The following specifications outline the performance capabilities, journalling and snapshot functionality, and the various storage capacities provided by OmniTraak for network attached storage (NAS).
| Maximum volume size |
64 billion terabytes (276) |
| Block size |
4096 (212) |
| Fragment size |
NA |
| Disk space overhead |
less than 3% |
| Minimum free space |
32KB |
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| Maximum file size |
16 million terabytes (264) |
| Sparse files |
Yes |
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| Journaling |
Yes (both metadata and user data) |
| NFS/SPEC stable storage |
Yes |
| Restart time - clean shutdown |
4 seconds typical |
| Restart time - power failure |
4 seconds typical |
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| Maximum expansion segments |
120 |
| Maximum segment size |
64 thousand terabytes (256) |
| Streaming I/O segment |
optional |
| Separate journal device |
optional |
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| User ID (UID) |
232 |
| Group ID (GID) |
232 |
| Allotment ID (GID) |
232 |
| User quotas |
Yes |
| Group quotas |
Yes |
| Allotment quotas |
Yes (advanced tree quotas) |
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| Hard links |
Yes |
| Symbolic links |
Yes |
| Device nodes |
Yes |
| Pipes/sockets |
Yes |
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| Maximum file name size |
255 characters |
| Maximum entries per directory |
1,000,000 |
| Maximum subdirs per directory |
1,000,000 |
| Maximum link count |
232 |
| Maximum symbolic link size |
4096 |
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| Maximum number of snapshots |
240 |
| Snapshot loading |
none |
| Snapshot creation time |
50ms typical |
| Snapshot delete time |
variable |
