Hitachi XP P9500 User Manual page 4

Automatic Failovers...............................................................................2-17
Automatic Failbacks...............................................................................2-18
Manual Path Switching....................................................................................2-19
Path Status Transition.....................................................................................2-20
The Online Path Statuses.......................................................................2-20
The Offline Path Statuses.......................................................................2-21
Status Transitions of a Path....................................................................2-21
Monitoring Intermittent Errors (Functionality When Automatic Failback Is Used)........2-24
Checking Intermittent Errors............................................................................2-24
Setting Up Intermittent Error Monitoring...........................................................2-25
Intermittent Error Monitoring Actions...............................................................2-25
When an Intermittent Error Occurs.........................................................2-25
When an Intermittent Error Does Not Occur............................................2-26
When the Conditions for an Intermittent Error Are Changed During Error
Monitoring............................................................................................2-27
When a User Changes the Intermittent Error Information..................................2-28
Detecting Errors by Using Path Health Checking......................................................2-30
Dynamic Re-configuration......................................................................................2-30
Adding an LU Dynamically...............................................................................2-30
Deleting an LU Dynamically.............................................................................2-31
Error Management................................................................................................2-31
Types of Collected Logs...................................................................................2-32
Filtering of Error Information...........................................................................2-34
Collecting Error Information Using the Utility for Collecting HDLM Error Information
(DLMgetras)...................................................................................................2-35
Collecting Audit Log Data.......................................................................................2-35
Categories and Audit Events that HDLM Can Output to the Audit Log.................2-37
Requirements for Outputting Audit Log Data.....................................................2-40
Destination and Filtering of Audit Log Data.......................................................2-41
Audit Log Data Formats...................................................................................2-42
Integrated HDLM management using Global Link Manager.......................................2-43
Cluster Support.....................................................................................................2-44
3 Creating an HDLM Environment............................................................. 3-1
HDLM System Requirements....................................................................................3-2
OSs Supported by HDLM................................................................................... 3-2
Supported OSs........................................................................................3-2
Microsoft MPIO Drivers............................................................................ 3-3
Web Browsers Supported by HDLM.......................................................... 3-3
Storage systems Supported by HDLM.................................................................3-3
Supported Storage systems......................................................................3-3
HBAs......................................................................................................3-5
When Using Intermediate Volumes Managed by Hitachi RapidXchange to
Exchange Data........................................................................................3-5
Cluster Software Supported by HDLM.................................................................3-6
Volume Managers Supported by HDLM.............................................................3-11
Virtual Environments Supported by HDLM.........................................................3-11
Memory and Disk Capacity Requirements.........................................................3-12
Memory Requirements...........................................................................3-12
Disk Requirements.................................................................................3-12
Number of Paths Supported in HDLM...............................................................3-13
Flow for Creating an HDLM Environment.................................................................3-13
iv
Hitachi Dynamic Link Manager User Guide (for Windows(R))