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SnapScale/RAINcloudOS 4.1 Administrator’s Guide
GL - Master Glossary & Acronym List
MD5 Algorithm
MD5 is a way to verify data integrity, and is much more reliable than checksum and many
other commonly used methods.
MIB
Short for
Management Information Base.
A formal description of a set of network objects that
can be managed using the Simple Network Management Protocol (SNMP). The format of the
MIB is defined as part of SNMP.
Mirroring
Used in RAID 1 and 10, a process of storing data on one disk and copying it to one or more
disks, creating a redundant storage solution. RAID 1 is the most secure method of storing
mission-critical data.
Mounted
A filesystem that is available.
MPIO
Short for
Multipath Input/Output
. A multipath solution built into Microsoft server-grade
iSCSI operating systems.
MTU
Short for
Maximum Transfer Unit
. It is the largest size packet or frame, specified in octets
(eight-bit bytes), that can be sent in a packet- or frame-based network.
NIC
Short for
Network Interface Card
.
A board that provides network communication capabilities
to and from a computer.
NIS
Short for
Network Information Service
. It is a client–server directory service protocol for
distributing system configuration data such as user and host names between computers on a
computer network. Sun Microsystems developed the NIS; the technology is licensed to
virtually all other Unix vendors.
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.
Permissions
A security category, such as no access, read-only, or read-write, that determines what
operations a user or group can perform on folders or files.