular Linux file system. It was the first journaled Linux file system. It is the default file system for some of the popular Linux flavours.
Ext3 file system has numerous data structures for storing the file system information. These file system data structures are also known as metadata structures. The important metadata structures contained in the Ext3 file system are super block, boot block, Inode table and descriptor table.
In Ext3 file system, both file contents and metadata are written to the journal prior to be written to the main file. Because the Journal is relatively incessant on the disk, this can improve system performance in some circumstances. In other situations, performance gets decrease because the data must be written twice.
Ext3 file system is treated as a reliable file system as it uses Journaling methods. But there are some conditions where you may find that your operating system can’t find the specified file on your computer hard drive and shows some sort of error messages. These error messages are “File Not Found”, “Can’t open the file” and “The file is no longer exist”.
This problem occurs due to corruption or deletion of Ext3 file system. In this case, the operating system can’t find the path of the file for that you have requested. In these situations, the data on your Linux hard drive becomes inaccessible and it can cause data loss.
If the lost data was very important, it becomes essential to recover them. You can recover these lost data with the help of data recovery software known as Linux data recovery. Ext3 file recovery are special data recovery tools that can help you in recovering your lost data from Linux hard drive in cases where data has been lost due to File system corruption or deletion, accidental deletion, missing logical volume, virus attack or operating system corruption.
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