Gavin McCullagh wrote:
> Hi,
>
> we're running backups of a few Windows desktops with Bacula. On Windows
> Vista and Windows 7, you tend to get a bunch of messages like this:
>
> jm-fd JobId 2526: c:/Users/johnm/Documents/My Videos is a different
> filesystem. Will not descend from c:/Users/johnm/ into
> c:/Users/johnm/Documents/My Videos
> jm-fd JobId 2526: c:/Users/johnm/Local Settings is a different
> filesystem. Will not descend from c:/Users/johnm/ into c:/Users/johnm/Local
> Settings
> jm-fd JobId 2526: c:/Users/johnm/My Documents is a different filesystem.
> Will not descend from c:/Users/johnm/ into c:/Users/johnm/My Documents
> jm-fd JobId 2526: c:/Users/johnm/NetHood is a different filesystem.
> Will not descend from c:/Users/johnm/ into c:/Users/johnm/NetHood
> jm-fd JobId 2526: c:/Users/johnm/PrintHood is a different filesystem.
> Will not descend from c:/Users/johnm/ into c:/Users/johnm/PrintHood
>
> I've noticed mention on lists that these folders are some sort of symlinks
> though I'm not clear where to -- c:\ seems to be the only filesystem on the
> box. Can someone explain exactly what these messages are telling us?
> Should we be at all concerned that they're not being backed up?
>
They are junction points. Windows uses a multi-root directory hierarchy,
where C:\, D:\, etc. are the roots, as opposed to the *nix single root
directory hierarchy where / is the only root. Any directory under one of
the roots that has a NTFS filesystem mounted may be the mountpoint for a
different filesystem. Windows calls these "junction points". Windows
implements directory symlinks as junction points, the only difference
being that rather than a completely different filesystem being mounted
at the junction point, a subsection (directory) of the same filesystem
is re-mounted at the junction point. Therefore, Bacula sees these
junction points as a different filesystem, (as it should).
For example, what is now c:/Users/johnm/Documents on Vista/7 used to be
c:/Documents and Settings/johnm/My Documents on XP. There were enough
compatibility problems with old 3rd party software hard coding the "My
Documents" directory name that, for backward compatibility reasons,
Microsoft put in a symlink (junction point) named "c:/Users/johnm/My
Documents" that points to the Vista/7 equivalent "c:/Users/johnm/Documents".
You should not be concerned. Either ignore the messages or else exclude
those directory names in the FileSet used by Vista/7 clients.
> On a Windows XP machine, we also get some of these, but fewer:
>
> tomasv200-fd JobId 2539:
> c:/WINDOWS/assembly/GAC_32/System.EnterpriseServices/2.0.0.0__b03f5f7f11d50a3a
> is a different filesystem. Will not descend from c:/ into
> c:/WINDOWS/assembly/GAC_32/System.EnterpriseServices/2.0.0.0__b03f5f7f11d50a3a
> tomasv200-fd JobId 2539:
> c:/WINDOWS/assembly/GAC_MSIL/IEExecRemote/2.0.0.0__b03f5f7f11d50a3a is a
> different filesystem. Will not descend from c:/ into
> c:/WINDOWS/assembly/GAC_MSIL/IEExecRemote/2.0.0.0__b03f5f7f11d50a3a
>
>
> Many thanks for any illumination,
>
> Gavin
>
>
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