Jonny Defh

HFS+ or HFS Plus is a reliable and widely used file system of Mac OS X operating system. The file system is made up of a number of components and Catalog File is the most important among them. Catalog File keeps record of all the files and directories. This is a B-tree that is divided in fixed-size nodes that are 4 KB in size. Generally four types of nodes are used: Leaf nodes, Header node, Index nodes and Map nodes. The Header node is placed in starting to reference all other nodes. In some situations, these nodes might get damaged and your system reports inconsistency problems that leads to volume corruption and finally data loss. In such cases, Mac Data Recovery is required to get your mission-critical data back. In a practical scenario, when you try to check integrity and consistency of your HFS+ file system volume on Mac OS X hard drive using Disk Utility, you ... (more)

Input/Output Errors Indicates Data Loss in Mac OS X

In your computer system, error messages indicate that something is going on wrong with your system, either in the logical parts of hard drive or in cave of the hard drive. Errors occur in every operating system, including Macintosh or Mac OS  X. The Input/Output errors in Mac OS X operating system fall in this category and they cause data loss in some ways. Data loss is the most unexpected situation and require Mac Data Recovery using appropriate applications to be sorted out. In a practical scenario, while booting your Mac system or while working on it, you might experience appl... (more)

Rectifying “Overlapped extent allocation” Error in Mac OS X

In a computer system, hard drive stores all of your mission-critical data, operating system and applications. The hard drive is very prone to failure and may encounter a number of problems that lead to data loss. No matter what hardware and software you are using, the system crash and data loss may occur at any point. To handle minor hard drive and file system corruption like situations, operating systems offer in-built disk repair utility. For example, Mac OS X offers Disk Utility and fsck command-line tool to sort out these problems and prevent need of Mac Data Recovery in wors... (more)

Interrupted Secure Erase of File Vault Cause Data Loss in Mac OS X

In Mac OS X operating system, the File Vault is a utility that protects your critical and confidential data and information from unauthorized access. This tool come in-built with Mac OS X 10.3 Panther and later versions. The File Vault is a significant application that uses encrypted file system that is mounted and unmounted when you log in or log out of system or account. The home directory of the user account is encrypted using the Advanced Encryption Standard (AES) algorithms. But in some situations, the interrupted process of File Vault application might cause serious data lo... (more)

Mac File Recovery

Macintosh Magazine HFS Wrapper is a popular and reliable Mac OS X file system. The HFS+ volume could be made to contain within the HFS file system volume in a way that make it look like the HFS volume and not the HFS+ volume to your system. The HFS Wrapper file system proves beneficial in computers, which does not support HFS+ file system volumes. The HFS Wrapper file system volumes are also intended to help you through a Read Me file, known as 'Where_have_all_my_files_gone?', which explains what you need in a Mac OS X version to use this file system. In some situations, the HFS... (more)