Darren J Moffat wrote:
eric kustarz wrote:
So it seems to me that having this feature per-file is really useful.
Per-file with a POSIX filesystem is often not that useful. That is
because many applications (since you mentioned a presentation
StarOffice I know does this) don't update the file in place. Instead
they write a temporary file on the same file system in the same
directory then do an unlink(2) and rename(2).
That's too bad, but i guess its the best StarOffice can do.
So that means what you really need to say is per directory, which for
ZFS you may as well implement as per data set.
I want per pool, per dataset, and per file - where all are done by the
filesystem (ZFS), not the application. I was talking about a further
enhancement to "copies" than what Matt is currently proposing - per file
"copies", but its more work (one thing being we don't have
administrative control over files per se).
eric
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