[Linux-HA] Network failover and communication channel survival

2013-04-30 Thread Richard Comblen
Hi all, I have a two node setup with replicated PostgreSQL DB (master/slave setup). Focus is on keeping the system up and running, not on capacity. All good, that works fine. Now, a new requirement shows up: the two nodes should be connected using two physically separated networks, and should

Re: [Linux-HA] Network failover and communication channel survival

2013-04-30 Thread Lang, David
I've thought about this for a few years, but have not yet implemented it. What I would look at is setting up a new virtual network that trunks your two physical networks together and you can then use the IP on that trunk for your communication. David Lang Richard Comblen

Re: [Linux-HA] Network failover and communication channel survival

2013-04-30 Thread emmanuel segura
maybe you can use openvswitch 2013/4/30 Lang, David david_l...@intuit.com I've thought about this for a few years, but have not yet implemented it. What I would look at is setting up a new virtual network that trunks your two physical networks together and you can then use the IP on that

Re: [Linux-HA] Network failover and communication channel survival

2013-04-30 Thread Andrew Beekhof
On 30/04/2013, at 9:58 PM, Richard Comblen richard.comb...@kreios.lu wrote: Hi all, I have a two node setup with replicated PostgreSQL DB (master/slave setup). Focus is on keeping the system up and running, not on capacity. All good, that works fine. Now, a new requirement shows up:

Re: [Linux-HA] Network failover and communication channel survival

2013-04-30 Thread Lars Marowsky-Bree
On 2013-04-30T13:58:02, Richard Comblen richard.comb...@kreios.lu wrote: Now, a new requirement shows up: the two nodes should be connected using two physically separated networks, and should survive failure of one of the two networks. The two nodes communicate together for PostgreSQL