HiCommand Dynamic Link Manager (HDLM) for Windows Systems User's Guide (HIT5201-96001, January 2008)

viii Contents
2.11
Error Management...............................................................................43
2.11.1 Collected Logs ..........................................................................44
2.11.2 Filtering of Error Information ........................................................46
2.11.3 Collecting Error Information Using the DLMgetras Utility........................47
2.12 Cluster Support ..................................................................................48
Chapter 3 Creating an HDLM Environment..........................................................................................
51
3.1 System Requirements ...........................................................................52
3.1.1 Applicable Models ......................................................................52
3.1.1.1 Applicable Hosts.............................................................52
3.1.1.2 Applicable Host Bus Adapters (HBAs) ....................................52
3.1.1.3 Applicable Storage Systems ...............................................52
3.1.2 Microsoft MPIO Drivers.................................................................54
3.1.3 Related Programs.......................................................................54
3.1.3.1 When Setting up a Cluster Configuration................................54
3.1.3.2 When Using a Volume Manager ...........................................54
3.1.3.3 Exchanging Data Using Intermediate Volumes Managed by Hitachi
RapidXchange ................................................................
55
3.1.3.4 Using the HDLM GUI.........................................................55
3.1.4 Memory and Disk Space Requirements..............................................55
3.1.4.1 Memory Requirements......................................................55
3.1.4.2 Disk Requirements ..........................................................56
3.1.5 Number of Paths Guaranteed in HDLM..............................................56
3.2 Flow for Creating an HDLM Environment ....................................................57
3.3 HDLM Installation Types ........................................................................58
3.4 Notes on Creating an HDLM Environment....................................................59
3.4.1 Notes on HBAs and HBA Drivers ......................................................59
3.4.2 Notes on Storage Systems.............................................................59
3.4.3 Notes on HDLM Versions...............................................................60
3.4.4 Notes on Windows......................................................................61
3.4.5 Notes on Related Software ...........................................................63
3.4.6 Notes on New Installations and Upgrade Installations............................64
3.4.7 Notes on Upgrade Installation........................................................65
3.5 Setting up HDLM .................................................................................66
3.5.1 Preparations for Setting HDLM Functionality ......................................66
3.5.1.1 Opening the Options Window Using the HDLM GUI ....................66
3.5.1.2 Checking Current Settings Using the dlnkmgr Command .............68
3.5.2 Setting HDLM Functionality ...........................................................69
3.5.2.1 Setting Load Balancing .....................................................70
3.5.2.2 Setting Path Health Checking .............................................70
3.5.2.3 Setting Automatic Failback ................................................71
3.5.2.4 Settings for Intermittent Error Monitoring ..............................72
3.5.2.5 Setting the Reservation Level .............................................73
3.5.2.6 Setting the LU Deletion Functionality ...................................73
3.5.2.7 Setting Error Log Collection Level........................................74
3.5.2.8 Setting the Trace Level ....................................................75
3.5.2.9 Setting Error Log File Size .................................................76
3.5.2.10 Setting the Number of Error Log Files ...................................77
3.5.2.11 Setting the Trace File Size.................................................78
3.5.2.12 Setting the Number of Trace Files........................................79