System Fan Trays; Alom System Controller Card; Hardware Disk Mirroring And Striping; Predictive Self-Healing - Sun Microsystems Sun Fire V445 Server Administration Manual

System Fan Trays

The system is equipped with six fan trays organized into three redundant pairs. One
redundant pair is for cooling the disk drives. The other two redundant pairs are for
cooling the CPU/Memory modules, memory DIMMs, I/O subsystem, and provide
front-to-rear cooling of the system. Not all fans must be present to provide adequate
cooling – only one fan per redundant pair must be present.
Note – All system cooling is provided by the fan trays – power supply fans do not
provide system cooling.
See "About the System Fan Trays" on page 92 for details.

ALOM System Controller Card

The Sun ALOM system controller card enables system management and
administration for the Sun Fire V445 server over a serial line or an Ethernet network.
The ALOM system controller provides remote system administration for
geographically distributed or physically inaccessible systems. These features include
powering on/off the system and enabling diagnostics. The firmware installed on the
ALOM system controller card enables you to monitor the system, without having to
install any supporting software.
The ALOM system controller card runs independently of the host system, and
operates off of standby power from the systems power supplies. This allows the
ALOM system controller to serve as a lights out management tool that continues to
function even when the server operating system goes offline or when the server is
powered off.

Hardware Disk Mirroring and Striping

The SAS controller supports hardware disk mirroring and striping (RAID 0,1)
capabilities for all internal disk drives, resulting in improved disk drive
performance, data integrity, data availability, and fault recovery.

Predictive Self-Healing

Sun Fire V445 servers with Solaris 10 or later feature the latest fault management
technologies. With Solaris 10, Sun introduces a new architecture for building and
deploying systems and services capable of predictive self-healing. Self-healing
6 Sun Fire V445 Server Administration Guide • September 2007