Hitachi HF-BX1000 Instruction Manual page 37

CHAPTER 6 TROUBLESHOOTING
6.1 List of Problems ................................................................................................................... 6-1
6.1.1 Problems that occur before the OS startup .................................................................... 6-1
6.1.2 Problems that occur after the OS startup ....................................................................... 6-2
6.2 Countermeasures .................................................................................................................. 6-3
6.2.1 Problems that occur before the OS startup .................................................................... 6-3
6.2.2 Problems that occur after the OS startup ....................................................................... 6-6
6.3 STOP Error Codes ............................................................................................................. 6-16
6.4 Event Log ........................................................................................................................... 6-17
6.5 Checking the System Load by Using Performance Monitor ............................................. 6-20
6.6 Digital LEDs for Status Indication ..................................................................................... 6-24
6.6.1 POST messages ........................................................................................................... 6-24
6.6.2 Displaying a hardware status code .............................................................................. 6-25
6.6.3 Displaying a timeout code ........................................................................................... 6-26
6.6.4 Displaying a STOP error code ..................................................................................... 6-27
CHAPTER 7 MAINTENANCE OPERATION
7.1 Overview .............................................................................................................................. 7-1
7.2 Collecting a Memory Dump ................................................................................................ 7-5
7.3 When the Saving Memory Dump Confirmation Messages is Displayed ............................ 7-7
7.3.1 When the capacity of the memory dump file is insufficient or
when the virtual memory setting is changed ................................................................. 7-7
7.3.2 Changing the memory dump collection setting ............................................................. 7-8
7.3.3 Countermeasures when the capacity of the memory dump file is insufficient .............. 7-9
7.3.4 Countermeasures when changing the memory dump collection setting ..................... 7-10
7.3.5 Configuring the settings related to a memory dump ................................................... 7-11
7.4 Startup Suppression on Serious Failure Detection ............................................................. 7-13
7.5 Maintenance Operation Commands ................................................................................... 7-13
7.5.1 Log information collection command (logsave) .......................................................... 7-14
7.5.2 Memory dump file copy command (mdump) .............................................................. 7-16
7.5.3 Disk area allocation command for saving a memory dump (createdmp) .................... 7-18
7.5.4 RAS information display command (getrasinfo) ......................................................... 7-20
CHAPTER 8 RAID1
8.1 What Is RAID1 ? .................................................................................................................. 8-1
8.2 Setup ..................................................................................................................................... 8-2
8.2.1 Setup overview .............................................................................................................. 8-2
8.2.2 Building a RAID1 system newly ................................................................................... 8-2
8.3 Checking the RAID1 Status ................................................................................................. 8-3
8.3.1 Status lamp ..................................................................................................................... 8-3
8.3.2 Hardware status window ................................................................................................ 8-4
8.4 Recovering from Failure ...................................................................................................... 8-5
8.4.1 Detection of failure ........................................................................................................ 8-5
8.4.2 Recovery from a failure in one HDD ............................................................................ 8-6
8.4.3 Recovery from failure in both HDDs ............................................................................ 8-9
8.5 Preventive Maintenance ..................................................................................................... 8-10
8.5.1 Creating a backup HDD ............................................................................................... 8-10
8.5.2 Recovery using a backup HDD ................................................................................... 8-11
8.5.3 Performing periodical HDD replacement .................................................................... 8-12
APPENDIX HANDLING REPLACEABLE COMPONENTS
............................................................................ 6-1
........................................................................................................... 8-1
........................................................... 7-1
iv
.............................. A-1