ix
RAID SCSI Bus.................................................................................................. 146
Components..................................................................................................................... 146
i960 RISC Processor........................................................................................... 146
Cache Memory ................................................................................................... 147
PCI Connector.................................................................................................... 147
Flash EEPROM (MegaRAID Only).................................................................... 147
SCSI Controller.................................................................................................. 147
External RAID SCSI Connector (DAC960PD and MegaRAID).......................... 147
Onboard Speaker (MegaRAID Only).................................................................. 147
10 Configuring the Disk Array for Performance ......................................................... 149
RAID Technology............................................................................................................ 149
Striped RAID Performance .............................................................................................. 149
Mirrored RAID Performance............................................................................................ 150
Other Performance Options .............................................................................................. 150
Tagged Command Queuing ................................................................................ 151
Write-Back Caching ........................................................................................... 151
Controller Read Ahead ....................................................................................... 151
Database Applications...................................................................................................... 151
RAID Mode Performance and Data Integrity Differences ................................................. 152
A Specifications ............................................................................................................. 153
InterRAID-6 .................................................................................................................... 153
InterRAID-8 .................................................................................................................... 154
InterRAID-12................................................................................................................... 155
B Troubleshooting......................................................................................................... 157
General ............................................................................................................................ 157
Error: System fails to power on.......................................................................... 157
Error: InterRAID drive keeps going dead, same physical drive each time .......... 157
Error: System hangs while loading operating system ......................................... 158
Error: System hangs when scanning devices ...................................................... 158
Error: Installation aborted ................................................................................. 158
Error: “No ROM Basic” message displays ......................................................... 158
Error: HDD blinking amber, CHM blinking amber ............................................ 159
Error: HDD blinking green, CHM steady green ................................................. 159
InterRAID-8 and InterRAID-12 ....................................................................................... 159
Error: Information Control Panel displays, “Hardware Error” ............................ 159
Error: Power-On Self Test (POST) fails............................................................. 159
Error: Temperature threshold exceeded ............................................................. 160
InterRAID-8 Only............................................................................................................ 160
Error: All drives are dead .................................................................................. 160
Error: Upper bus drives appear dead and the Information Control
Panel displays, “Starting Single...” ........................................................ 160
Содержание InterRAID-12
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