DS4700 Express Storage Subsystem drive cabling rules and recommendations . . . . . . . . . . . . . . . . . . . . . 78

One DS4700 Express and one EXP100 storage expansion enclosure. . . 80

One DS4700 Express and two EXP100 storage expansion enclosures

 

81

One DS4700 Express and three or more EXP100 storage expansion

 

 

enclosures

.

82

One DS4700 Express and one EXP710 storage expansion enclosure. . . 85

One DS4700 Express and two EXP710 storage expansion enclosures

 

85

One DS4700 Express and three or more EXP710 storage expansion

 

 

enclosures

.

86

One DS4700 Express and one EXP810 storage expansion enclosure. . . 89

One DS4700 Express and two EXP810 storage expansion enclosures

 

89

One DS4700 Express and three or more EXP810 storage expansion

 

 

enclosures

.

90

One DS4700 Express and two or more storage expansion enclosures in a mixed configuration . . . . . . . . . . . . . . . . . . . . 94

Storage expansion enclosure settings

. . . .

.

97

Fibre channel loop and ID settings

. . . .

.

97

DS4000 storage expansion enclosure ID settings

. . . .

.

97

Intermixing storage expansion enclosures in the same drive loop .

. . . .

.

99

Connecting secondary interface cables

. . . .

.

100

Configuring the storage subsystem

. . . .

.

101

Storage subsystem management methods

. . . .

.

101

Host-agent(in-band) management method

. . . .

.

102

Direct (out-of-band) management method

. . . .

.

102

Connecting hosts to the DS4700 Express

. . . .

.

104

Fibre channel connections

. . . .

.

107

Fibre channel host loop configurations

. . . .

.

107

Redundant host and drive loops

. . . .

.

108

Installing the storage subsystem configuration

. . . .

.

110

Cabling the ac power supply for ac models

. . . .

.

111

Cabling the dc power supply for dc models

. . . .

.

111

Single-level redundant dc cabling

. . . .

.

112

Dual-level redundant dc cabling

. . . .

.

113

Chapter 4. Operating the storage subsystem

. . . .

.

117

Performing the DS4000 Health Check process

. . . .

.

117

Web pages . . . . . . . . . . . . . . . . . . . . . . . . . 118 Hardware responsibilities . . . . . . . . . . . . . . . . . . . . 118

Powering on the storage subsystem

.

119

Turning on the storage subsystem

.

119

Installing the DS4000 Storage Manager client

.

121

Monitoring status through software

.

122

Finding controller, storage expansion enclosure, and drive information

 

123

Firmware updates . . . . . . . . . . . . . . . . . . . . . . 124

Troubleshooting the storage subsystem

. . . . . . .

.

124

Checking the LEDs

. . . . . . .

.

125

AC power supply and fan unit LEDs

. . . . . . .

.

126

DC power supply and fan unit LEDs

. . . . . . . . 126

Front LEDs . . . . . . . . . . . . . . . . . . . . . . . . . 127

Battery unit LEDs

. . . . . . .

.

128

Controller LEDs

. . . . . . .

.

129

Seven-segment numeric display LEDs

. . . . . . .

.

132

Powering off the storage subsystem

. . . . . . .

.

133

Turning off the storage subsystem

. . . . . . .

.

134

Performing an emergency shutdown

. . . . . . .

.

136

Contents v

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Image 7
IBM DS4700 manual Operating the storage subsystem