[OpenAFS] Broken mount points in user backup volumes

Jaap Winius jwinius@umrk.nl
Sun, 01 May 2011 03:59:02 +0200

Hi folks,

In Richard Campbell's "Managing AFS: the Andrew File System"  
(Prentice-Hall, 1998), regarding backup volumes it says on page 100  

    "User backup volumes can be mounted once in some well-known area,
    either one set aside for all backups or perhaps inside the home
    directory itself."

The latter appealed to me, so I tried it out, creating a mount point  
in each home directory called "snapshot." However, after running "vos  
backupsys user" a second time and checking to see if the backup volume  
had indeed been updated, I noticed this ugly looking little entry had  
appeared in the snapshot directory:

    ??????????  ? ?       ?          ?            ? snapshot

When a backup volume is made of a user volume and then mounted inside  
the same user volume, is it possible to prevent a broken mount point  
for it from appearing in the backup volume after subsequent "vos  
backupsys" operations?