Hi,
we need to rename some data volumes, but they tend to be busy most of
the time, so I did some experiments with 'vos rename' and 'fs mkmount'
etc.
As expected, most clients get an error if the vos rename has happened, but
not the rmmount/mkmount/release (since the mount points are replicated).
However, a client with an open file on the volume seemed to be fine and
continued to work after rename, and even reported the correct voluume name
to 'fs lq'.
I tried two tests:
- hold a file open for writing and append lines. Most or all of the
activity would be to the local cache.
- repeatedly open/append/close a file. I assume this pushed it out to
the fileserver. This also worked without error.
Given this, is it safe to rename active volumes ?. I can't figure out how
the active clients get this right.
Thanks,
Richard
--
Richard Brittain, Research Computing Group,
Computing Services, 37 Dewey Field Road, HB6219
Dartmouth College, Hanover NH 03755
[email protected] 6-2085
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