
Remote support features ....................26
Extension cords .......................28
Adapter features ........................29
SCSI host adapters ......................30
Fibre-channel host adapters ...................30
ESCON host-adapters .....................30
Device adapters .......................30
Reserved loops........................31
Memory capacity features .....................31
Physical configuration features and options ..............31
DDM cages and 8 packs ....................32
Physical configuration options ..................32
ESS storage on demand ....................34
Feature codes and requirements for attaching 7133 drawers ........36
Connection hardware ......................37
SCSI host cables .......................37
Fibre-channel cables......................38
ESCON host cables ......................38
Remote-power-control attachment cables ..............39
Language for the operator panel ..................39
Configuration changes ......................40
Optional one-year warranty ....................40
Licensed internal code and optional software..............40
Parallel Access Volumes (PAV) ..................40
ESS Copy Services ......................40
Guidelines for enabling and using ESS Web Copy Services .......41
Planning ESS Copy Services configuration .............45
IBM Subsystem Device Driver ..................46
Chapter 3. Installation planning ..................49
Equipment requirements .....................49
Engineering changes.......................50
Site requirements for the ESS ...................50
Service clearance and floor-loading requirements for the ESS ......55
Planning for installation of the ESSNet ...............57
Power requirements .......................58
Input voltages and frequencies ..................58
Power consumption and environmental information ..........58
Cooling requirements .....................59
Operating environment ......................59
Power on environment .....................59
Power off and storage environments ................60
Recommended storage points or ranges ..............60
Energy saving law.......................60
Power cable and power connector requirements ............60
Power cable connectors ....................61
Outlet power for the extension cord ................63
Remote service connection ...................63
Chapter 4. Planning for communication ...............65
Communication overview .....................65
Guidelines for completing the Communication Resources work sheet .....65
Communications for ESS Web Copy Services .............73
Disaster Recovery Considerations for Copy Services ..........76
Chapter 5. Planning data migration ................79
iv ESS Introduction and Planning