Pedestal Components
The major components in the pedestal subsystem include:
■
■Two
■Environmental Monitor Unit (EMU)
■Two universal 50/60 Hz, 120 or 240 VAC power supplies
■Separate
StorageWorks Building Blocks (SBBs)
The pedestal has seven
RAID Array Controller
The controller contains two wide,UltraSCSI differential host channels and two wide, UltraSCSI
The controller supports one or two standard
32 MB. In a redundant controller setup, both controllers must have identical cache configurations and the total usable cache (per controller) will be half the amount installed. Thus, in a single controller setup, the maximum usable cache is 64 MB while a redundant setup has a maximum usable cache of 32 MB (per controller).
The RAID Array controller contains the following features:
■Single PCB form factor for inclusion in the enclosure
■Support for dual
■Dual differential
■Dual
■RAID level 0, 1, 0+1, 4, 5, and JBOD support
■EMU support
■Cluster support for Windows