On Tue, Oct 18, 2011 at 8:32 AM, Davina Treiber
<Davina.Treiber AT peevro.co DOT uk> wrote:
> On 18/10/11 13:41, Eugene Vilensky wrote:
>> On Tue, Oct 18, 2011 at 12:42 AM, Dag Nygren <dag AT newtech DOT fi> wrote:
>>> tisdag 18 oktober 2011 03:58:47 skrev du:
>>>> But what should this DNS/hosts file entry be? The client is
>>>> configured on the server with the DNS name of the primary interface.
>>>
>>> E.g. hostname-bu
>>> Then you alias that hostname-bu to hostname in the NW client settings.
>>
>> Thank you. I still receive "'System' on 'hostname-bu' must have
>> remote access privileges to client 'hostname'," after setting
>> hostname-bu as client alias.
>
> Shall I try to simplify this?
>
> Every interface on every server involved in the backup process needs to
> resolve. That means the backup server, any storage node that might
> backup this client, and the client itself must all be in DNS or hosts
> files, with all interfaces included. If an interface is an alternate
> interface for a physical client, e.g. just for backups, you should set
> it as an alias to the main hostname. If it is a cluster service, you
> should NOT under any circumstance add the service name as an alias for
> any physical host - this is what the remote access field is for.
>
> I have come across customers who say "We don't put the backup network in
> the DNS". This is their choice, but they are making life difficult. By
> not doing this they need to add lots of hosts file entries to lots of
> machines. The backup server needs entries for all the clients and
> storage nodes. The storage nodes need entries for all the clients they
> may backup. All the clients need entries for the server and storage
> nodes. IMHO it's easier to stick these in the DNS.
>
> If you want to force the backup data over a particular network, then set
> the storage node field of the client resource to be the storage node's
> name on the backup network. If you want to send the metadata to the
> server via the backup network, set the server network interface field.
> If you want to send all data from the server to the client over the
> backup network, you need to define the client using its name on the
> backup network.
>
> Follow these rules and it should work.
Brilliant. I recommend including this exact verbiage in the Admin
Guide underneath the useless backup interface blurb.
Thank you!,
Eugene
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