Configuration Rules

A P P E N D I X A

Configuration Rules

This appendix provides configuration rules for the Sun StorageTek SAS RAID External HBA.

Note - Use only Sun-approved devices and cabling with the Sun StorageTek SAS RAID External HBA.

The appendix contains the following sections:

Target Devices

Cabling

Target Devices

The following rules apply for supported target devices:

Enclosures:

SAS/SATA JBODs

SAS/SATA JBODs with SES-2 enclosure management support

Sun Storage J4500 JBODs - Maximum of two per HBA (one on each wideport) or two cascading per HBA (two cascaded down one wideport)

Sun Storage J4200 JBODs - Maximum of eight cascading per HBA (four cascaded down each wideport)

SAS/SATA HDDs:

128 HDDs maximum per HBA via SAS expander

Note - Mixing SATA and SAS HDDs in the same logical RAID array is not supported. Although it is not an unsupported configuration, it is also highly recommended that SAS and SATA HDDs not be mixed in the same enclosure.

Cabling

SAS external cable with SFF-8088 host-side connector (provided with your system)

Maximum recommended length of 6 meters