What is a Block Tracker?


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James Cole
James Cole
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What is a "Block Tracker" and how does it work? Thanks


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JamieW
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Hi James,

Thank you for your post.

All storage devices (disks) store data in fixed size blocks, commonly known as sectors (a single block) or clusters (a group of blocks). A “Changed Block Tracker” is the common name given to a software component that monitors and records, which blocks have changed over a period of time. Almost all implementations, including our own, use functionality already built into Windows to monitor these changes.

The Macrium Reflect Changed Block Tracker ​can be used to speed-up Macrium Reflect incremental and differential backups, by instantly providing a list of changed blocks, thereby eliminating the need for Macrium Reflect to compare the data currently stored on disk, with the data stored in the previous backup image.

Further information on our Changed Block Tracker, can be found in our Knowledge Base article: https://knowledgebase.macrium.com/display/KNOW/Macrium+Changed+Block+Tracker

Kind Regards,
Macrium Support
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James Cole
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JamieW - 30 October 2017 8:19 PM
Hi James,

Thank you for your post.

All storage devices (disks) store data in fixed size blocks, commonly known as sectors (a single block) or clusters (a group of blocks). A “Changed Block Tracker” is the common name given to a software component that monitors and records, which blocks have changed over a period of time. Almost all implementations, including our own, use functionality already built into Windows to monitor these changes.

The Macrium Reflect Changed Block Tracker can be used to speed-up Macrium Reflect incremental and differential backups, by instantly providing a list of changed blocks, thereby eliminating the need for Macrium Reflect to compare the data currently stored on disk, with the data stored in the previous backup image.

Further information on our Changed Block Tracker, can be found in our Knowledge Base article: https://knowledgebase.macrium.com/display/KNOW/Macrium+Changed+Block+Tracker

Kind Regards,
Macrium Support

Thank You


ASRock Z77 Extreme6 LGA 1155 Intel Z77 HDMI SATA 6Gb/s USB 3.0 ATX Intel Motherboard
Gigabyte GeForce GTX GV-N1080G1 GAMING-8GD
Ram: G.SKILL Sniper Series 16GB (4 x 4GB) 240 pin DDR3/SDRAM DDR3 1866
Intel Core i5-3570K Ivy Bridge
3.4GHz (3.8GHz Turbo) LGA 1155 77W Quad-Core Desktop Processor Intel HD Graphics 4000
1 X HD 1 TB Western Digital Black 7200 RPM
1 X HD 2 TB Western Digital Black 7200 RPM
1 X HD 5 TB Western Digital Black 7200 RPM
1 X HD 300GB Western Digital VelociRaptor 10K RPM
2 X ASUS 24X DVD Burner
MS Windows 7 Professional 64-bit
PWR Supply: Ultra 3X 1000W SLI Ready
Antec Twelve Hundred V3 Case "Full Tower"
Monitor: Samsung S27D590CS, LED Lit, Curved Screen, 1920x1080
Logitech X-230 Speakers
Logitech Gaming Mouse MX-518
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SteelSeries Gaming Headphones V-2
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