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Another type of lock file which could interfere with mail
being read are leftover AFS locks. AFS stands for the
Andrew File System, which is the file/directory
security used on the WAM and Glue systems. Sometimes AFS
locks are not removed correctly, and they may still be
laying around after a mail session has concluded.
To check if there are any lock files
- Type cd /mail/$user and hit Enter.
- Type ls -al and Hit Enter. You might see a
listing of the AFS Lock files.
Some AFS lock file examples:
.__afs1594
.__afs4781
.__afsA0D4
Note: Those are two underscore characters ("_") between the
period and the "afs" parts of the filename.
These lock files contain only 4-5 bytes, which is the PID
of the process which created them. This will only matter
if the process is from the same day (on WAM and standard
Glue), as the RACs and y.glue and z.glue reboot nightly.
If the files are NOT from the
current date, they can be removed safely:
- To remove then type
rm .__afs1594
To get rid of a group of such files, you can use the "*"
wildcard, like:
rm .__afs*
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