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Next3 is a journaling file system for Linux based on ext3 which adds snapshots support, yet retains compatibility to the ext3 on-disk format. Next3 is implemented as open-source software, licensed under the GPL license.
Features, Background & Next4
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file snapshots system space linux data ext3 snapshot allocated files compatibility needed systems open-source storage on-disk software directory max features
| Subject | Predicate | Object | Confidence | Src |
|---|---|---|---|---|
| Next3 | Allowed filename characters | All bytes except NULL and '/' | 1.00 | infobox |
| Next3 | Attributes | No-atime, append-only, synchronous-write, no-dump, h-tree (directory), immutable, journal, secure-delete, top (directory), allow-undelete | 1.00 | infobox |
| Next3 | Bad blocks | Table | 1.00 | infobox |
| Next3 | Data deduplication | No | 1.00 | infobox |
| Next3 | Date range | December 14, 1901 – January 18, 2038 | 1.00 | infobox |
| Next3 | Date resolution | 1s | 1.00 | infobox |
| Next3 | Dates recorded | modification (mtime), attribute modification (ctime), access (atime) | 1.00 | infobox |
| Next3 | Developer | CTERA Networks | 1.00 | infobox |
| Next3 | Directory contents | Table, hashed B-tree with dir_index enabled | 1.00 | infobox |
| Next3 | File allocation | bitmap (free space), table (metadata), snapshots are allocated as files from the volume free space | 1.00 | infobox |
| Next3 | File system permissions | Unix permissions, ACLs and arbitrary security attributes (Linux 2.6 and later) | 1.00 | infobox |
| Next3 | Introduced | May 2010; 16 years ago (2010-05) with Linux 2.6 | 1.00 | infobox |
| Next3 | Max file size | 2 TB | 1.00 | infobox |
| Next3 | Max filename length | 254 bytes[citation needed] | 1.00 | infobox |
| Next3 | Max no. of files | Variable, allocated at creation time | 1.00 | infobox |
| Next3 | Max volume size | 2 TB – 16 TB | 1.00 | infobox |
| Next3 | Partition IDs | 0x83 (MBR) EBD0A0A2-B9E5-4433-87C0-68B6B72699C7 (GPT) | 1.00 | infobox |
| Next3 | Supported operating systems | Linux | 1.00 | infobox |
| Next3 | Transparent compression | No | 1.00 | infobox |
| Next3 | Transparent encryption | No (provided at the block device level) | 1.00 | infobox |
| Next3 | is a | journaling file system for Linux based on ext3 which adds snapshots support | 0.90 | text |
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