From: Herbert Poetzl (herbert_at_13thfloor.at)
Date: Mon 22 Aug 2005 - 16:03:45 BST
On Mon, Aug 22, 2005 at 04:25:55PM +0200, Helmut Wollmersdorfer wrote:
> Herbert Poetzl wrote:
> >On Mon, Aug 22, 2005 at 01:18:33PM +0200, Helmut Wollmersdorfer wrote:
>
> >>With interfaces/0/name defined it seems to work now:
> >>
> >># ip addr ls
> >>[...]
> >>2: eth0: <BROADCAST,MULTICAST,UP> mtu 1500 qdisc pfifo_fast qlen 1000
> >> [...]
> >> inet 192.168.0.22/24 brd 192.168.0.255 scope global eth0
> >> inet 192.168.0.20/24 brd 192.168.0.255 scope global secondary eth0:0
> >> inet 192.168.0.27/24 brd 192.168.0.255 scope global secondary eth0:vs27
>
> >so you are telling me, that with an entry like this:
>
> > inet 192.168.0.27/24 brd 192.168.0.255 scope global secondary eth0
>
> >(note the missing :vs27 alias, which would be the default
> > without specifying the 'name')
>
> >does not work on your system, while the above (with alias) does?
>
> No, without specifying the 'name' it works nice - without heartbeat
> establishing some other aliases.
>
> As I understand the IPaddr script of heartbeat, it uses ifconfig to
> search a free name for ethx:<subdevice> and establish it. With heartbeat
> alone, this will result in e.g. eth0:0. But there was some conflict with
> vserver, as I had these 'ping-pong' failovers, and disconnections
> shortly after ssh login into the vserver.
>
> The truth is, that I cannot say exactly, what the reason was/is. That's
> why I asked 'How ... handled exactly'. The docs say something like
> 'ethx:0' if not 'named', which will be a problem, if heartbeat does not
> see it via 'ifconfig'.
>
> Now I reconfigured (and recabled, isolated) my test cluster completely,
> doing the tests step-by-step to avoid other reasons. Maybe I can tell
> more in some hours.
excellent!
btw, a failover setup with drbd would probably interest
other folks too, care to write a few lines for a howto?
TIA,
Herbert
>
> Helmut Wollmersdorfer
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