Hitachi Dynamic Link Manager Software Users Guide for Solaris

Path Status Transition..................................................................................... 2-19
The Online Path Status.......................................................................... 2-19
The Offline Path Status.......................................................................... 2-20
Status Transitions of a Path....................................................................2-20
Intermittent Error Monitoring (Functionality When Automatic Failback Is Used)......... 2-23
Checking Intermittent Errors............................................................................2-23
Setting Up Intermittent Error Monitoring...........................................................2-23
Intermittent Error Monitoring Actions............................................................... 2-24
When an Intermittent Error Occurs......................................................... 2-24
When an Intermittent Error Does Not Occur............................................ 2-25
When the Conditions for an Intermittent Error Are Changed During Error
Monitoring............................................................................................ 2-26
When a User Changes the Intermittent Error Information.................................. 2-27
Detecting Errors by Using Path Health Checking...................................................... 2-28
Distributing a Load by Using the Dynamic I/O Path Control Function.........................2-29
What is the Dynamic Load Balance Control Function..........................................2-29
Dynamic I/O Path Control Function.................................................................. 2-29
Error Management................................................................................................ 2-30
Types of Collected Logs...................................................................................2-31
Filtering of Error Information........................................................................... 2-32
Collecting Error Information Using the Utility for Collecting HDLM Error Information
(DLMgetras)................................................................................................... 2-33
Collecting Audit Log Data.......................................................................................2-33
Categories and Audit Events that HDLM Can Output to the Audit Log................. 2-35
Requirements for Outputting Audit Log Data.....................................................2-38
Destination and Filtering of Audit Log Data....................................................... 2-39
Audit Log Data Formats...................................................................................2-40
Integrated HDLM management using Global Link Manager.......................................2-41
Cluster Support.....................................................................................................2-42
3 Creating an HDLM Environment............................................................. 3-1
HDLM System Requirements....................................................................................3-3
Hosts and OSs Supported by HDLM................................................................... 3-3
Storage Systems Supported by HDLM................................................................ 3-4
Storage Systems..................................................................................... 3-4
HBAs......................................................................................................3-5
When Handling Intermediate Volumes Managed by Hitachi RapidXchange...3-5
Cluster Software Supported by HDLM.................................................................3-6
Volume Manager Supported by HDLM................................................................ 3-6
Combinations of Cluster Software and Volume Managers Supported by HDLM.......3-7
For the Solaris Cluster or VCS Environment............................................... 3-7
When Creating an Oracle9i RAC Environment.......................................... 3-11
When Creating an Oracle RAC 10g Environment...................................... 3-11
When Creating an Oracle RAC 11g Environment...................................... 3-25
Virtualization Environments Supported by HDLM............................................... 3-35
Memory and Disk Capacity Requirements......................................................... 3-36
Memory Requirements...........................................................................3-36
Disk Capacity Requirements................................................................... 3-36
Number of LUs and Paths Supported in HDLM...................................................3-37
Flow for Creating an HDLM Environment.................................................................3-37
HDLM Installation Types........................................................................................3-38
Notes on Creating an HDLM Environment............................................................... 3-39
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Hitachi Dynamic Link Manager (for Solaris) User Guide