Messages in this thread | | | Subject | Re: 2.6.21.3: NFS: Buggy server - nlink == 0! | From | Trond Myklebust <> | Date | Wed, 06 Jun 2007 08:27:42 -0400 |
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The server is returning a deleted file to the client as the result of a lookup() call. I'd call that a server bug.
Trond
On Wed, 2007-06-06 at 01:13 -0700, Ravikiran G Thirumalai wrote: > While running a dbench stress test on a nfs mounted file system, I notice > the subject error message on the client machine. The client machine is a 48 > core box with NUMA characteristics and 1024 dbench processes running > continuously in a loop, while another memory hog application runs in parallel. > The client is on 2.6.21.3. The server is booted up with 2.6.21.3 as well. > Attached is the server configuration. Same test on a 2.6.16 client does not > spew out these messages. Is this really the server issue, or is the NFS > client to be blamed here? > > fstab on the client goes as: > vus2:/mnt/sda5 /nfstest nfs udp,wsize=32768,rsize=32768 0 0 > > /etc/exports on the server looks like: > /mnt/sda5 *(rw,no_root_squash,sync) > > I will be happy to post full config/dmesg if required. > > The client side NFS config goes as: > # > # Network File Systems > # > CONFIG_NFS_FS=y > CONFIG_NFS_V3=y > # CONFIG_NFS_V3_ACL is not set > # CONFIG_NFS_V4 is not set > CONFIG_NFS_DIRECTIO=y > CONFIG_NFSD=y > CONFIG_NFSD_V3=y > # CONFIG_NFSD_V3_ACL is not set > # CONFIG_NFSD_V4 is not set > CONFIG_NFSD_TCP=y > CONFIG_LOCKD=y > CONFIG_LOCKD_V4=y > CONFIG_EXPORTFS=y > CONFIG_NFS_COMMON=y > CONFIG_SUNRPC=y > # CONFIG_RPCSEC_GSS_KRB5 is not set > # CONFIG_RPCSEC_GSS_SPKM3 is not set > > The server side NFS config goes as: > > # > # Network File Systems > # > CONFIG_NFS_FS=m > CONFIG_NFS_V3=y > CONFIG_NFS_V3_ACL=y > # CONFIG_NFS_V4 is not set > CONFIG_NFS_DIRECTIO=y > CONFIG_NFSD=m > CONFIG_NFSD_V2_ACL=y > CONFIG_NFSD_V3=y > CONFIG_NFSD_V3_ACL=y > CONFIG_NFSD_V4=y > CONFIG_NFSD_TCP=y > CONFIG_LOCKD=m > CONFIG_LOCKD_V4=y > CONFIG_EXPORTFS=m > CONFIG_NFS_ACL_SUPPORT=m > CONFIG_NFS_COMMON=y > CONFIG_SUNRPC=m > > Thanks, > Kiran > - > To unsubscribe from this list: send the line "unsubscribe linux-kernel" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html > Please read the FAQ at http://www.tux.org/lkml/
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