Scrubbing
Explore the concept of disk scrubbing to maintain data integrity in storage systems. This lesson explains how scheduled checksum validations detect and prevent data corruption like bit rot by reading every data block periodically. Understand the importance of disk scrubbing in reliable storage and how it complements regular data access checks to protect persistent data.
We'll cover the following...
We'll cover the following...
Given all of the discussion in this chapter, you might be wondering: when do these checksums actually get checked? Of course, some amount of checking occurs when data is accessed by applications, but most data is rarely accessed, and thus ...