Hello,
I have two doubts regarding XEN installation.1. I''m planning to
install XEN in a hardware node in such a manner that, the VM''s in it
will take the space from a SAN storage. But my doubt is that, in the above case,
can we configure in such a manner that the OS files of VM should remain in the
hardware node itself and only the data ( html files and mysql databases) go to
the SAN. If it can be configured like this, is that easy to do so. Or else, do
we need to put both the OS files and data files of the VM in the SAN storage?
2. I have also a plan to implement HA for the hardware node. If so, how I can do
that.I mean do I need to setup two servers with XEN virtualisation and make one
as the HA of other? If so, how will be the VM;s working from HA, when the main
node goes down?
I''ll be so happy if you ppl can shed some light on this. I''m a
newbie to XEN. So please excuse if my question is a simple one.
Thanks,Gopihere.
The INTERNET now has a personality. YOURS! See your Yahoo! Homepage.
http://in.yahoo.com/
_______________________________________________
Xen-users mailing list
Xen-users@lists.xensource.com
http://lists.xensource.com/xen-users
Hello,
I have two doubts regarding XEN installation.1. I''m planning to
install XEN in a hardware node in such a manner that, the VM''s in it
will take the space from a SAN storage. But my doubt is that, in the above case,
can we configure in such a manner that the OS files of VM should remain in the
hardware node itself and only the data ( html files and mysql databases) go to
the SAN. If it can be configured like this, is that easy to do so. Or else, do
we need to put both the OS files and data files of the VM in the SAN storage?
2. I have also a plan to implement HA for the hardware node. If so, how I can do
that.I mean do I need to setup two servers with XEN virtualisation and make one
as the HA of other? If so, how will be the VM;s working from HA, when the main
node goes
down?
I''ll be so happy if you ppl can shed some light on this. I''m a
newbie to XEN. So please excuse if my question is a simple one.
Thanks,Gopihere.
The INTERNET now has a personality. YOURS! See your Yahoo! Homepage.
The INTERNET now has a personality. YOURS! See your Yahoo! Homepage.
http://in.yahoo.com/
_______________________________________________
Xen-users mailing list
Xen-users@lists.xensource.com
http://lists.xensource.com/xen-users
For HA, this is a nice article although it has not covered fencing. http://magazine.redhat.com/2007/08/23/automated-failover-and-recovery-of-virtualized-guests-in-advanced-platform/ Paras. On Thu, Dec 31, 2009 at 11:53 AM, Gopi Here <gopihere@ymail.com> wrote:> Hello, > > I have two doubts regarding XEN installation. > 1. I''m planning to install XEN in a hardware node in such a manner that, > the VM''s in it will take the space from a SAN storage. But my doubt is that, > in the above case, can we configure in such a manner that the OS files of VM > should remain in the hardware node itself and only the data ( html files and > mysql databases) go to the SAN. If it can be configured like this, is that > easy to do so. Or else, do we need to put both the OS files and data files > of the VM in the SAN storage? > > 2. I have also a plan to implement HA for the hardware node. If so, how I > can do that. > I mean do I need to setup two servers with XEN virtualisation and make one > as the HA of other? If so, how will be the VM;s working from HA, when the > main node goes down? > > I''ll be so happy if you ppl can shed some light on this. I''m a newbie to > XEN. So please excuse if my question is a simple one. > > Thanks, > Gopihere. > > ------------------------------ > The INTERNET now has a personality. YOURS! See your Yahoo! Homepage<http://in.rd.yahoo.com/tagline_yyi_1/*http://in.yahoo.com/> > . > _______________________________________________ > Xen-users mailing list > Xen-users@lists.xensource.com > http://lists.xensource.com/xen-users >_______________________________________________ Xen-users mailing list Xen-users@lists.xensource.com http://lists.xensource.com/xen-users
Hello, Thanks and that was indeed a nice article. Can anyone put some light on my first question.>>1. I''m planning to install XEN in a hardware node in such a mannerthat, the VM''s in it will take the space from a SAN storage. But my doubt is that, in the above case, can we configure in such a manner that the OS files of VM should remain in the hardware node itself and only the data ( html files and mysql databases) go to the SAN. If it can be configured like this, is that easy to do so. Or else, do we need to put both the OS files and data files of the VM in the SAN storage? Can anyone help me.. Ya..wishing the XEN family a very happy new year :) --- On Thu, 31/12/09, Paras pradhan <pradhanparas@gmail.com> wrote: From: Paras pradhan <pradhanparas@gmail.com> Subject: Re: [Xen-users] Xen and High Availibilty To: "Gopi Here" <gopihere@ymail.com> Cc: xen-users@lists.xensource.com Date: Thursday, 31 December, 2009, 6:56 PM For HA, this is a nice article although it has not covered fencing. http://magazine.redhat.com/2007/08/23/automated-failover-and-recovery-of-virtualized-guests-in-advanced-platform/ Paras. On Thu, Dec 31, 2009 at 11:53 AM, Gopi Here <gopihere@ymail.com> wrote: Hello, I have two doubts regarding XEN installation.1. I''m planning to install XEN in a hardware node in such a manner that, the VM''s in it will take the space from a SAN storage. But my doubt is that, in the above case, can we configure in such a manner that the OS files of VM should remain in the hardware node itself and only the data ( html files and mysql databases) go to the SAN. If it can be configured like this, is that easy to do so. Or else, do we need to put both the OS files and data files of the VM in the SAN storage? 2. I have also a plan to implement HA for the hardware node. If so, how I can do that.I mean do I need to setup two servers with XEN virtualisation and make one as the HA of other? If so, how will be the VM;s working from HA, when the main node goes down? I''ll be so happy if you ppl can shed some light on this. I''m a newbie to XEN. So please excuse if my question is a simple one. Thanks,Gopihere. The INTERNET now has a personality. YOURS! See your Yahoo! Homepage. _______________________________________________ Xen-users mailing list Xen-users@lists.xensource.com http://lists.xensource.com/xen-users The INTERNET now has a personality. YOURS! See your Yahoo! Homepage. http://in.yahoo.com/ _______________________________________________ Xen-users mailing list Xen-users@lists.xensource.com http://lists.xensource.com/xen-users
Hi,> I have two doubts regarding XEN installation. > 1. I''m planning to install XEN in a hardware node in such a manner that, theVM''s in it will> take the space from a SAN storage. But my doubt is that, in the above case,can we configure in> such a manner that the OS files of VM should remain in the hardware nodeitself and only the data Sure, that''s easy, One virtual drive from the node itself with the system, the other one from SAN with the databases and html files. Just as you would give a computer more than one disk ....> Or else, do we need to put both the OS files and data files of the VM in the SAN storage?If you plan implementing HA you must do that.> 2. I have also a plan to implement HA for the hardware node. If so, how I can do that.There are many way''s to do that. You could use Heartbeat, or consider using CentOS or Scientific Linux and run it with clustering. (or use RHEL if you want payed support). In all cases you need to put the OS for the virtual machine on shared storage, or migration will not work. The RHEL Cluster supports restarting failed virtual machines, restarts machines on a failed ha node, supports live migration between nodes and so on. A two node cluster is a little bit special, it works, but better use at least 3 nodes. Sincerly, Klaus _______________________________________________ Xen-users mailing list Xen-users@lists.xensource.com http://lists.xensource.com/xen-users