Linear Tape File System
E854382
Linear Tape File System (LTFS) is an open file system specification that allows data stored on tape media to be accessed and managed like files on a disk, using a standard directory and file structure.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Linear Tape File System canonical | 3 |
| SNIA LTFS Technical Position Papers | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T10307371 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Linear Tape File System Context triple: [HPE StoreEver, supportsStandard, Linear Tape File System]
-
A.
DECtape
DECtape was a durable, random-access magnetic tape storage medium widely used on early Digital Equipment Corporation minicomputers for both data and program storage.
-
B.
Veritas File System (in some versions)
Veritas File System (VxFS) is a high-performance, journaling file system developed by Veritas (later Symantec) widely used in enterprise UNIX environments for advanced storage and data management features.
-
C.
File Allocation Table
The File Allocation Table (FAT) is a simple, widely used file system architecture that tracks the allocation and organization of files on disk storage, commonly employed in older and removable storage devices.
-
D.
Lisa File System
Lisa File System is the proprietary disk file system developed by Apple for its early Lisa computer, featuring a hierarchical directory structure and advanced metadata for its time.
-
E.
Avamar
Avamar is EMC Corporation’s enterprise data backup and recovery software solution known for its source-based data deduplication technology.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Linear Tape File System Target entity description: Linear Tape File System (LTFS) is an open file system specification that allows data stored on tape media to be accessed and managed like files on a disk, using a standard directory and file structure.
-
A.
DECtape
DECtape was a durable, random-access magnetic tape storage medium widely used on early Digital Equipment Corporation minicomputers for both data and program storage.
-
B.
Veritas File System (in some versions)
Veritas File System (VxFS) is a high-performance, journaling file system developed by Veritas (later Symantec) widely used in enterprise UNIX environments for advanced storage and data management features.
-
C.
File Allocation Table
The File Allocation Table (FAT) is a simple, widely used file system architecture that tracks the allocation and organization of files on disk storage, commonly employed in older and removable storage devices.
-
D.
Lisa File System
Lisa File System is the proprietary disk file system developed by Apple for its early Lisa computer, featuring a hierarchical directory structure and advanced metadata for its time.
-
E.
Avamar
Avamar is EMC Corporation’s enterprise data backup and recovery software solution known for its source-based data deduplication technology.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
file system specification
ⓘ
open standard ⓘ tape file system ⓘ |
| abbreviation | LTFS ⓘ |
| accessModel |
file-based access
ⓘ
self-describing tape format ⓘ |
| category |
computer file systems
ⓘ
data storage technology ⓘ magnetic tape storage ⓘ |
| compatibleWith | POSIX-like file operations ⓘ |
| dataLocation | data partition ⓘ |
| developedBy | IBM ⓘ |
| documentation |
SNIA LTFS Technical Position Papers
ⓘ
linked to:
Linear Tape File System
|
| enables | mounting tape as a file system ⓘ |
| feature |
data partition on tape
ⓘ
drag-and-drop file operations ⓘ index partition on tape ⓘ platform-independent format ⓘ random file access on tape ⓘ self-contained metadata on tape ⓘ standard directory structure ⓘ standard file structure ⓘ |
| goal |
enable open interchange of tape cartridges
ⓘ
improve tape usability ⓘ make tape usage similar to disk usage ⓘ |
| hasSpecification |
SNIA LTFS Format Specification
ⓘ
linked to:
LTFS
|
| introduced | around 2010 ⓘ |
| license | open specification ⓘ |
| metadataLocation | index partition ⓘ |
| relatedStandard |
LTO-5
ⓘ
linked to:
Linear Tape-Open
LTO-6 ⓘ
linked to:
LTO Consortium
LTO-7 ⓘ
linked to:
LTO Consortium
LTO-8 ⓘ
linked to:
LTO Consortium
|
| requires | LTFS-compliant driver or software ⓘ |
| standardizedBy |
SNIA
ⓘ
Storage Networking Industry Association ⓘ
linked to:
SNIA
|
| storageMedium | magnetic tape ⓘ |
| supports |
cross-platform data exchange
ⓘ
file and directory creation ⓘ file and directory deletion ⓘ file and directory renaming ⓘ |
| supportsMedium |
LTO
ⓘ
linked to:
Linear Tape-Open
Linear Tape-Open ⓘ |
| useCase |
archival storage
ⓘ
data interchange between systems ⓘ long-term data preservation ⓘ media and entertainment workflows ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: Linear Tape File System Description of subject: Linear Tape File System (LTFS) is an open file system specification that allows data stored on tape media to be accessed and managed like files on a disk, using a standard directory and file structure.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Linear Tape File System