Copy on Write
Novell Cool Solutions: Question & Answer
Posted: 12 Aug 2002
Q:
AB wrote: How does the Copy on Write feature in NetWare 6 for NSS drives function? Does it copy when a write is performed or copy when the file is first opened (i.e. copy on open)?
A:
The latter -- it is copied as the file is opened with a Write call. Consequently if a file is kept permanently open for write (such as a database) and is never closed, File Copy on Write isn't very useful. See TID 10061495.
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