Re: [gentoo-user] Load Balancing / Redundant Network ?

2005-09-28 Thread Yoann Pannier
Mal Herring wrote, On 09/19/2005 09:10 AM: > Can the eth ports when using the bonding driver get plugged into > different switches ? Yes. from /usr/src/linux/Documentation/networking/bonding.txt: 12.2 High Availability in a Multiple Switch Topology --

RE: [gentoo-user] Load Balancing / Redundant Network ?

2005-09-19 Thread Mal Herring
> In a bonding situation don't both NIC's need to be plugged > into the same switch or have things changed in the technology > recently? I think the failure that the original author is > trying to plan for is a switch failure not a NIC failure. Thanks for all the replies, I was pointed in the d

Re: [gentoo-user] Load Balancing / Redundant Network ?

2005-09-18 Thread kashani
Scott Storck wrote: LACP is that multiple links between the switch and the server are used as one logical link. If one dies, then the others are still used. I have tested it using setups of 2 and 4 gigabit links, and I have had no problems. In a bonding situation don't both NIC's need to be

Re: [gentoo-user] Load Balancing / Redundant Network ?

2005-09-18 Thread Scott Storck
Hallo Mal, Mal Herring schrieb: Hi List, Been looking on forums.gentoo.org looking for a way to pair two NIC's so that should the primary fail, the secondary takes over... I use the LACP protocol ( IEEE 802.1ad) between my switches and my servers, it is one of the bonding modes offered by t

Re: [gentoo-user] Load Balancing / Redundant Network ?

2005-09-16 Thread A. Khattri
On Thu, 15 Sep 2005, Mike Williams wrote: > On Thursday 15 September 2005 19:08, A. Khattri wrote: > > Shame we dont have anything like CARP for Linux yet... (unless someone > > knows better?). > > UCARP, but it's fundamentally flawed, as iptables has no method to keep state > tables in sync betwe

Re: [gentoo-user] Load Balancing / Redundant Network ?

2005-09-15 Thread kashani
Mal Herring wrote: Hi List, Been looking on forums.gentoo.org looking for a way to pair two NIC's so that should the primary fail, the secondary takes over... The situation is this: 8 HP DL380G4's all running Gentoo moving into a data centre rack, the firewall is currently a Netscreen(Juniper)

Re: [gentoo-user] Load Balancing / Redundant Network ?

2005-09-15 Thread Mike Williams
On Thursday 15 September 2005 19:08, A. Khattri wrote: > Shame we dont have anything like CARP for Linux yet... (unless someone > knows better?). UCARP, but it's fundamentally flawed, as iptables has no method to keep state tables in sync between machines. Personally, I prefer to have iptables s

RE: [gentoo-user] Load Balancing / Redundant Network ?

2005-09-15 Thread A. Khattri
On Wed, 14 Sep 2005, Olaf Niermann wrote: > Maybe you can try a lookup onto 'heartbeat' (emerge -s heartbeat) allthough > it might be overloaded for your needs and I personally just use it for > failover between different physical servers. Just wanted to add that heartbeat is part of the HA Linux

Re: [gentoo-user] Load Balancing / Redundant Network ?

2005-09-14 Thread Bastian Balthazar Bux
Mal Herring wrote: > Hi List, > Been looking on forums.gentoo.org looking for a way to pair two NIC's so > that should the primary fail, the secondary takes over... > > The situation is this: > > 8 HP DL380G4's all running Gentoo moving into a data centre rack, the > firewall is currently a Netsc

RE: [gentoo-user] Load Balancing / Redundant Network ?

2005-09-14 Thread Olaf Niermann
Hi Mal, > Hi List, > Been looking on forums.gentoo.org looking for a way to pair > two NIC's so > that should the primary fail, the secondary takes over... Maybe you can try a lookup onto 'heartbeat' (emerge -s heartbeat) allthough it might be overloaded for your needs and I personally just use