Areca 24/4 Internal/External Port Pcie 3.0 12 Gb/s SAS/SATA Raid Controller 2Gb Cache - Manual (Page 9)

6.10 Information ................................................................ 204
6.10.1 Raid Set Hierarchy .................................................. 204
6.10.1.1 Hdd Xfer Speed ................................................. 204
6.10.2 SAS Chip Information .............................................. 205
6.10.3 System Information ................................................ 206
6.10.4 Hardware Monitor ................................................... 206
Appendix A ................................................................. 207
Upgrading Flash ROM Update Process .................................... 207
Appendix B .................................................................. 211
Flash-based Backup Module (ARC-1883-BAT/CAP) ................... 211
Appendix C .................................................................. 216
Battery Backup Module (ARC-6120BA-T121-12G) .................... 216
Appendix D .................................................................. 220
SNMP Operation & Installation .............................................. 220
Appendix E .................................................................. 231
Event Notification Configurations ........................................ 231
A. Device Event .............................................................. 231
B. Volume Event ............................................................. 232
C. RAID Set Event .......................................................... 232
D. Hardware Monitor Event .............................................. 233
Appendix F .................................................................. 234
Self-Encrypting Disk (SED) Encryption ................................. 234
Appendix G .................................................................. 240
Full Volume Encryption ...................................................... 240
Appendix H .................................................................. 245
RAID Concept .................................................................... 245
RAID Set ......................................................................... 245
Volume Set ...................................................................... 245
Ease of Use Features ......................................................... 246
• Foreground Availability/Background Initialization .............. 246
• Online Array Roaming ................................................... 246
• Online Capacity Expansion ............................................. 246
• Online Volume Expansion .............................................. 249
High availability .................................................................. 249
• Global/Local Hot Spares .................................................. 249
• Hot-Swap Disk Drive Support ........................................... 250
• Auto Declare Hot-Spare ................................................. 250
• Auto Rebuilding ............................................................. 251
• Adjustable Rebuild Priority ............................................... 251
High Reliability ................................................................... 252
• Hard Drive Failure Prediction ............................................ 252