[OpenAFS] Re: [possibly dumb question] volume must occupy entire OS-level filesystem?

Adam Megacz megacz@cs.berkeley.edu
Sun, 18 Dec 2005 17:02:10 -0800


Jeffrey Hutzelman <jhutz@cmu.edu> writes:
> - With the inode-based fileserver, it is safe to put non-AFS files in
>   a vice partition, but having multiple /vicep* on the same physical
>   filesystem would be bad, and could well lead to filesystem corruption
>   (not so much during operation as during a salvage).  So, it just won't
>   let you do that.  With a namei server, there is no such concern, and
>   you can create /vicepx/AlwaysAttach and the partition will be attached
>   even though it is not a filesystem root.

Jeff, thanks for responding.  The rest of your response (and the
others) made sense and were really helpful.

Regarding the paragraph above, I know what inodes are and the point of
the namei() system call, but I wasn't aware that AFS fileserver
instances came in two "flavors" with these names, or their exact
meaning in this particular context (though I can take a guess).

Can you point me to further documentation on this administrative
decision and its implementation consequences?

Thanks again,

  - a

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