Check SSD HDD for Bad Sectors

一般来说，出厂坏块率为2%-10%，再坏的话，出厂的时候就被淘汰了。 增长坏块(Grown bad block)：随着Flash的使用，一些初期好块也会变成坏块。变坏的 ...

ADATA has dedicated testing equipment, software and hardware to identify bad blocks in NAND flashes, and special marks are used for bad blocks.

壞塊管理(Bad Block Management) ... 由晶圓經過檢測、切割、封裝等眾多流程才會封裝成NAND Flash顆粒(NAND Flash晶片)；在這過程中，NAND Flash顆粒裡面可能會產生壞塊，這類壞 ...

Two software that I personally like the most are HD Tune and Disk Genius to check the bad sectors in any SSD or hard drive. Both have their free ...

故障區塊管理(Bad Block Management)可偵測及標記出快閃記憶體中故障區塊，並事先預留備用區塊，以便在區塊故障時加以替補，如此可防止資料再度被寫入故障區塊中，進而提高產品 ...

Explains how bad blocks are generated, how SSDs detect & manage bad blocks, & what problems exist in the bad block management policy.

For controllers without a dedicated flash file system, Bad Blocks can be managed by the SSD controller firmware. For a dedicated flash file ...

This white paper presents Innodisk's procedure to detect, correct and manage initial factory-marked bad blocks. (early bad blocks) in NAND Flash chips, ...

If the bit error rate of a section is above a certain limit during the write/read test, the block is marked as a bad block. In the unlikely ...

Bad Block Management detects and marks bad blocks, utilizes the reserved extra capacity to substitute the unusable blocks, and prevents data from being written ...