Hitachi XP P9500 User Manual page 4

Path status transition......................................................................................2-19
The online path status...........................................................................2-19
The offline path status...........................................................................2-19
Correspondence Between Path Statuses Displayed by the OS and by HDLM2-20
Status transitions of a path....................................................................2-20
Monitoring intermittent errors (functionality when automatic failback is used)...........2-22
Checking intermittent errors............................................................................2-23
Setting up intermittent error monitoring...........................................................2-23
Intermittent Error Monitoring Actions...............................................................2-23
When an intermittent error occurs..........................................................2-24
When an intermittent error does not occur..............................................2-24
When the conditions for an intermittent error are changed during error
monitoring............................................................................................2-25
When a User Changes the Intermittent Error Information..................................2-26
Detecting errors by using path health checking.......................................................2-28
Error management................................................................................................2-28
Types of Collected Logs...................................................................................2-29
Filtering of error information............................................................................2-31
Collecting error information using the utility for collecting HDLM error information
(DLMgetras)...................................................................................................2-32
Collecting installation error information using the utility for collecting HDLM
installation error information (dlmgetrasinst)....................................................2-32
Collecting Audit Log Data.......................................................................................2-33
Categories and Audit Events that HDLM Can Output to the Audit Log.................2-34
Requirements for Outputting Audit Log Data.....................................................2-37
Destination and Filtering of Audit Log Data.......................................................2-37
Audit Log Data Formats...................................................................................2-38
Integrated HDLM management using Global Link Manager.......................................2-40
Cluster support.....................................................................................................2-41
3 Creating an HDLM Environment............................................................. 3-1
HDLM System Requirements....................................................................................3-3
Host and OS Support for HDLM......................................................................... 3-3
Storage Systems Supported by HDLM................................................................ 3-5
Storage Systems..................................................................................... 3-5
HBA.......................................................................................................3-6
When Handling Intermediate Volumes Managed by Hitachi RapidXchange...3-6
Cluster Software Supported by HDLM.................................................................3-6
Memory and Disk Capacity Requirements........................................................... 3-9
Memory Requirements.............................................................................3-9
Disk Capacity Requirements..................................................................... 3-9
Number of Paths Supported in HDLM...............................................................3-10
Flow for Creating an HDLM Environment.................................................................3-10
Types of HDLM Installation....................................................................................3-11
Notes on Creating an HDLM Environment...............................................................3-12
Notes on Installing HDLM................................................................................3-12
Notes on an Upgrade Installation or Re-installation of HDLM..............................3-12
Notes on the Virtual I/O Server........................................................................3-13
Notes on a License Key...................................................................................3-14
Notes on Trace Files.......................................................................................3-14
Notes on Storage Systems...............................................................................3-15
Notes on the Cluster.......................................................................................3-15
iv
Hitachi Dynamic Link Manager User Guide (for AIX(R))