* ID – module identifier.
* Copy – copy number.
* Importance – information about the importance of a given module for HDD operation or user data integrity.
Modules are ranked into four groups according to their importance: A, B, C, and D arranged in the descending
A – essential modules; they are individual for every drive.
B – main modules; as a rule, they are identical in all drives within a family.
С – additional modules of auxiliary tables; they can be simply cleared.
D – secondary modules, which do not affect normal HDD operation; however, they are used for optional
procedures, such as Selfscan, etc.
In addition, s, d, and r characters indicate the modules pertaining to actual drive operation (s – system) or just
to user data (d – data) or to service features of HDD restoration (r – repair). Please see details on modules’
importance in section 8.1.2.
* Cyl – number of the SA cylinder where a module is located.
* Head – number of the head corresponding to the module location.
* Sector – number of the initial module sector.
* Size – module size in sectors.
* Read – the flag indicating the result of reading all sectors of a module, it may take Yes/No value.
* Hdr – the flag indicating the result of module header validation, it may take OK/Error value. Module header is
considered to be erroneous if its date is invalid or if its identifier differs from the one specified in the Modules table.
* CS – the result of checksum calculation and verification for a module, it may take Yes/No value.
* Date – module date stored in its header.
* Vers – module version necessary while overwriting damaged modules.
* Description – brief description of module purpose (when known).
Data recovery Salon welcomes your comments and share with us your ideas, suggestions and experience. Data recovery salon is dedicated in sharing the most useful data recovery information with our users and only if you are good at data recovery or related knowledge, please kindly drop us an email and we will publish your article here. We need to make data recovery Salon to be the most professional and free data recovery E-book online.