Great help and thank you for your efforts to help others.
Quick quesions: The SAN should directly attached host if we do host
clustering?
Thank you.
"Paul Weterings" wrote:
Quote:
> Article is up:
> http://www.servercare.nl/Lists/Posts/Post.aspx?ID=72
>
>
> / ) Regards,
> / /_________
> _|__|__) Paul Weterings
> / (O_) http://www.servercare.nl
> __/ (O_)
> ____(O_)
>
>
> Paul Weterings wrote: Quote:
> > I'm actually in the process of writing an article on this, which will be
> > online in a few days.
> >
> > The trick is to have your virtual machines on separate clustered disks,
> > when you add a new VM, the cluster service checks at what clustered disk
> > the virtual machine is hosted. It will create "Service and application
> > groups' based on what disks these Virtual Machines are found.
> >
> > Example:
> >
> > server1
> > server2
> >
> > are on iSCSI Cluster Disk 1.
> >
> > server9
> > server8
> >
> > are on iSCSI Cluster disk 2
> >
> > When creating/importing vm's into cluster manager, it will create two
> > groups, the first containing server1 and server2, the other containing
> > server9 and server8.
> >
> > A mistake that would be easily made would be to expect each VM to be
> > assignable to a node. Since we are using shared storage, that is of
> > course not possible. Therefore the groups rather than the machines can
> > have node affinity.
> >
> > If you have created separate groups as described above, you'll find that
> > in the properties of the -groups- it is possible to select a particular
> > node to be the 'preferred owner'. This way you can 'balance' the usage
> > of resources on you fail over cluster.
> >
> > As said: I'll have a more in-depth & details article available soon on
> > my website. Until then, I hope this explanation answers your question!
> >
> >
> > / ) Regards,
> > / /_________
> > _|__|__) Paul Weterings
> > / (O_) http://www.servercare.nl
> > __/ (O_)
> > ____(O_)
> >
> >
> > John wrote: Quote:
> >> Hi all,
> >>
> >> If I have 12 VMs on two nodes Windows 2008 x64 Enterprise servers and
> >> I configued it as A/A failover cluster, does that mean that I only
> >> need two service and application group which each group hosts 6VMs
> >> (one 6VMs active on node1 and another 6VMs active on node2 )
> >>
> >> What if I go for A/A/A cluster with three nodes, does that mean I need
> >> three service and application groups (which each group hosts 4VMs (one
> >> 4VMs active on node1, one 4VMs on node2 and one 4 VMs on node3)? How
> >> do I configure PREFERRED OWNERS between them? any suggestions?
> >>
> >> Thank you!
> >>
> >>
> >>
> >>
> >>
>