NFS export of HAMMER slave PFS

Antonio Huete Jiménez tuxillo at quantumachine.net
Wed Jan 14 07:57:52 PST 2015


Hi Vasily,

You're doing it right, there is a bug in mountd. Specifically mountd  
tries to set the export flag on the filesystem by using mountctl(2) or  
mount(2) but it's failing.

Can you please open a bug on the tracker and assign it to me?

I'll check it later.

Cheers,
Antonio Huete


Quoting Vasily Postnicov <shamaz.mazum at gmail.com>:

> Hello.
>
> I have a slave HAMMER PFS which is mounted at /nbackup. I want to export it
> via NFS over my local network (it has 3 machines with ip addresses
> 192.168.10.1-192.168.10.3), so I added this line to /etc/exports
>
> /nbackup -ro -network 192.168.10/24
>
> then I invoked:
>
> service mountd restart
>
> and got these lines in /var/log/messages:
>
> Jan 14 18:37:24 ressurected mountd[2279]: can't export /nbackup
> Jan 14 18:37:24 ressurected mountd[2279]: bad exports list line /nbackup
> -ro -network 192.168.10/24
>
> I checked it again with a newly created hammer filesystem (using vnode disk
> and 20GB zero-filled file) and a slave PFS, containing mirror of /tmp. It
> gave me the same result. Then I upgraded the PFS to master and mountd
> accepted it with no errors.
>
> So my question is: can I export a slave PFS or I have to upgrade it to
> master first? I mean only read access, of course. My DragonFly version:
> v4.1.0.321.gea9a1f-DEVELOPMENT
>
>
> With best regards, Vasily Postnicov





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