HP NonStop G-Series - Manual (Page 32)

Nomadic Disk Hardware and Software
ServerNet Nomadic Disk (Release 2) User’s Guide — 523968-001
2 -8
Extended and Switched Configuration
Extended and Switched Configuration
Figure 2-4 shows the hardware used in an extended and switched Nomadic disk
configuration.
Table 2-4 lists the additional hardware required to provide fiber-optic switching for a
system configuration that contains two processor enclosures (nodes).
Figure 2-4. Extended and Switched Internal Disk Drive Configuration
VST203.vsd
* SWAN 2 or SWAN concentrators can be used.
\PRI
Processor
Enclosure
MSEB
IOMF 2 IOMF 2
\PRI I/O
Enclosure
46xx Disk Drives**
** Nomadic Disk subsystem is configured with either 46xx internal disk drives or
45xx external disk drives, but not both.
E4SA
SWAN* SWAN*
\BCK
Processor
Enclosure
MSEB
E4SA
E4SA
IOMF 2 IOMF 2
\BCK I/O
Enclosure
46xx Disk Drives**
SWAN* SWAN*
SEM SEM
SEM SEM
SEM SEM
SEM SEM
SM SM
Primary Site Backup Site
MSEB
MSEB
E4SA