Hello Everyone
I recently started Working in an Environement, where Linux is used as Client. The Homes are mounted via kerberized nfs v4.
Everything was fine, until we upgraded the Netapp V3140 to Ontap 8.1.2
Now the NFS is unstable.
When Users browse trough their Homeshares, suddenly the connection times out and the Client crashes.
I tried to figure out what went wrong, but am a little bit stuck.
perhaps one of you can help out.
Facts:
mountpoint via autofs:
* -fstype=nfs4,soft,timeo=10,sec=krb5,wsize=32768,rsize=32768 boiler:/vol/staff/& boiler:/vol/student/& boiler:/vol/system/& boiler:/vol/guest/&
export:
/vol/staff | -sec=krb5,rw=147.87.0.0/16 |
Volume security= Unix
nfs.acache.persistence.enabled on (value might be overwritten in takeover)
nfs.always.deny.truncate on (value might be overwritten in takeover)
nfs.assist.queue.limit 40 (value might be overwritten in takeover)
nfs.export.allow_provisional_access on (value might be overwritten in takeover)
nfs.export.auto-update off (value might be overwritten in takeover)
nfs.export.exportfs_comment_on_delete on (value might be overwritten in takeover)
nfs.export.harvest.timeout 1800 (value might be overwritten in takeover)
nfs.export.neg.timeout 3600 (value might be overwritten in takeover)
nfs.export.pos.timeout 36000 (value might be overwritten in takeover)
nfs.export.resolve.timeout 6 (value might be overwritten in takeover)
nfs.hide_snapshot off
nfs.ifc.rcv.high 66340
nfs.ifc.rcv.low 33170
nfs.ifc.xmt.high 16
nfs.ifc.xmt.low 8
nfs.ipv6.enable off
nfs.kerberos.enable on
nfs.locking.check_domain on (value might be overwritten in takeover)
nfs.max_num_aux_groups 32
nfs.mount_rootonly on
nfs.mountd.trace off
nfs.netgroup.strict off
nfs.nfs_rootonly off (value might be overwritten in takeover)
nfs.notify.carryover on
nfs.ntacl_display_permissive_perms off (value might be overwritten in takeover)
nfs.per_client_stats.enable on
nfs.require_valid_mapped_uid off
nfs.response.trace off (value might be overwritten in takeover)
nfs.response.trigger 60 (value might be overwritten in takeover)
nfs.rpcsec.ctx.high 0
nfs.rpcsec.ctx.idle 360
nfs.rpcsec.trace off (value might be overwritten in takeover)
nfs.tcp.enable on
nfs.thin_prov.ejuke off (value might be overwritten in takeover)
nfs.udp.enable on
nfs.udp.xfersize 32768 (value might be overwritten in takeover)
nfs.v2.df_2gb_lim off (value might be overwritten in takeover)
nfs.v2.enable on (value might be overwritten in takeover)
nfs.v3.enable on (value might be overwritten in takeover)
nfs.v4.acl.enable off (value might be overwritten in takeover)
nfs.v4.enable on (value might be overwritten in takeover)
nfs.v4.id.allow_numerics off
nfs.v4.id.domain bfh.ch
nfs.v4.read_delegation off (value might be overwritten in takeover)
nfs.v4.write_delegation off (value might be overwritten in takeover)
nfs.vstorage.enable off (value might be overwritten in takeover)
nfs.webnfs.enable off
nfs.webnfs.rootdir XXX
nfs.webnfs.rootdir.set off
Issue:
When the error drops, syslog of ubuntu box shouts:
nfs v4 server returned a bad sequence-id error
wiresharking in attached .csv
Any suggestions in what to debug?
Regards
Phil