HP XP P9500 Storage - Manual (Page 4)

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.................................................................3-5
Volume Manager Supported by HDLM................................................................3-6
Combinations of Cluster Software and Volume Managers Supported by HDLM.......3-7
For the Sun 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...............................................3-34
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
iv
Hitachi Dynamic Link Manager User Guide for Solaris ®