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NFS Client crippled by Rational Clearcase
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NFS Client crippled by Rational Clearcase - Oct. 25, '04, 12:00:48 PM
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rtwede
Posts: 18
Joined: Sep. 30, '04,
Status: offline
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Using SFU 3.5, NFS shares can easily be accessed using the UNC path names:
\\server\exportdir
Using Run: and typing the UNC name opens a window showing the contents of the directory.
However, simply installing Rational Clearcase causes all such accesses to fail.
As far as I can detect, it is due to the mvfs (multi-variant filesystem) for which Clearcase adds a filesystem driver into the OS.
At that point the simple 'mount' command from the bash prompt fails to list all mount points as well.
Any advice anyone can give?
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RE: NFS Client crippled by Rational Clearcase - Oct. 25, '04, 2:38:04 PM
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rtwede
Posts: 18
Joined: Sep. 30, '04,
Status: offline
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Thanks for the tip.
It appears I get the same result through /net however.
Interestingly, once Clearcase is installed I can still see all the exports of a server using 'cd /net/server; ls' or Run:\\server\
However I cannot change directory to or list any files on the exports. The server is as far as I can go.
For example, in the /net/server directory if I issue ls I get 'local', but 'cd local' returns '/net/server/local: Not a directory'
The ksh attempt returns not a directory and the Run:\\server\local equivalent returns 'The network path was not found' even though it is displaying an icon for the directory at the server level that I can click on.
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RE: NFS Client crippled by Rational Clearcase - Oct. 25, '04, 2:40:51 PM
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rtwede
Posts: 18
Joined: Sep. 30, '04,
Status: offline
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I'd like to know more about the mvfs driver Clearcase inserts into the OS. It's somehow intervening and getting in the middle of non mvfs filesystem accesses. I haven't ever seen how a new filesystem type is inserted into Windows so I don't know how to further think down this line.
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RE: NFS Client crippled by Rational Clearcase - Oct. 25, '04, 3:06:47 PM
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Rodney
Posts: 3696
Joined: Jul. 9, '02,
From: /Tools lab
Status: offline
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I'm guessing that it could be a "shim". Essentially like a layer FS on Unix. It sits
in-between the API caller and the next level of device driver. You might want to grok
through the registry to see if there are some Rationale/Clearcase setting that could
be tweaked. Have you check with Clearcase to see if they know of the problem?
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