>>>>> On Wed, 07 Jun 2017 21:50:30 +0200, Ian Douglas said:
> 
> Hi all
> 
> Lately I've been getting errors like
> 
>   Could not stat "/mnt/nas1stuff/": ERR=Host is down
> 
> where I'm trying to back up files from a NAS box (FreeNAS), and the target 
> folder is mounted on this box, as was recommended to me on this list.
> 
> So the folder does not get backed up.
> 
> If I run the job manually then it works. 
> 
> Other succeeding jobs run right after the failed one work okay.
> 
> Oddly enough I tried from the command line and results were puzzling:
> 
> ====================
> ~ $ ls /home/ian/nas1stuff/
> ls: cannot access '/home/ian/nas1stuff/': Host is down
> ~ $ cd 
> ~ $ cd /home/ian/nas1stuff/
> ~/nas1stuff $ ls /home/ian/nas1stuff/
> 
> and that worked... so why would I get a Host is down message?

It could be too slow rather than down.  Does a second use of "ls
/home/ian/nas1stuff/" succeed, without the "cd /home/ian/nas1stuff/"?


> So now trying to determine where the problem is...
> 
> 1. Bacula ?

Unlikely since you can demonstrate it with cd and ls.


> 2. FreeNAS ?
> 3. something on my system doing the SMB stuff ?

Both possible.

Have you checked the syslogs?


> I don't know if it is related but lately I've noticed a lot of up/down 
> traffic 
> between this box and the three NAS boxes... even when I'm not actually doing 
> anything on the NAS boxes. Am just worried it's some malware encrypting my 
> drives. This box is Linux, the three NAS boxes are FreeNAS (== FreeBSD based).

You could use tcpdump or Wireshark to see what kind of traffic is being sent.

See also
https://askubuntu.com/questions/910058/updates-broke-cifs-smb-mounts-in-16-04#920279

__Martin

------------------------------------------------------------------------------
Check out the vibrant tech community on one of the world's most
engaging tech sites, Slashdot.org! http://sdm.link/slashdot
_______________________________________________
Bacula-users mailing list
Bacula-users AT lists.sourceforge DOT net
https://lists.sourceforge.net/lists/listinfo/bacula-users