stable storage

1. [Storage System] Stable storage is persistent storage where data survives: 

2. [Storage System] Repeated power failures, including cascading power failures,

3. [Storage System] Single hardware failures (of any board, power supply, etc. but not including media),

4. [Storage System] Repeated software crashes, including reboot cycle, and

5. [Storage System] A minimum number of hours without external power. For more information on stability evaluation it is suggested to read:

• SNIA Emerald Specification annex C
• Description of Stable Storage for SPEC SFS 2014