The third extended file system "ext3 file system "is an extremely powerful file system that arranges the data in a well organized fashion and much better than its predecessor, second extended file system "ext2 file system". That's because the ext3 file system remains consistent even after system crash or unexpected power failure.
Lengthy checks after switching on the Linux system are not required to check file system integrity. Also, Data fragmentation in the disk is properly checked. However in Ext3 file system When you delete a file It is not transferred to a trash bin this increases the chance of accidential data loss and you have to use appropriate measures to recover the lost linux data. If that does not happen then a third-party Linux recovery software is required to perform ext3 recovery.
Once you delete a file, only its pointer is deleted from the memory not the file and the file remains physically present there unless it is overwritten by some another file.
Resolution:
In an ext3 file system, ext3grep utility is used to recover deleted files from the Linux hard disk. eventhough it is quiet handy utility, there are some limitations associalted with it like fails to recover the files larger than 2 GB. In such conditions, a third-party Linux recovery software is required to perform the recovery of the deleted files. Such read-only tools are extremely efficient they recover most of the deleted file.
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