Date: Tue, 18 Jan 2011 09:11:52 -0500 (EST) From: Rick Macklem <rmacklem@uoguelph.ca> To: Attila Nagy <bra@fsn.hu> Cc: freebsd-fs@freebsd.org Subject: Re: NFS problem: file doesn't appear in file listing, but can be accessed directly Message-ID: <1571522098.399734.1295359912372.JavaMail.root@erie.cs.uoguelph.ca> In-Reply-To: <4C614A7D.8030509@fsn.hu>
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> On 08/08/2010 02:06 AM, Rick Macklem wrote: > >> On 07.08.2010, at 02:35, Rick Macklem wrote: > >> > >> I agree, this must be some kind of server issue then. Still, I > >> wonder > >> why the solaris client didn't show the problem... > >> > >> > > 2 things: > > 1 - the solaris client uses ReaddirPlus and not Readdir RPCs by > > default (I can't remember if that default can be overridden?). > I don't know whether this counts or not, but I've tried with an old > Solaris (x86) 8 (uname says it's Generic_108529-06). > > > ps: I don't recall the previous emails mentioning that the "ls" > > was ok for a solaris client. > > > It was in 4C582968.9000303@fsn.hu: > "I've mounted the share from an old Solaris box, which sees the file." > > This means, when I issue an ls | grep problematic_fname, I can see the > filename. > BTW, this turned out to be incorrect, because I've tested with the > same > (one of the missing) filename. > Doing a find . in the directory on both FreeBSD and Solaris client > shows > some differences. > So what I have now is: both the normal and the experimental NFSD show > the problem on both FreeBSD and Solaris clients (only the missing file > names are different). > > On Solaris there are 78 files missing, on FreeBSD there are 193, I > haven't checked that they are persistent across reboots or not. I believe that this problem might be fixed by r216774 in head (for the regular NFS server) and r216691 in head (for the experimental NFS server). The above patches fixes a problem that would occur when ZFS generated non monotonically increasing directory offset cookies and readdir in the server would skip over some directory entries. rick
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