This article is from the storage FAQ part2, by Rodney D. Van Meter with numerous contributions by others.
(info about non-Unix large FSes also welcome; SHMO)
OpenVMS (any version) supports 2TB files (32-bit unsigned block
number, 9-bit offset) through its RMS interface (still limited to 2GB
through the C run-time library), but file systems are limited to ~7GB
(as of Open AXP 1.5 and OpenVMS VAX 6.0 the max volume size has been
bumped to 1 TB). (from a friend, rdv, 94/8/26, and Rod Widdowson,
Filesystems group, OpenVMS engineering, Scotland).
 
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