42
SPARC Enterprise T2000 Server Administration Guide • April 2007
For more information about the
showfaults
command, refer to the ALOM CMT
guide for your server.
▼
To Display System Fault Information
●
At the
sc>
prompt type:
Multipathing Software
Multipathing software lets you define and control redundant physical paths to I/O
devices, such as storage devices and network interfaces. If the active path to a device
becomes unavailable, the software can automatically switch to an alternate path to
maintain availability. This capability is known as
automatic failover
. To take
advantage of multipathing capabilities, you must configure the server with
redundant hardware, such as redundant network interfaces or two host bus adapters
connected to the same dual-ported storage array.
For the SPARC Enterprise T2000 Server, three different types of multipathing
software are available:
■
Solaris IP Network Multipathing software provides multipathing and
load-balancing capabilities for IP network interfaces.
■
VERITAS Volume Manager (VVM) software includes a feature called Dynamic
Multipathing (DMP), which provides disk multipathing as well as disk load
balancing to optimize I/O throughput.
■
Sun StorEdge™ Traffic Manager is an architecture fully integrated within the
Solaris OS (beginning with the Solaris 8 release) that enables I/O devices to be
accessed through multiple host controller interfaces from a single instance of the
I/O device.
For More Information
For instructions on how to configure and administer Solaris IP Network
Multipathing, consult the
IP Network Multipathing Administration Guide
provided
with your specific Solaris release.
sc>
showfaults –v
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