Hitachi HF-W6500 Instruction Manual page 53

CHAPTER 9 TROUBLESHOOTING .................................................................
9.1 List of Problems ................................................................................................................... 9-1
9.1.1 Problems that occur before the OS startup .................................................................... 9-1
9.1.2 Problems that occur after the OS startup ....................................................................... 9-2
9.2 Countermeasures .................................................................................................................. 9-3
9.2.1 Problems that occur before the OS startup .................................................................... 9-3
9.2.2 Problems that occur after the OS startup ....................................................................... 9-7
9.3 STOP Error Codes ............................................................................................................. 9-19
9.4 Event Log ........................................................................................................................... 9-21
9.5 Checking the System Load by Using Performance Monitor ............................................. 9-26
9.6 Digital LED for Status indication ...................................................................................... 9-30
9.6.1 POST messages ........................................................................................................... 9-30
9.6.2 Displaying a hardware status code .............................................................................. 9-32
CHAPTER 10 SOFTWARE RAID1 ..................................................................
10.1 Overview of the Software RAID1 ................................................................................... 10-1
10.1.1 What Is the Software RAID1 ..................................................................................... 10-1
10.1.2 What You Can Do with RAID1 ................................................................................. 10-2
10.2 Setup ................................................................................................................................. 10-3
10.2.1 Overview of setup ...................................................................................................... 10-3
10.2.2 Setting Up a New RAID1 .......................................................................................... 10-3
10.3 Checking the Status of the RAID1 ................................................................................... 10-4
10.3.1 Checking by the Status Lamps .................................................................................. 10-4
10.3.2 Checking by the Hardware Status Window ............................................................... 10-5
10.3.3 Checking by the Software RAID Utility ................................................................... 10-6
10.4 Recovery from failure ...................................................................................................... 10-7
10.4.1 Detecting a failure ...................................................................................................... 10-7
10.4.2 Recovery from a failure in one Drive ........................................................................ 10-8
10.4.3 When a Problem Occurs During Recovery Operation .............................................. 10-16
10.4.4 Recovery from Failure in Both Drives .................................................................... 10-17
10.4.5 Recovery Method When a Normal Drive Is Accidentally Taken Offline ............... 10-17
10.5 Preventive Maintenance ................................................................................................... 10-18
10.5.1 Creating a Backup Drive ......................................................................................... 10-18
10.5.2 Recovery Using a Backup Drive ............................................................................. 10-19
10.5.3 Performing Periodical HDD Replacement .............................................................. 10-20
10.5.4 Data Matching Procedure ........................................................................................ 10-22
10.6 Software RAID Utility ..................................................................................................... 10-23
10.6.1 Overview .................................................................................................................. 10-23
10.6.2 Starting and Stopping the Software RAID Utility ................................................... 10-24
10.6.3 Status Display Function ........................................................................................... 10-26
10.6.4 Rebuild Function ..................................................................................................... 10-27
10.6.5 Consistency Check Function ................................................................................... 10-31
10.6.6 Array Creation Function .......................................................................................... 10-36
10.6.7 Drive Initialization Function .................................................................................... 10-38
10.6.8 Error Messages ........................................................................................................ 10-41
APPENDIX HANDLING REPLACEABLE COMPONENTS ..........................
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9-1
10-1
A-1