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HP Surestore Disk Array FC60 HP SureStore E Disk Array 12H User's and Service - Page 240

Add rail kits, Add power cables and SCSI cables, Back-to-Back Array Density

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Appendix D. Back-to-Back Racking Installation 3. Add rail kits The upgrade requires enough rail kits (part C2788A) to accommodate the number of disk storage enclosures to be racked. A 2.0 meter rack requires three rail kits, and a 1.6 meter rack requires two rail kits. If the rack is completely filled with front-racked disk storage enclosures, then no additional rail kits are required. 4. Add power cables and SCSI cables The upgrade requires ordering enough power and SCSI cables to serve all installed disk enclosures. Standard HP power cables (8120-6514) will meet all power cable requirements. Standard HP SCSI cables will meet all SCSI cable requirements. 5. Back-to-Back Array Density Depending on whether service accessibility is available through the side of the rack or not, determines the number of disk arrays that can be installed. Side access requires that the facility housing the racks allow HP service personnel sufficient room at either side of the rack. This space should be approximately 2 feet. This clearance will allow HP service personal to remove the side panel of the rack and gain access to the components inside. If side access is not possible, then the capacity of backto-back racking is reduced. Refer to Figure 49. 240 Racking

Section	Page
Table of Contents	3
Product Description	9
Models and Configurations Available	9
Options	10
Available Accessories	13
Unpacking and Repackaging the Disk Array	14
Product Features	16
Connecting Power Cords	20
Installing Modules	20
Controller Module	22
SCSI Cabling Requirements	25
Connecting SCSI Cabling	25
Fibre Channel (FC) SCSI Multiplexer (MUX) Connection	32
Switching Power On	32
Switching Power Off	32
HP SureStore E Disk Array 12H Controller	33
About Battery Packs	33
Installing Controller Batteries	34
Replacing Controller Batteries	36
Downloading Array Controller Firmware	37
Firmware Download Procedure	39
Operating the Control Panel	69
Using the Control Panel	69
Control Panel Status Light Operation	70
Using the Control Panel Buttons	71
Using Control Panel Menus	75
Concepts and Management	83
Disk Arrays in Brief	83
Disk Array Features	84
Disk Array Hardware	93
Managing the Disk Array Capacity	100
Upgrading the Capacity of a Fully-Loaded Disk Array	104
Optimizing Performance	105
Troubleshooting	113
Module Slot Numbers	113
Module Status Lights	113
Replacing Modules	115
Troubleshooting Procedures	119
Power On Sequence Test	121
Control Panel Error Messages	123
FRU Codes	133
Event Code Descriptions	134
Preventive Maintenance	189
Tools Required	189
Required Preventive Maintenance	189
Removal and Replacement	191
Tools Required	191
Replacing a Failed Controller ModuleŒHP-qualified personnel only	191
Front Door AssemblyŒHP-qualified personnel only	192
Display ModuleŒHP-qualified personnel only	194
Backplane AssemblyŒHP-qualified personnel only	196
Power Button and Push RodŒHP-qualified personnel only	200
AC Power ReceptacleŒHP-qualified personnel only	201
Module Cam LeverŒHP-qualified personnel only	203
Replaceable Part Numbers	205
Appendix A. Product Specifications	211
Enclosure Physical Specifications	211
Operating Characteristics and Requirements	212
Environmental Requirements	213
Enclosure Features	215
Module Specifications	216
Appendix B. Regulatory/Safety Statements	217
FCC Statement (For U.S.A. Only)	217
Spécification ATI Classe A (France Seulement)	219
Product Noise Declaration (For Germany Only)	220
Geräuschemission (For Germany Only)	220
Electromagnetic Compatibility	221
Safety Specifications	221
Declaration of Conformity	222
Appendix C. Cabinet Configurations	223
Cabinet Configurations Available	223
Deskside Cabinet	223
Unpacking the Deskside Cabinet	224
Installing the Disk Array into the Deskside Cabinet	226
Deskside Cabinet Cabling	228
Rackmount Cabinets	229
Appendix D. Back-to-Back Racking	235
Product Description	235
Installation	239
Installation Procedure	242
Troubleshooting	252
Problem Resolution	255
Removal and Replacement	257
Specifications	258
Frequently-asked Questions	259

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Appendix D. Back-to-Back Racking

Installation

240

Racking

3. Add rail kits

The upgrade requires enough

rail kits

(part C2788A) to accommodate the number of disk storage

enclosures to be racked.

A 2.0 meter rack requires three rail kits, and a 1.6 meter rack requires two rail kits.

If the rack is completely filled with front-racked disk storage enclosures, then no additional rail kits are

required.

4. Add power cables and SCSI cables

The upgrade requires ordering enough power and SCSI cables to serve all installed disk enclosures.

Standard HP power cables (8120-6514) will meet all power cable requirements.

Standard HP SCSI cables will meet all SCSI cable requirements.

5. Back-to-Back Array Density

Depending on whether service accessibility is available through the side of the rack or not, determines

the number of disk arrays that can be installed.

Side access requires that the facility housing the racks

allow HP service personnel sufficient room at either side of the rack. This space should be

approximately 2 feet. This clearance will allow HP service personal to remove the side panel of the

rack and gain access to the components inside. If side access is not possible, then the capacity of back-

to-back racking is reduced. Refer to

Figure 49