[Techtalk] Slow booting since installing NFS daemons

[Joana Botto]

Hi,

When the NFS server daemon has a request, it first looks at the
current list of exports, /etc/exports and then it looks up the
client's ip to find its host name. This requires a reverse DNS lookup.
So if you don't have a DNS server on your network, check /etc/hosts.

The host is then checked against the list of exports. If NFS can't
find the host name, the acess will be deny to the client and an entry
is added on /var/log/messages, "request from unknown host".

Also you could try using the soft-mounted NFS filesystem when
mounting, so if the server fails, a soft-mounted NFS filesystem will
fail rather than hang. You also can set the timeo option to set a
timeout interval.

Here is an example:

# mount -o soft,timeo=300 server_name:/home /nfs/home

I hope this help.


Best regards,
Joana Botto


On Sun, Jan 11, 2009 at 10:52 PM, Anne Wainwright
<anotheranne at fables.co.za> wrote:
> Gayathri, hi
>
> one comment below.
>
> On Mon, 5 Jan 2009 21:56:13 -0600
> Gayathri wrote:
>
> |> On Mon, Jan 5, 2009 at 1:50 PM, Anne Wainwright <anotheranne at fables.co.za>wrote:
> |>
> |> >
> |> > So the only thing is why does this not happen automagically on boot, .... I
> |> > look into some logs....
> |> >
> |> > In /var/log/kern.log and /messages I find stuff:
> |> >
> |> > kernel {big number] rpcbind: server localhost not responding, timed out
> |> > kernel {bigger number] RPC: failed to contact local rpcbind server (errno
> |> > 5).
> |> >
> |> > in fact a series of these errors until it gives up
> |> >
> |> > This is not serious now as this is only for temporary connection and we can
> |> > start it manually, but would like to fix it if possible.
> |> >
> |> > thanks
> |> > Anne
> |> >
> |>
> |> Excellent progress Anne!
> |>
> |> It has been a while I have debian-ed so I asked @IRC if anyone remembers off
> |> their memory and here are some suggestions:
> |>
> |> - use /etc/init.d/service
> |> - rcconf or,
> |> - update-rc.d
> |>
> |> Was able to find this how to after a bit of googling:
> |> http://www.cyberciti.biz/tips/how-to-controlling-access-to-linux-services.html
>
> not able to connect to that URL directly. have to go to the cyberciti.biz and then search for "how-to-controlling-access-to-linux-services.html" and then from the link provided which is exactly that same url you can get to the thing. Shows sysvconfig utility.
>
> Anne
>
>
> |>
> |> Cheers,
>
>
> --
> so much to do, so little time :(
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