Re: [Linux-HA] Single Point of Failure

2012-01-12 Thread Jakob Curdes
Am 13.01.2012 00:22, schrieb Paul O'Rorke: > hmmm - it looks like I may have to re-evaluate this. > > Given that this is a HA-Linux list, and that if I understand this correctly > it is not really designed for multi-site clusters, can anyone suggest a > more suitable technology? (the server is runn

[Linux-HA] Antw: Re: Single Point of Failure

2012-01-12 Thread Ulrich Windl
>>> Miles Fidelman schrieb am 12.01.2012 um 21:59 >>> in Nachricht <4f0f49ad.8010...@meetinghouse.net>: [...] > Not really. ha-linux is primarily for local clusters, not > geographically dispersed ones. You can use ha-linux to make a single The reason probably is that the cluster nodes are

[Linux-HA] Antw: Single Point of Failure

2012-01-12 Thread Ulrich Windl
>>> "Paul O'Rorke" schrieb am 12.01.2012 um 21:20 in Nachricht : > Please excuse me if this is documented and I failed to find it. I have > been investigating ha-linux to provide Business Continuity in our mail > server. Currently we have a single mail server in our main office. We > would like

Re: [Linux-HA] Resended : Understanding how heartbeat and pacemaker work together

2012-01-12 Thread Niclas Müller
Is it necessary to put services like drbd, apache or mysql into pacemaker as a resource ? It worked without that, but is it better to add this as a service ? On 01/13/2012 01:59 AM, Andreas Kurz wrote: > Hello, > > On 01/12/2012 11:29 PM, Niclas Müller wrote: > >> That the VirtualIP isn't sh

Re: [Linux-HA] Resended : Understanding how heartbeat and pacemaker work together

2012-01-12 Thread Andreas Kurz
Hello, On 01/12/2012 11:29 PM, Niclas Müller wrote: > That the VirtualIP isn't shown by 'ifconfig -a' is realy nice, because i > made my failed search on this because of this howto : > > http://www.howtoforge.com/high_availability_loadbalanced_apache_cluster You follow a howto from the year 200

Re: [Linux-HA] Single Point of Failure

2012-01-12 Thread Andreas Kurz
On 01/13/2012 12:22 AM, Paul O'Rorke wrote: > hmmm - it looks like I may have to re-evaluate this. > > Geographic redundency is the point of this exercise, our office is in a > location that has is less than ideal history for power reliability. We are > a small software company and rely on email

Re: [Linux-HA] Single Point of Failure

2012-01-12 Thread Miles Fidelman
Paul O'Rorke wrote: > > Geographic redundency is the point of this exercise, our office is in a > location that has is less than ideal history for power reliability. We are > a small software company and rely on email for online sales and product > delivery so our solution - what ever it be - must

Re: [Linux-HA] Single Point of Failure

2012-01-12 Thread Dimitri Maziuk
On 01/12/2012 05:22 PM, Paul O'Rorke wrote: > hmmm - it looks like I may have to re-evaluate this. > > Geographic redundency is the point of this exercise, our office is in a > location that has is less than ideal history for power reliability. We are > a small software company and rely on email

Re: [Linux-HA] Single Point of Failure

2012-01-12 Thread Paul O'Rorke
hmmm - it looks like I may have to re-evaluate this. Geographic redundency is the point of this exercise, our office is in a location that has is less than ideal history for power reliability. We are a small software company and rely on email for online sales and product delivery so our solution

Re: [Linux-HA] Resended : Understanding how heartbeat and pacemaker work together

2012-01-12 Thread Niclas Müller
That the VirtualIP isn't shown by 'ifconfig -a' is realy nice, because i made my failed search on this because of this howto : http://www.howtoforge.com/high_availability_loadbalanced_apache_cluster Im going to understand now all. I've configurated a resource for failover-ip from your link,

Re: [Linux-HA] Resended : Understanding how heartbeat and pacemaker work together

2012-01-12 Thread Andreas Kurz
On 01/12/2012 10:22 PM, Niclas Müller wrote: > I'm currently going to setup a Linux HA Cluster with apache and MySQL. > I've created three VM with KVM Vitalization. One NetworkManager as DNS > and DHCP Server, and two other as Cluster Nodes. All VMs are both Debian > Squeeze minimal installations.

Re: [Linux-HA] Single Point of Failure

2012-01-12 Thread Arnold Krille
On Thursday 12 January 2012 22:14:41 Jakob Curdes wrote: > Miles Fidelman wrote: > > - you can set up a 2ndry server (give it an MX record with lower > > priority than the primary server) - it will receive mail when the > > primary goes down; and you can set up the mail config to forward stuff > >

[Linux-HA] Resended : Understanding how heartbeat and pacemaker work together

2012-01-12 Thread Niclas Müller
I'm currently going to setup a Linux HA Cluster with apache and MySQL. I've created three VM with KVM Vitalization. One NetworkManager as DNS and DHCP Server, and two other as Cluster Nodes. All VMs are both Debian Squeeze minimal installations. On the Nodes i've installed the packages heartbeat an

Re: [Linux-HA] Single Point of Failure

2012-01-12 Thread Jakob Curdes
Miles Fidelman wrote: > - you can set up a 2ndry server (give it an MX record with lower > priority than the primary server) - it will receive mail when the > primary goes down; and you can set up the mail config to forward stuff > automatically to the primary server when it comes back up -- people

Re: [Linux-HA] Single Point of Failure

2012-01-12 Thread Miles Fidelman
Paul O'Rorke wrote: > Please excuse me if this is documented and I failed to find it. I have > been investigating ha-linux to provide Business Continuity in our mail > server. Currently we have a single mail server in our main office. We > would like to set up a second server in a geographically

[Linux-HA] Single Point of Failure

2012-01-12 Thread Paul O'Rorke
Please excuse me if this is documented and I failed to find it. I have been investigating ha-linux to provide Business Continuity in our mail server. Currently we have a single mail server in our main office. We would like to set up a second server in a geographically different location and make

[Linux-HA] Unknown Problems with Heartbeat

2012-01-12 Thread Niclas Müller
Hey Guys, I'm currently going to setup a Linux HA Cluster with apache and MySQL. I've created three VM with KVM Vitalization. One NetworkManager as DNS and DHCP Server, and two other as Cluster Nodes. All VMs are both Debian Squeeze minimal installations. On the Nodes i've installed the package

Re: [Linux-HA] if promote runs into timeout

2012-01-12 Thread Florian Haas
On Tue, Jan 10, 2012 at 4:44 PM, erkan yanar wrote: > On Tue, Jan 10, 2012 at 10:20:02AM +0100, Andreas Kurz wrote: >> Hello, >> >> On 01/06/2012 06:14 PM, erkan yanar wrote: >> > >> > Moin, >> > >> > Im having the issue, that promoting a master can run into the promote >> > timeout. >> > After t