[DRBD-user] Using names instead of IPs in resource 'address' entries

Andreas Hofmeister andi at collax.com
Tue Sep 6 19:55:58 CEST 2011

Note: "permalinks" may not be as permanent as we would like,
direct links of old sources may well be a few messages off.

On 06.09.2011 19:07, Lars Ellenberg wrote:
> The basic problem: if the link goes away because of one node chaning its
> IP, we cannot possibly do a dns lookup from kernel space...
> Well, we could. But that would be a good reason to kick us out of the
> kernel and never talk to us again ;)
Yes, if you did that in kernel space, I guess.

But apparently there is an interface to let user space handle name 
lookups, see  Documentation/networking/dns_resolver.txt  in recent 
kernel sources. It seems to be used in CIFS and NFS.


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