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 %MEM VSZ 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 %MEM VSZ 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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