In this post i will explain the analysis for recording are written to disk slow
【Problem Description】: Recordings are written to disks slowly, and the iostat usage is 100% periodically.
【Problem Analysis】: Disks in slots 14 and 16 have a large number of bad sectors and need to be replaced.



【Root Cause】: Disks in slots 14 and 16 have a large number of bad sectors
【Solution Description】: new make RMA process to replace the disk