Re: [CentOS] CentOS 7.1 NFS Client Issues - rpc.statd / rpcbind

2015-08-30 Thread Mark Selby
That is the thing - rpc.statd does have rpcbind a pre-req. It looks like 
systemd is not handling this correctly. Just wondering if anyone knows a 
good way to fix.


root@ls2 /usr/lib/systemd/system 110#  grep Requires rpc-statd.service
Requires=nss-lookup.target rpcbind.target

On 8/30/15 7:45 PM, Rob Kampen wrote:

On 08/31/2015 01:39 PM, Mark Selby wrote:
I have seen some talk about this but have not seen any answers. I 
know this is a problem on CentOS 7.1 and I also think it is a problem 
on CentOS 7.0.


Basically if I have an NFS client only config - meaning that the 
nfs-server.service is not enabled then I have to wait 60 seconds 
after boot for the 1st NFSV3 mount to succeed.


What I can surmise is the following. I attempt to perform a NFS mount 
a newly booted machine and systemd via listening sockets


(1) starts rpc.statd (fails)
(2) starts rpcbind
(3) rpc.statd timesout after 60 seconds and then starts sucessfully
(3) performs the nfs mount

I see that rpc.statd is attempted to start at the time that I perform 
the mount request - it just takes 60 seconds to start. I think this 
is because it tries to start before rpcbind is really stated and then 
waits a full 60 seconds before retying. It then succeeds because 
rpcbind is really started


why doesn't rpc.statd have rpcbind as a pre-requisite - i.e. must have 
rpcbind up and running b4 rpc.statd is allowed to start - surely the 
all singing dancing wonder systemd has such capability
I can fix the delay by running 'systemctl start rpcbind' after I 
reboot which causes rpcbind to start and not just be socket activated.


I see in the systemd manifest for rpc-statd that it does require 
rpcbind but I think systemd is trying to start rpc.statd before 
rpcbind which makes sense that this would not work.


If I enable nfs-server.service then rpcbind does really get started 
but I loathe to start this on all clients


Anyone have any ideas how to get rpcbind started before rpc.statd in 
a NFS client only config


root /root 103# systemd-analyze blame
   1min 87ms rpc-statd.service

root@ls2 /root 79# systemctl list-units | grep rpc
rpcbind.socket loaded active listening RPCbind Server Activation Socket

Aug 30 18:17:14 ls2.tokenrain.name systemd: Starting NFS status 
monitor for NFSv2/3 locking
Aug 30 18:17:14 ls2.tokenrain.name rpc.statd[1938]: Version 1.3.0 
starting

Aug 30 18:17:14 ls2.tokenrain.name rpc.statd[1938]: Flags: TI-RPC
Aug 30 18:17:14 ls2.tokenrain.name systemd: Starting RPC bind service...
Aug 30 18:17:14 ls2.tokenrain.name systemd: Started RPC bind service.
Aug 30 18:18:14 ls2.tokenrain.name systemd: Started NFS status 
monitor for NFSv2/3 locking..


USER   PID  PPID %CPU %MEMVSZ   RSS TT   STAT START 
TIME COMMAND
root  1935  1924  0.0  0.0 115212  1436 ?S 18:17 00:00:00 
/bin/bash -p /usr/sbin/start-statd
root  1936  1935  0.0  0.0 132520  1196 ?S 18:17 00:00:00 
systemctl start rpc-statd.service
root  1937 1  0.0  0.0  44288  1676 ?Ss 18:17 
00:00:00 /usr/sbin/rpc.statd --no-notify
root  1938  1937  0.0  0.0  44484  1340 ?Ss 18:17 
00:00:00 /usr/sbin/rpc.statd --no-notify


USER   PID  PPID %CPU %MEMVSZ   RSS TT   STAT START 
TIME COMMAND
rpcuser   1938 1  0.0  0.0  44484  1600 ?Ss 18:17 
00:00:00 /usr/sbin/rpc.statd --no-notify


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[CentOS] CentOS 7.1 NFS Client Issues - rpc.statd / rpcbind

2015-08-30 Thread Mark Selby
I have seen some talk about this but have not seen any answers. I know 
this is a problem on CentOS 7.1 and I also think it is a problem on 
CentOS 7.0.


Basically if I have an NFS client only config - meaning that the 
nfs-server.service is not enabled then I have to wait 60 seconds after 
boot for the 1st NFSV3 mount to succeed.


What I can surmise is the following. I attempt to perform a NFS mount a 
newly booted machine and systemd via listening sockets


(1) starts rpc.statd (fails)
(2) starts rpcbind
(3) rpc.statd timesout after 60 seconds and then starts sucessfully
(3) performs the nfs mount

I see that rpc.statd is attempted to start at the time that I perform 
the mount request - it just takes 60 seconds to start. I think this is 
because it tries to start before rpcbind is really stated and then waits 
a full 60 seconds before retying. It then succeeds because rpcbind is 
really started


I can fix the delay by running 'systemctl start rpcbind' after I reboot 
which causes rpcbind to start and not just be socket activated.


I see in the systemd manifest for rpc-statd that it does require rpcbind 
but I think systemd is trying to start rpc.statd before rpcbind which 
makes sense that this would not work.


If I enable nfs-server.service then rpcbind does really get started but 
I loathe to start this on all clients


Anyone have any ideas how to get rpcbind started before rpc.statd in a 
NFS client only config


root /root 103# systemd-analyze blame
   1min 87ms rpc-statd.service

root@ls2 /root 79# systemctl list-units | grep rpc
rpcbind.socket loaded active listening RPCbind Server Activation Socket

Aug 30 18:17:14 ls2.tokenrain.name systemd: Starting NFS status monitor 
for NFSv2/3 locking

Aug 30 18:17:14 ls2.tokenrain.name rpc.statd[1938]: Version 1.3.0 starting
Aug 30 18:17:14 ls2.tokenrain.name rpc.statd[1938]: Flags: TI-RPC
Aug 30 18:17:14 ls2.tokenrain.name systemd: Starting RPC bind service...
Aug 30 18:17:14 ls2.tokenrain.name systemd: Started RPC bind service.
Aug 30 18:18:14 ls2.tokenrain.name systemd: Started NFS status monitor 
for NFSv2/3 locking..


USER   PID  PPID %CPU %MEMVSZ   RSS TT   STAT START TIME 
COMMAND
root  1935  1924  0.0  0.0 115212  1436 ?S 18:17 00:00:00 
/bin/bash -p /usr/sbin/start-statd
root  1936  1935  0.0  0.0 132520  1196 ?S 18:17 00:00:00 
systemctl start rpc-statd.service
root  1937 1  0.0  0.0  44288  1676 ?Ss 18:17 00:00:00 
/usr/sbin/rpc.statd --no-notify
root  1938  1937  0.0  0.0  44484  1340 ?Ss 18:17 00:00:00 
/usr/sbin/rpc.statd --no-notify


USER   PID  PPID %CPU %MEMVSZ   RSS TT   STAT START TIME 
COMMAND
rpcuser   1938 1  0.0  0.0  44484  1600 ?Ss 18:17 00:00:00 
/usr/sbin/rpc.statd --no-notify


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