Re: CentOS 7 and keepalived

"Pim Rupert (Lemonbit)" <[email protected]>
Newsgroups gmane.linux.keepalived.devel
Message-ID <[email protected]>
Hi Chris,

> On 21 Feb 2015, at 16:18, Chris Johnson <[email protected]> wrote:
> 
> Is this list still viable or just quiet?  I'd love to talk to someone 
> who has keepalived working on CentOS 7.  I had it working on CentOS 6 
> running on a virtual cluster with VBox and two web servers in the same 
> cluster.  It's running on CentOS 7 to the extent that the two 
> keepaliveds are taking and transitioning and see the web servers.  But 
> all I get is the sorry server when I fetch from the VIP.  The 
> keepaliveds even notice when the web servers go up and down.  I added 
> two of those in VBox on another host for a total of four. The two 
> keepaliveds are running as DR/rr.
> 
> Help from a CentOS 7 admin would be much appreciated.   Tnx.

We have been running several keepalived instancens (both only VRRP, as well as together with IPVS) on CentOS 6 and 7 without issues. And I am positively sure that I am not the only one using keepalived on CentOS 7 succesfully. ;-)

Reading your message I get the impression that the virtual IP address may be directly routed to the sorry server. Perhaps you have not taken the ARP problem (when using LVS-DR) into consideration when setting up the virtual IP address on your servers? You can use arptables on CentOS 7 (previously arptables_jf on CentOS 6).

- Pim
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