Re: [ClusterLabs] design of a two-node cluster

On 15/12/15 06:35 PM, Lentes, Bernd wrote: > > > Digimer wrote: >> To prevent a dual fence, where both nodes fence each other when >> communication between the nodes fail but the nodes are otherwise >> healthy, you need to set a fence delay against one of the nodes. So when >> this happens, if th

Re: [ClusterLabs] design of a two-node cluster

Digimer wrote: > To prevent a dual fence, where both nodes fence each other when > communication between the nodes fail but the nodes are otherwise > healthy, you need to set a fence delay against one of the nodes. So when > this happens, if the delay is on node 1, this will happen; > > Node 1 l

Re: [ClusterLabs] design of a two-node cluster

On 08/12/15 11:53 AM, Lentes, Bernd wrote: > Digimer wrote: > >>> My ideas/questions: >>> >>> Should I install all vm's in one partition or every vm in a seperate >>> partition ? The advantage of one vm per partition is that I don't need >>> a cluster fs, right ? >> >> I would put each VM on a ded

Re: [ClusterLabs] design of a two-node cluster

Digimer wrote: > > My ideas/questions: > > > > Should I install all vm's in one partition or every vm in a seperate > > partition ? The advantage of one vm per partition is that I don't need > > a cluster fs, right ? > > I would put each VM on a dedicated LV and not have an FS between the > VM an

Re: [ClusterLabs] design of a two-node cluster

On 08/12/15 07:32 AM, Ferenc Wagner wrote: > Digimer writes: > >> We have, as I mentioned, one small LV formatted with gfs2 where we >> store the VM's XML files (so that any change made to a VM is >> immediately available to all nodes. > > Another option is rewriting the resource agent to get th

Re: [ClusterLabs] design of a two-node cluster

On 08/12/15 03:13 AM, Lentes, Bernd wrote: > Digimer wrote: > > Should I install all vm's in one partition or every vm in a seperate > partition ? The advantage of one vm per partition is that I don't > need a cluster fs, right ? I would put each VM on a dedicated LV and not

Re: [ClusterLabs] design of a two-node cluster

Check something like [community version] ProxMox great way to administer your KVMs /Steffen > On 7. dec. 2015, at 18.35, Lentes, Bernd > wrote: > > Hi, > > i've been asking all around here a while ago. Unfortunately I couldn't > continue to work on my cluster, so I'm st

Re: [ClusterLabs] design of a two-node cluster

"Lentes, Bernd" writes: > How can i migrate my current vm's ? They are stored in raw files (one or > two). > How do I transfer them to a naked lv ? If they are of raw format, you can simply copy them into big enough LVs. If they are of any other format (like qcow), use qemu-img to convert them

Re: [ClusterLabs] design of a two-node cluster

Digimer writes: > We have, as I mentioned, one small LV formatted with gfs2 where we > store the VM's XML files (so that any change made to a VM is > immediately available to all nodes. Another option is rewriting the resource agent to get the domain XML from a resource parameter. Then it's aut

Re: [ClusterLabs] design of a two-node cluster

08.12.2015 11:13, Lentes, Bernd wrote: Digimer wrote: Should I install all vm's in one partition or every vm in a seperate partition ? The advantage of one vm per partition is that I don't need a cluster fs, right ? I would put each VM on a dedicated LV and not have an FS between the VM and

Re: [ClusterLabs] design of a two-node cluster

Digimer wrote: > >>> Should I install all vm's in one partition or every vm in a seperate > >>> partition ? The advantage of one vm per partition is that I don't > >>> need a cluster fs, right ? > >> > >> I would put each VM on a dedicated LV and not have an FS between > the > >> VM and the host.

Re: [ClusterLabs] design of a two-node cluster

On 07/12/15 03:27 PM, Lentes, Bernd wrote: > Digimer wrote: >> >> On 07/12/15 12:35 PM, Lentes, Bernd wrote: >>> Hi, >>> >>> i've been asking all around here a while ago. Unfortunately I couldn't >>> continue to work on my cluster, so I'm still thinking about the > design. >>> I hope you will help

Re: [ClusterLabs] design of a two-node cluster

Digimer wrote: > > On 07/12/15 12:35 PM, Lentes, Bernd wrote: > > Hi, > > > > i've been asking all around here a while ago. Unfortunately I couldn't > > continue to work on my cluster, so I'm still thinking about the design. > > I hope you will help me again with some recommendations, because > wh

Re: [ClusterLabs] design of a two-node cluster

On 07/12/15 12:35 PM, Lentes, Bernd wrote: > Hi, > > i've been asking all around here a while ago. Unfortunately I couldn't > continue to work on my cluster, so I'm still thinking about the design. > I hope you will help me again with some recommendations, because when the > cluster is running cha

[ClusterLabs] design of a two-node cluster

Hi, i've been asking all around here a while ago. Unfortunately I couldn't continue to work on my cluster, so I'm still thinking about the design. I hope you will help me again with some recommendations, because when the cluster is running changing of the design is not possible anymore. These are