Difference between revisions of "NFS doesn't work"
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| − | Often [[NFS]] in | + | Often [[NFS]] in container does not work because of misconfiguration. |
This article contains known reasons of such problems as well as solutions for those. | This article contains known reasons of such problems as well as solutions for those. | ||
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=== Symptoms === | === Symptoms === | ||
| − | <tt>mount</tt> command hangs: | + | <tt>mount</tt> command hangs or takes a very long time to complete: |
| + | |||
<pre> | <pre> | ||
# mount <ip address>:/pub /data | # mount <ip address>:/pub /data | ||
| Line 11: | Line 12: | ||
</pre> | </pre> | ||
| − | === | + | === Reasons === |
| − | Lockd is not running on the NFS server. | + | * Lockd is not running on the NFS server |
| + | * Portmap (older) or rpcbind (newer) is not running on the NFS client | ||
| + | * Networking is broken (e.g. scripts brought up default route but not IP address yet) | ||
=== Solution === | === Solution === | ||
| Line 21: | Line 24: | ||
=== Links === | === Links === | ||
* {{Bug|620}} | * {{Bug|620}} | ||
| + | |||
| + | == Permission denied after mount == | ||
| + | |||
| + | === Symptoms === | ||
| + | |||
| + | After a successful mount it is not possible to enter the mounted directory. | ||
| + | |||
| + | === Reasons and Solution === | ||
| + | |||
| + | * Possible the wrong authentification method for NFS is used. Try to add the mount option <code>sec=sys</code> to use the system mount option [http://workaround.org/node/265] | ||
| + | |||
[[Category:Troubleshooting]] | [[Category:Troubleshooting]] | ||
Latest revision as of 21:28, 6 June 2012
Often NFS in container does not work because of misconfiguration. This article contains known reasons of such problems as well as solutions for those.
Contents
Mount hangs[edit]
Symptoms[edit]
mount command hangs or takes a very long time to complete:
# mount <ip address>:/pub /data (...hangs here...)
Reasons[edit]
- Lockd is not running on the NFS server
- Portmap (older) or rpcbind (newer) is not running on the NFS client
- Networking is broken (e.g. scripts brought up default route but not IP address yet)
Solution[edit]
Two options are possible:
- run lockd on the server
- mount with nolock option
Links[edit]
Permission denied after mount[edit]
Symptoms[edit]
After a successful mount it is not possible to enter the mounted directory.
Reasons and Solution[edit]
- Possible the wrong authentification method for NFS is used. Try to add the mount option
sec=systo use the system mount option [1]
