Hi,
Sorry if I missed it, but do you have pcap trace(s) showing the protocol
operations when this reproduces?
Thanks
Matt
----- Original Message -----
> From: "Tushar Shinde" <mtk.tus...@gmail.com>
> To: "Tushar Shinde" <mtk.tus...@gmail.com>,
> nfs-ganesha-devel@lists.sourceforge.net
> Sent: Thursday, March 10, 2016 8:51:56 AM
> Subject: Re: [Nfs-ganesha-devel] NFS Ganesha rm -rf randomly not working in
> Solaris.
>
> Hello Malahal,
>
> Thanks for reply.
> I tried that fix, But I am seeing following messages from solaris
> client. This is bit random issue.
>
> rm: WARNING: A subdirectory of /mnt/vdbench2/bigfileset/00000003 was
> moved or linked to another directory during the execution of rm
> rm: Unable to remove directory
> /mnt/vdbench2/bigfileset/00000003/00000004: No such file or directory
> rm: WARNING: A subdirectory of /mnt/vdbench2/bigfileset/00000003 was
> moved or linked to another directory during the execution of rm
> rm: Unable to remove directory
> /mnt/vdbench2/bigfileset/00000003/00000004: No such file or directory
> rm: WARNING: A subdirectory of /mnt/vdbench2/bigfileset/00000003 was
> moved or linked to another directory during the execution of rm
> rm: Unable to remove directory
> /mnt/vdbench2/bigfileset/00000003/00000004: No such file or directory
> rm: WARNING: A subdirectory of /mnt/vdbench2/bigfileset/00000003 was
> moved or linked to another directory during the execution of rm
>
>
> The filesystem is not updated by any other than Ganesha server itself.
> And this issue only comes on Solaris, I have not see it on Linux.
>
> Thank you,
> Tushar
>
>
>
> On Wed, Mar 9, 2016 at 3:41 AM, Malahal Naineni <mala...@us.ibm.com> wrote:
> > Does the following fix the issue?
> >
> > commit d669eb56d19f1d722e1919d0f39e7055caa88ddd
> > Author: Krishna Harathi <khara...@exablox.com>
> > Date: Fri Nov 6 00:03:58 2015 +0000
> >
> > nfsv3 - fix malformed packet response in readdir when zero entries are
> > returned. Also in cache_inode_readdir.
> >
> > Change-Id: If9489308b863d8a819511fbd8cb0ed7f633e283f
> > Signed-off-by: Krishna Harathi <khara...@exablox.com>
> >
> >
> > Tushar Shinde [mtk.tus...@gmail.com] wrote:
> >> Hi All,
> >>
> >> Env:
> >> Server: NFS Ganesha V2.2-stable x86_64, on RHEL 6.5
> >> Client: SunOS 5.10 Generic_150400-30 sun4v sparc
> >> SUNW,SPARC-Enterprise-T5120
> >> bash-3.2# cat /etc/release
> >> Oracle Solaris 10 1/13 s10s_u11wos_24a SPARC
> >> Copyright (c) 1983, 2013, Oracle and/or its affiliates. All rights
> >> reserved.
> >> Assembled 17 January 2013
> >>
> >>
> >> Issue:
> >> >From solaris client if we do rm -rf it randomly fails, Many time it
> >> says eexists or directory is moved or linked while rm.
> >>
> >> I was debugging this issue and following are observations. Please
> >> guide me to patch (if already fixed) or any clue to solve this.
> >>
> >> After debugging I found if unlink is in progress in same dir as of
> >> reading,
> >> while(ent = readdir()) {
> >> remove()
> >> }
> >>
> >> on solaris, getdents returns ENOENT on last call, rather it should get 0.
> >> Client is sending cookie which deleted on server by last remove call.
> >> Since there is no files left,
> >> Ganesha gets no new node and prints error like following.
> >>
> >> On Client:
> >> getdents(4, 0xFFFFFFFF7E700000, 8192) Err#2 ENOENT
> >>
> >> On Server
> >> 2016-03-08 12:53:28 : ganesha.nfsd-30982[work-9] nfs3_readdir :F_DBG
> >> :---> nfs3_readdir: count=8192 cookie=18411418809641280358
> >> estimated_num_entries=120
> >> 2016-03-08 12:53:28 : ganesha.nfsd-30982[work-9] cache_inode_readdir
> >> :F_DBG :Enter....
> >> 2016-03-08 12:53:28 : ganesha.nfsd-30982[work-9] cache_inode_access_sw
> >> :DEBUG :INODE: DEBUG: access_type=0X84000001
> >> 2016-03-08 12:53:28 : ganesha.nfsd-30982[work-9]
> >> cache_inode_avl_lookup_k :DEBUG :found deleted supremum (nil)
> >> 2016-03-08 12:53:28 : ganesha.nfsd-30982[work-9] cache_inode_readdir
> >> :F_DBG :seek to cookie=18411418809641280358 fail
> >>
> >> Thing to note here is cookie 18411418809641280358 is no more alive and
> >> hence lookup return nil.
> >>
> >> I tried sending CACHE_INODE_SUCCESS with 0 entries instead of
> >> CACHE_INODE_BAD_COOKIE but that also did not worked.
> >>
> >> What should be correct return code for readdir request with last
> >> cookie which is deleted on server? Any one know any relevant issues
> >> like this.
> >>
> >> (I tried to subscribe the mailing list multiple times but I never got
> >> confirmation email so sending message to
> >> nfs-ganesha-devel@lists.sourceforge.net, Please route to correct alias
> >> if not appropriate for this id.)
> >>
> >> Thank you,
> >> Tushar Shinde.
> >>
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> >>
> >
>
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