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Description of problem:
As Roberto mentions in https://bugzilla.redhat.com/show_bug.cgi?id=1906792#c8 that we need this correction:
commit 017088d2c2e214c37e37784a6be9deda16462c1d (tag: nfs-utils-2-4-4-rc7)
Author: Robert Milkowski <rmilkowski>
Date: Wed Jun 10 14:28:05 2020 -0400
man: Correct rpc.gssd(8) description of rpc-timeout and context-timeout
The rpc-timeout is equivalent to -T and context-timeout to -t options,
not vice versa.
Version-Release number of selected component (if applicable):
nfs-utils-2.3.3-40.el8
How reproducible:
easy
Steps to Reproduce:
1.
2.
3.
Actual results:
[root@dell-per430-17 ~]# rpm -q nfs-utils
nfs-utils-2.3.3-40.el8.x86_64
[root@dell-per430-17 ~]# man gssd | grep -A1 "\-timeout"
context-timeout
Equivalent to -T. <<<<
--
rpc-timeout
Equivalent to -t. <<<<
# But internally we didn't use it incorrectly :-)
[root@dell-per430-17 ~]# grep timeout /usr/sbin/nfsconvert
'-t': (CONF_NFS, 'gssd', 'context-timeout', '$1'),
'-T': (CONF_NFS, 'gssd', 'rpc-timeout', '$1'),
[root@dell-per430-17 ~]#
Expected results:
Additional info:
Fix applies now:
[root@rhel-8-4-latest ~]# rpm -q nfs-utils
nfs-utils-2.3.3-42.el8.x86_64
[root@rhel-8-4-latest ~]# man gssd | grep -A1 "timeout"
rpc.gssd [-DfMnlvrH] [-k keytab] [-p pipefsdir] [-d ccachedir] [-t timeout] [-R realm]
--
-t timeout
Timeout, in seconds, for kernel GSS contexts. This option allows you to force new kernel contexts to be negotiated after timeout
seconds, which allows changing Kerberos tickets and identities frequently. The default is no explicit timeout, which means the
kernel context will live the lifetime of the Kerberos service ticket used in its creation.
--
-T timeout
Timeout, in seconds, to create an RPC connection with a server while establishing an authenticated gss context for a user. The
default timeout is set to 5 seconds. If you get messages like "WARNING: can't create tcp rpc_clnt to server %servername% for
user with uid %uid%: RPC: Remote system error - Connection timed out", you should consider an increase of this timeout.
--
context-timeout
Equivalent to -t.
--
rpc-timeout
Equivalent to -T.
[root@rhel-8-4-latest ~]#
Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.
For information on the advisory (nfs-utils bug fix and enhancement update), and where to find the updated
files, follow the link below.
If the solution does not work for you, open a new bug report.
https://access.redhat.com/errata/RHBA-2021:4403