Episode filesystem
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Episode is a POSIX compliant file system most commonly known for its use in DCE/DFS file servers. It was designed to achieve the goals of portability, scaling, and to make more efficient use of available system bandwidth. It used a variety of methods to achieve these goals, one of which was its use of metadata logging, designed to enhance the file system's performance.
| Developer(s) | Transarc |
|---|---|
| Full name | Episode |
| Introduced | 1992 |
| Structures | |
| Directory contents | 8KB blocks with hash table |
| File allocation | inode-based |
| Limits | |
| Max filename length | 256 bytes |
| Features | |
| Forks | No |
| Attributes | POSIX |
| File system permissions | POSIX ACLs |
| Transparent compression | No |
| Transparent encryption | No |
| Other | |
| Supported operating systems | AIX, Solaris, z/OS |
The Episode file system is the basis for the IBM z/OS POSIX-compatible file system called zFS.[1]