MAC/Apple Data Recovery Services
Data Recovery Clinic can deal with all of the MAC/APPLE Operating Systems.
HFS, HFS+, Unix including the newer MAC OS X which uses journaling an object-oriented vnode layer.
Single PATA, SATA, SAS Drives or Raid sets.
I have worked on the first Apple drives in the early 80's and have sinced been a leader in research and development of new technologies and software to recovery your data. One shot is all you may get. Don't trust your Data just to anyone.
Call:1-646-556-6614 to speak with me.
Below is an explanation of Mac File Systems.
File Systems
We recover from all Mac file systems.
Mac OS X uses an object-oriented vnode layer. xnu's VFS layer is based on FreeBSD's, although there are numerous minor differences (for example, while FreeBSD uses mutexes, xnu uses simple locks; XNU's unified buffer cache is integrated with Mach's virtual memory layer, and so on).
HFS+ is the preferred filesystem on Mac OS X. It supports journaling, quotas, byte-range locking, Finder information in metadata, multiple encodings, hard and symbolic links, aliases, support for hiding file extensions on a per-file basis, etc. HFS+ uses B-Trees heavily for many of its internals.
HFS (Hierarchical File System) was the primary filesystem format used on the Macintosh Plus and later models, until Mac OS 8.1
Mac Files
On a Mac each file can have two parts called forks - a data fork and
a resource fork. These are actually two files linked to one name in
the Mac file system. The resource fork holds resources (icons, fonts,
menus, sounds, etc.). Since each resource fork can hold many resources,
it has a specific structure that allows programs to find and access
a particular resource quickly. The data fork can hold any type of data
(text, images, etc.) and does not have a required a structure like the
resource fork. Mac resource forks are generally of no use on the PC,
but it is possible for a PC program to convert specific resources to
a PC format. Our program CrossFont can do this with Mac fonts which
exist in the resource fork. The contents of the Mac data fork is usually
all that can be used on a PC. Once a Mac file is copied to the PC, the
resource fork, type and creator information are lost unless the file
is encoded with MacBinary or a similar format (HQX, SIT, etc.) that
saves the Mac specific data with the file. This way the file can exist
on a single fork machine (PC, UNIX) or be telecommunicated and decoded
at the other end with all Mac information intact.
It is useful to have a way to identify the type of a file as well as which application created it. The Mac file system has this information stored with the file name and other information. They are two four character fields called the type and creator. Mac programs can use many different types of files. The type field tells the program what type of data is in each file so it can parse it properly. It also allows a program to filter files in an open file dialog box so the user can only open files of a certain type. The creator field is unique for each Mac application. When an application creates a file, it puts a creator signature in this field which identifies that this application should be launched when a user double clicks on the icon of the file.
To proceed do one of the following:
Call 646-556-6614 to speak with a representative and receive your quote over the phone or fill out a Recovery Quote Form. We answer our phones 24 hours a day 7 days a week.
Fill out a data recovery request form and ship us your drive. please follow any instructions on how to package and ship a hard drive.
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