Sam, Are you looking at this bug? If not, I can take a look. Is this a readdir/pcache bug? Or is this related to the other lookup/related cleanups that you sent an email a couple of days back? thanks! Murali
On Dec 4, 2007 7:19 AM, Sam Lang <[EMAIL PROTECTED]> wrote: > > Hi Emmanuel, > > This is probably a bug in our readdir code, which may only be > triggered by NFS doing readdirs in chunks of 26. I'll look into it. > > Thanks, > -sam > > > On Dec 4, 2007, at 8:49 AM, Emmanuel Florac wrote: > > > > > OK, I've been testing again and again, and I found a weeeeeeird bug. > > When I say weird, I mean really really of the black magic flavour. > > > > So : still testing this NFS stuff, I tried with various configurations > > to sort it out, and it really a PVFS2 problem (tried different > > clients, > > and exporting non-pvfs2 FS from the same server, all OK). > > > > The NFS server exports the pvfs2 FS this way : > > > > /mnt/pvfs2 *(rw,async,no_root_squash,no_subtree_check) > > > > On the client, I mount it and run this into the share : > > > > for i in `seq 1 50` ; do touch test.$i ; done ; echo "created $i" ; > > echo -n "listing " ; ls | wc -l > > > > So I create 50 files from test.1 to test.50 and so what? I tried again > > and again, and always the same : test.26 is missing in the ls output! > > Not any other file. When I create test.1 to test.65536, test.26 is > > still missing. > > > > BUT if you type "ls test.26", it shows up just OK. Yeah, that's weird. > > Then I do > > rm * ; ls > > > > and it tells me > > test.26 > > > > Uh.... > > If I create 2000 files but starting from 100 (test.100 to test.2100), > > when I do > > > > rm *; ls > > > > It gives > > test.125 > > > > Uh, the 26th file, again... This is a very strange modulo 26 bug > > indeed :) > > > > -- > > ---------------------------------------- > > Emmanuel Florac | Intellique > > ---------------------------------------- > > > > _______________________________________________ > > Pvfs2-users mailing list > > [email protected] > > http://www.beowulf-underground.org/mailman/listinfo/pvfs2-users > > > > _______________________________________________ Pvfs2-users mailing list [email protected] http://www.beowulf-underground.org/mailman/listinfo/pvfs2-users
