HP XP20000XP24000 Disk Array - Manual (Page 34)

SSID storage subsystem ID
SVP service processor
TCP/IP transmission control protocol/internet protocol
TID target ID
Trap
An SNMP agent initiates trap operations when R-SIMs occur in order
to send the R-SIMs to the SNMP manager. An SNMP agent can be
configured to deliver traps to more than one SNMP manager.
UCB unit control block
Volser
volume serial number (mainframe volume identifier, not related to the
LDEV ID)
VMA volume management area
Worldwide Name, which is a unique identifier for a particular open-system
WWN host, consisting of a 64-bit physical address (the IEEE 48-bit format with
12-bit extension and 4-bit prefix)
34 Glossary, Acronyms, and Abbreviations