Contents PART I OVERVIEW-------------------------------------------------------------------------------------------------------------------- I-1
Chapter 1 Overview of NEC Storage PathManager --------------------------------------------------------------------------I-2
1.1 About NEC Storage PathManager------------------------------------------------------------------------------------------- I-2
1.2 Configuration of NEC Storage PathManager ------------------------------------------------------------------------------ I-3
1.3 System configuration ----------------------------------------------------------------------------------------------------------I-4
PART II INSTALLATION---------------------------------------------------------------------------------------------------------- II-1
Chapter 2 Installing NEC Storage PathManager ----------------------------------------------------------------------------II-2
2.1 Operating environment -------------------------------------------------------------------------------------------------------II-2
2.2 Setup ---------------------------------------------------------------------------------------------------------------------------- II-2
PART III FUNCTIONS--------------------------------------------------------------------------------------------------------------III-1
Chapter 3 Functions of NEC Storage PathManager----------------------------------------------------------------------- III-2
3.1 Path state display------------------------------------------------------------------------------------------------------------- III-2
3.2 Path control ------------------------------------------------------------------------------------------------------------------- III-7
3.3 Load balancing ------------------------------------------------------------------------------------------------------------- III-12
3.4 Cluster liaison--------------------------------------------------------------------------------------------------------------- III-15
3.5 Path patrol------------------------------------------------------------------------------------------------------------------- III-16
3.6 Failure avoidance and failure recovery --------------------------------------------------------------------------------- III-20
3.7 Log extraction -------------------------------------------------------------------------------------------------------------- III-24
3.8 Message(ESMPRO liaison)----------------------------------------------------------------------------------------------- III-27
PART IV OPERATION------------------------------------------------------------------------------------------------------------- IV-1
Chapter 4 Operating NEC Storage PathManager --------------------------------------------------------------------------IV- 2
4.1 Operation in normal state ---------------------------------------------------------------------------------------------------IV-2
4.2 Handling abnormalities------------------------------------------------------------------------------------------------------ IV-9
APPENDIX--------------------------------------------------------------------------------------------------------------------------------------1
Appendix A spscmd ------------------------------------------------------------------------------------------------------------------------- 2
Index---------------------------------------------------------------------------------------------------------------------------------------------- 6
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