Sun Microsystems Sun StorEdge T3 - Manual (Page 77)

65
Glossary
A
administrative
domain Partner groups (interconnected controller units) that share common
administration through a master controller.
alternate master
controller unit Also called “alternate master unit,” the secondary array unit in a partner group
that provides failover capability from the master controller unit.
Alternate Pathing
(AP) A mechanism that reroutes data to the other array controller in a partner group
upon failure in the host data path. Alternate Pathing requires special software
to perform this function.
auto cache mode The default cache mode for the Sun StorEdge T3 and T3+ array. In a fully
redundant configuration, cache is set to write-behind mode. In a nonredundant
configuration, cache is set to write-through mode. Read caching is always
performed.
auto disable The Sun StorEdge T3 and T3+ array default that automatically disables a disk
drive that has failed.
B
buffering Data that is being transferred between the host and the drives.