Re: [patch] fix statd -n

[Wendy Cheng <s.wendy.cheng@gmail.com>]

Wendy Cheng wrote:
> Janne Karhunen wrote:
>> Hi,
>>
>> So effectively, it makes me sleep better. With it:
>> - I can rely on clients identifying the server correctly,
>> - I'm not exposing out anything that is not needed,
>> - Can tell by the address what this traffic is,
>> - Can be sure that packets are sent out via right interface
>>
>> It might be even better if it would exit if -n is used when
>> no such interface is actually available. As I did it, it still
>> gambles here just as before.
>>
>>   
>
> After browsing thru "statd -n" flow, it is still not clear what will 
> happen if there are more than 2 interfaces used to export NFS shares ?
> Using "statd -H", together with patches described in:
> https://www.redhat.com/archives/cluster-devel/2007-April/msg00028.html ,
>
> our cluster failover (with 4 IP interfaces per server) seemed to run 
> well without troubles. Note that 2/3 of the patch in 4-3 can be 
> removed *now* since it deals with moving server address from network 
> header into lockd internal structures - another similar patch (by 
> Frank van Maarseveen) was accepted into mainline kernel after our 
> patch that has the required functionality:
> http://lkml.org/lkml/2007/7/10/553 .
>
> So the following is our (-H) flow:
> * Server dispatches statd with "-N" option that has a user mode script
obvious typo here .. "Server dispatches statd with "-H" option that has 
a uwer mode script"

-- Wendy