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Online SNIA Dictionary
[General]
Shorthand for 1,180,591,620,717,411,303,424 (270) bits.
Binary notation is most commonly used for semiconductor memory sizes.
See also Zettabit.
[General]
Shorthand for 1,180,591,620,717,411,303,424 (270) bytes.
Binary notation is most commonly used for semiconductor memory sizes.
See also Zettabyte.
[Data Security]
The process of filling unused storage locations in an information system with the value of 0.
[Data Security]
A previously unknown vulnerability to the vendor that may or may not have been exploited by malware.
[File System]
The process of writing zeroes (0x00) to all the bytes in a block or an entire disk before delivering it for use, or upon its release from use.
Zeroing renders any data formerly stored on the block or device inaccessible except by forensic means such as magnetic force microscopy and other techniques that physically scan the storage media.
[General]
Shorthand for 1,000,000,000,000,000,000,000 (1021) bits.
The SNIA uses the base 10 convention commonly found in I/O-related and scientific literature rather than the base 2 convention (1,180,591,620,717,411,303,424, i.e., 270) common in computer system and software literature.
See also Zebibit.
[General]
Shorthand for 1,000,000,000,000,000,000,000 (1021) bytes.
The SNIA uses the base 10 convention commonly found in I/O-related and scientific literature rather than the base 2 convention (1,180,591,620,717,411,303,424, i.e., 270) common in computer system and software literature.
See also Zebibyte.
[Fibre Channel] [Storage System]
[Storage System] A group of sectors on an HDD that uses SMR that must be written sequentially.
[Fibre Channel] A collection of Fibre Channel N_Ports and/or NL_Ports (i.e., device ports) that are permitted to communicate with each other via the fabric.
Any two N_Ports and/or NL_Ports that are not members of at least one common zone are not permitted to communicate via the fabric. Zone membership may be specified by: 1) port location on a switch, (i.e., Domain-ID and port number); or, 2) the device's N-Port-Name; or, 3) the device's address identifier; or, 4) the device's Node_Name. Well-known addresses are implicitly included in every zone.
A method of subdividing a storage area network into disjoint zones, or subsets of nodes on the network.
Storage area network nodes outside a zoneexcept those with well-known addressesare invisible to nodes within the zone. Moreover, with switched SANs, traffic within each zone may be physically isolated from traffic outside the zone.
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