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
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