Pathlight VX User’s Guide 177
SFP (small form-factor-pluggable)
A hot-swappable input/output device that plugs into an Ethernet port or slot, linking that port with the
network.
SNC (storage networking controller)
ADIC term for a storage networking appliance. The SNC enables high-performance, networked
communications that support intelligence functionality within the Pathlight VX storage system.
SNMP (Simple Network Management Protocol)
The protocol governing network management and the monitoring of network devices and their functions.
SPS (Standby Power Supply)
The component of the Pathlight VX that provides backup power to one of the DPE’s storage processors,
allowing graceful shutdown in case of a power failure.
Storage Processor (SP)
The DPE or AX100SC component that controls access between the disk modules and the rest of the
system.
Switch fabric
A set of point-to-point connections between nodes. One or more Fibre Channel Switches makes each
connection. In Pathlight VX, the Fibre Channel switch supports this particular physical topology.
Target ID
SCSI bus address. See also LUN.
Trap
An SNMP alert sent when predefined conditions are met.
Ultrium
A high capacity implementation of LTO, a type of media.
Virtual library
A system that virtualizes tape drives and libraries. The system makes disk storage appear as if it were a
tape drive or tape library. The system also allows the virtual tape to become actual tape by integration with
physical tape systems.
WWN (World Wide Name)
A unique number assigned by a recognized naming authority. The WWN is integral to Fibre Channel
operations.
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