Bug 1413538 - mountd port registration lost after rpcbind restarts
Summary: mountd port registration lost after rpcbind restarts
Alias: None
Product: Fedora
Classification: Fedora
Component: rpcbind
Version: 24
Hardware: Unspecified
OS: Unspecified
Target Milestone: ---
Assignee: Steve Dickson
QA Contact: Fedora Extras Quality Assurance
Depends On:
TreeView+ depends on / blocked
Reported: 2017-01-16 10:33 UTC by Tom Hughes
Modified: 2017-01-16 19:08 UTC (History)
5 users (show)

Fixed In Version:
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Last Closed: 2017-01-16 19:08:53 UTC
Type: Bug

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Description Tom Hughes 2017-01-16 10:33:26 UTC
Description of problem:

The rpcbind package restarts the rpcbind daemon whenever it is updated which causes the nfs mountd port registration to be forgotten and mounts to fail because clients can no longer look up the mountd port number.

Yes I know newer clients will just go ahead and use the default port in that case but older ones don't and will just refuse to mount until mountd is restarted to trigger a new registration of the port.

Ordinarily I would suggest using BindsTo in the systemd unit to cause mountd to restart when rpcbind restarts but as it's valid to run mountd without rpcbind I don't think that will work so I'm not entirely sure what the solution is here unless there is some way for mountd to notice the restart of rpcbind and reregister?

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Comment 1 Steve Dickson 2017-01-16 19:08:53 UTC
This is actually due to rpcbind being updated to rpcbind-0.2.3-14.rc2.fc24
With this update, which was documented in the update,d  a reboot or 
restart of NFS is needed to get the ports registered... 

This is a one time thing.... My apologies if it caused any problem.

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