HP XP7 Storage User Manual

Page 3

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Contents

1 Overview..................................................................................................9

About RAID Manager...............................................................................................................9
RAID Manager functions............................................................................................................9

RAID Manager functions matrix.............................................................................................9
Provisioning function...........................................................................................................10
Asynchronous command processing.....................................................................................10
Command execution modes................................................................................................11
Precheck function...............................................................................................................11
Command execution by the out-of-band method.....................................................................12
User authentication............................................................................................................13
LDEV nickname function......................................................................................................13
LDEV grouping function......................................................................................................14
Resource group function......................................................................................................14
Resource locking function....................................................................................................14
In-system replication...........................................................................................................14
Remote replication.............................................................................................................14
Data protection..................................................................................................................15

2 RAID Manager software environment..........................................................16

Overview of the RAID Manager software environment.................................................................16
RAID Manager components on the RAID storage system..............................................................16

Command device...............................................................................................................16

Command device guarding............................................................................................17
Alternate command device function.................................................................................18
Define the remote command device.................................................................................19

RAID Manager and the SCSI command interface...................................................................19

Command competition...................................................................................................20
Command flow.............................................................................................................20
Issuing commands for LDEVs within a LUSE device.............................................................21

RAID Manager instance components on the host server...............................................................21

HORCM operational environment........................................................................................21
RAID Manager instance configurations.................................................................................22
Host machines that can be paired........................................................................................24
Configuration definition file.................................................................................................25

Overview.....................................................................................................................25
Configuration definition file settings.................................................................................27

Configuration definition for cascading volume pairs...............................................................35

Configuration file and mirror descriptors...........................................................................36
Cascading connection and configuration files...................................................................37
Business Copy..............................................................................................................37
Cascading connections for Continuous Access Synchronous and Business Copy....................38

RAID Manager software files....................................................................................................41

RAID Manager files supplied with the software......................................................................41

RAID Manager files for UNIX-based systems.....................................................................41
RAID Manager files for Windows-based systems...............................................................42
RAID Manager files for OpenVMS-based systems..............................................................44

RAID Manager log and trace files.............................................................................................45

RAID Manager log files......................................................................................................45
RAID Manager trace files....................................................................................................47
RAID Manager trace control command.................................................................................47
Command logging for audit................................................................................................47

Logging other than raidcom command.............................................................................47

Contents

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