Acronis Secure Zone is a hard disk partition type created and used by Acronis True Image (ATI) as a backup storage target.
Video Acronis Secure Zone
Overview
Backup applications typically use network storage for storing backup archives, but this can be problematic when such resources are not available. Acronis designed a solution to this problem by carving off part of the local disk as a proprietary partition, which they refer to as Acronis Secure Zone (ASZ). Since this partition is accessibly only by True Image and Backup & Recovery, it functions as a backup target safe from malware, user files, or other uses or corruption. ATI can only manage a single ASZ per computer but can restore data off other ASZs present too (e.g. when a portable hard drive is connected).
Maps Acronis Secure Zone
Technical Details
Although the Acronis Secure Zone has its own partition type, it is actually just a rebadged FAT32 partition labeled ACRONIS SZ, with "partition type" code set to 0xBC. Knowing these requirements, one can manually create and/or manage existing Acronis Secure Zone using any partition manager. Since the ASZ is actually just a modified FAT32 partition type, it is possible to gain direct access to this partition by changing its partition type code to 0x0B (FAT32 LBA).
ATI is designed to self-manage the backup archives stored to the ASZ. As such, all backup files will be stored with autogenerated names in the root folder. If there is not enough freespace for the next backup file, ATI will automatically delete the oldest image set (base+incremental/differential files) in order to create space for the new files.
OEM Secure Zone
OEM versions of True Image are designed to use a special "OEM secure zone", which is technically the same as a regular ASZ, but uses a partition type of 0xBB, and typically contains only a single image file with the "factory default" OS and application configuration set forth by the manufacturer.
References
Source of the article : Wikipedia
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