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SAS disk enclosures connect to Storage CLIMs via SAS cables. For details on cable types, see
“Cable Types, Connectors, Lengths, and Product IDs” (page 93).
Factory-Default Disk Volume Locations for SAS Disk Devices
This illustration shows where the factory-default locations for the primary and mirror system
disk volumes reside in separate disk enclosures:
Configuration Restrictions for Storage CLIMs
The maximum number of logical unit numbers (LUNs) for each CLIM, including SAS disks, ESS
and tapes is 512. Each primary, backup, mirror and mirror backup path is counted in this
maximum.
Use only the supported configurations as described below.
Configurations for Storage CLIM and SAS Disk Enclosures
These subsections show the supported configurations for SAS Disk enclosures with Storage
CLIMs:
• “Two Storage CLIMs, Two SAS Disk Enclosures” (page 58)
• “Two Storage CLIMs, Four SAS Disk Enclosures” (page 59)
Two Storage CLIMs, Two SAS Disk Enclosures
This illustration shows example cable connections between the two Storage CLIM, two SAS disk
enclosure configuration:
58 System Configuration Guidelines