This setting can DESTROY the data on your Synology NAS

Data scrubbing, also known as data cleansing, is the meticulous process of detecting and correcting (or removing) corrupt or inaccurate records from a dataset.

Data scrubbing is an error correction technique that uses a background task to periodically inspect main memory or storage for errors.

To run data scrubbing on schedule: · Go to the Storage page. · Click the Schedule Data Scrubbing button. · Tick the Enable data scrubbing schedule checkbox.

Data Scrubbing 可修正儲存集區中不正確或不完整的資料，以達到維護資料的目的。建議您定期執行Data Scrubbing 以確保資料一致性，避免因硬碟故障而遺失重要資料。 開始進行 ...

Step by step guide on how to perform Data Scrubbing on your Synology NAS.

Scrubbing, is simply reading data. That reading of data allows for built in error correction to find/fix anything that doesn't read right.

Short answer - it does not matter as long as you do schedule it to run at least maybe annually. Long answer: Scrub reads all data from the raid ...

The solution!: In Storage Pool/Global Settings check the Run Raid Resync Faster to on. Then pause Data Scrubbing and restart Data Scrubbing.

Synology NAS devices utilizing Btrfs can self-heal files with data scrubbing, but it has to be configured properly...and most people don't ...