What NetApp does when sharing files between Windows and UNIX
Richard Sharpe
rsharpe at ns.aus.com
Mon Jul 8 12:05:04 GMT 2002
Hi,
Some of us were discussion how NetApp handles file names etc, esp when
sharing. Their on-line docs suggest that they install 8,3 names in the
file system when an ambiguity occurs for CIFS.
I created a file foo.c and Foo.c under UNIX.
What I got under Windows was foo.c and FOO~1.C. That second name was
persistent, because when I removed foo.c, FOO~1.C stayed around. One hopes
that the addition of the 8,3 name is atomic when a clashing name is
created. That also implies an ability to seach for case-insenstive name
clashes when directory entries are added. This has interesting
implications, I think, for a distributed file system.
Then, from the UNIX side, I created FOO~1.C. This succeeded! Under
Windows, I got FOO~~1.C. Interesting.
Regards
-----
Richard Sharpe, rsharpe at ns.aus.com, rsharpe at samba.org,
sharpe at ethereal.com
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