I'm not really familiar with EMC's NFS, NFSv4 and automounter, but here's a
shot in the dark - what do your export and mount options look like? In
particular, look into nohide or crossmnt export options. Also, have a look
at this:
https://utcc.utoronto.ca/~cks/space/blog/unix/MultiFilesystemNFSIssue. Just
guesses, may not have any bearing on your issue.
-Jonathan Hankins
On Fri, Oct 14, 2016 at 7:34 AM Andreas Koch <
k...@esa.informatik.tu-darmstadt.de> wrote:
> Hello all,
>
> we have observed strange behavior in our recent backups. We have a number
> of
> filesystems, and explicitly list those to be backed up in the fileset
>
> One of these file systems is
>
> /home/stud
>
> which has subdirectories for each user. Backing these up has worked
> perfectly
> for the last decade by just including the file system in the FileSet
>
> FileSet {
> Name = "fs_gundabad"
> Include {
> Options {
> signature = SHA1;
> verify=pins1;
> accurate=pins1;
> xattrsupport = yes;
> }
> ...
> File = /home/stud
> ...
> }
>
> However, a recent differential backup shows warnings for _all_ of user
> subdirectories of the form:
>
> 13-Oct 03:25 gundabad-fd JobId 2161: /home/stud/aqsprak01 is a
> different
> filesystem. Will not descend from /home/stud into it.
> 13-Oct 03:25 gundabad-fd JobId 2161: /home/stud/aqsprak02 is a
> different
> filesystem. Will not descend from /home/stud into it.
> ...
>
> Even stranger, the backup _does_ appear to contain files from these
> directories (or more accurately, shows them in the catalog):
>
> * list files jobid=2161
> ...
> /home/stud/aqsprak01/Templates/test01/projSRC_Master/3cuS_1_l.dat
> ...
>
> Has anyone observed something like this elsewhere? As I wrote above, we use
> Bacula 7.4.4, on Scientific Linux 7.2 backing-up NFS v4.0 filesystems
> mounted
> via automounter from an EMC VNX 5200.
>
> Best,
> Andreas
>
>
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