Overland Storage SnapSAN S2000 User Manual page 236

SnapSAN S2000 User Guide
NTFS
Short for New Technology File System. The standard file system used by Windows NT
and later versions of the Windows operating system.
NTP
Short for Network Time Protocol. A protocol for synchronizing the system clocks of
computers over a packet-switched network.
NVRAM
Abbreviation of Non-Volatile Random Access Memory, a type of memory that retains
its contents when power is turned off.
Port Name
This is an eight-byte hexadecimal number, uniquely identifying a single host
port. It incorporates the World Wide Name and two additional bytes that are used to
specify the format and indicate the port number.
Portal
A target's IP address together with its TCP port number.
Preferred Path
The preferred path is the default path. When the path selection policy is set to
Failover/Failback, the preferred path is always used if it is available. If the preferred
path fails, I/O switches to another path. If it is later restored, I/O switches back to the
preferred path.
PTP
Short for Point-to-Point. PTP is the common mode of attachment to a single host. PTP
is sometimes used to attach to a Fibre Channel switch for
RETMA
Short for Radio-Electronics-Television Manufacturers' Association. It is the common
name given for a 19-inch distribution frame rack for mounting components.
Round Robin
The Round Robin path selection policy causes all healthy paths to be used for I/O.
Paths are used in a round-robin order.
Router
A router is a device that enables connectivity between Ethernet network segments.
SAN
Short for Storage Area Network. Data storage connected to a network that provides
network clients access to data using block level protocols. To the clients, the data
storage devices appear local rather than remote. An iSCSI SAN is sometimes referred
to as an IP-SAN.
10400277-004 07/2011
©2010-11 Overland Storage, Inc.
HBA
SAN connectivity.
GL-7