Re: [Dnsmasq-discuss] Further thoughts/questions on failover

2021-09-03 Thread Ed W
On 02/09/2021 15:30, Chris Green wrote: > On Thu, Sep 02, 2021 at 02:58:44PM +0100, Kevin Tedder wrote: >> Personally, I'd rather have two systems fully operational all the time. To >> discover that the back up solution is not working at the critical moment is >> the same as not having a backup at

Re: [Dnsmasq-discuss] Further thoughts/questions on failover

2021-09-02 Thread Chris Green
On Thu, Sep 02, 2021 at 10:44:48AM -0700, Michael wrote: > > However, if you are running DHCP and dnsmasq is updating/maintaining a list > of host names of your local clients in the leases file, then only one of the > dnsmasq instances is going to know about those.    In this instance, I think > m

Re: [Dnsmasq-discuss] Further thoughts/questions on failover

2021-09-02 Thread Michael
On 9/2/21 5:45 AM, Chris Green wrote: I'm still ruminating on this problem! :-) A number of people are using docker containers to manage this, one live dnsmasq in a container is the default DNS/DHCP for the system and another dnsmasq container is maintained to keep its files in sync with the run

Re: [Dnsmasq-discuss] Further thoughts/questions on failover

2021-09-02 Thread Michael
On 9/2/21 6:58 AM, Kevin Tedder wrote: Chris You just need to update the /etc/resolv.conf file on each of your clients to point them at both DNS's. e.g nameserver 192.168.1.2 nameserver 192.168.1.3 The client will now ask both DNS servers. It will get a response even if one of them is off-line.

Re: [Dnsmasq-discuss] Further thoughts/questions on failover

2021-09-02 Thread Geoff Back
On 02/09/2021 15:30, Chris Green wrote: > On Thu, Sep 02, 2021 at 02:58:44PM +0100, Kevin Tedder wrote: >> Chris >> You just need to update the /etc/resolv.conf file on each of your clients to >> point them at both DNS's. >> >> e.g >> nameserver 192.168.1.2 >> nameserver 192.168.1.3 >> >> The cli

Re: [Dnsmasq-discuss] Further thoughts/questions on failover

2021-09-02 Thread Chris Green
On Thu, Sep 02, 2021 at 02:58:44PM +0100, Kevin Tedder wrote: > Chris > You just need to update the /etc/resolv.conf file on each of your clients to > point them at both DNS's. > > e.g > nameserver 192.168.1.2 > nameserver 192.168.1.3 > > The client will now ask both DNS servers. It will get a re

Re: [Dnsmasq-discuss] Further thoughts/questions on failover

2021-09-02 Thread Kevin Tedder
Chris You just need to update the /etc/resolv.conf file on each of your clients to point them at both DNS's. e.g nameserver 192.168.1.2 nameserver 192.168.1.3 The client will now ask both DNS servers. It will get a response even if one of them is off-line. Your solution to move the SD card to a