In message <[email protected]>, Trond Myklebust writes:
>
> On Fri, 2007-10-19 at 17:40 -0400, Erez Zadok wrote:
[...]
> > Trond, I was able to narrow down the problem w/o using unionfs at all (yay!
> > :-). All I do is setup a loop device, mkfs it as ext2, mount it, then
> > export it to localhost and mount it locally as nfs2. I go and touch a new
> > file in the ext2 directory. Then I readdir the export point to find the new
> > file indeed. Then I stat(1) the new file, and get the appropriate stat
> > output. Now the strange thing is that right after the stat through the
> > export point, the file DISAPPEARS from the lower ext2 dir, but REAPPEARS a
> > few seconds later.
>
> Let me get this straight:
>
> 1) You create the file on the server
> 2) You readdir the file from the client
> 3) You stat the file from the client
>
> ....with the result that the file disappears from sight on the server?
Yup.
> That would indicate some dcache issues with the server code. What export
> options are you using?
The explicit command I use is:
exportfs -o no_root_squash,rw localhost:/n/export/b0
The options recorded in exportfs -v:
/n/export/b0 localhost.localdomain(rw,wdelay,no_root_squash,no_subtree_check,anonuid=65534,anongid=65534)
Erez.
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