Hi, I have two machines set up with xen 3.0.2.2 on them with FC4. I run FC4 domU on one of them and do a live migration of domU to the other machine and it does work. Now I need to identify, when exactly the domain has completely migrated and starts running on the destination machine. (I know an xm list will help) But i want it to be done programatically so that i can calculate the overhead of migration with precision. Please suggest some ideas to go about this! Thank you, Arun _______________________________________________ Xen-users mailing list Xen-users@lists.xensource.com http://lists.xensource.com/xen-users
Javier Guerra
2006-Jun-04 02:34 UTC
Re: [Xen-users] How to find completion of domU migration?
On Saturday 03 June 2006 7:47 pm, Arun Babu wrote:> Now I need to identify, when exactly the domain has completely migrated and > starts running on the destination machine. (I know an xm list will help)the last step of migration is an ARP broadcast to update any switch''s MAC table. listen for that packet. -- Javier _______________________________________________ Xen-users mailing list Xen-users@lists.xensource.com http://lists.xensource.com/xen-users
Hi, Thank you for the reply. I am able to sniff for the ARP broadcast using tcpdump arp command, which gives me the time migration is completed.. (This is very convenient since it gives time in good precision) Is there a similar way to get the time exactly when the migration starts? Thank you, Arun ---------- Forwarded message ----------> From: Javier Guerra <javier@guerrag.com> > To: xen-users@lists.xensource.com > Date: Sat, 3 Jun 2006 21:34:53 -0500 > Subject: Re: [Xen-users] How to find completion of domU migration? > On Saturday 03 June 2006 7:47 pm, Arun Babu wrote: > > Now I need to identify, when exactly the domain has completely migrated > and > > starts running on the destination machine. (I know an xm list will help) > > the last step of migration is an ARP broadcast to update any switch''s MAC > table. listen for that packet. > > -- > Javier > > >_______________________________________________ Xen-users mailing list Xen-users@lists.xensource.com http://lists.xensource.com/xen-users
Márcio Parise Boufleur
2006-Jun-05 12:43 UTC
Re: [Xen-users] How to find completion of domU migration?
Hi, you can check the xend.log, there you''ll find all the info you need. It''s a little messy, but it''s very helpfull. boufleur On 6/5/06, Arun Babu <arunbabu.n@gmail.com> wrote:> > Hi, > Thank you for the reply. > I am able to sniff for the ARP broadcast using tcpdump arp command, which > gives me the time migration is completed.. (This is very convenient since it > gives time in good precision) > Is there a similar way to get the time exactly when the migration starts? > > Thank you, > Arun > > > > > ---------- Forwarded message ---------- > > From: Javier Guerra < javier@guerrag.com> > > To: xen-users@lists.xensource.com > > Date: Sat, 3 Jun 2006 21:34:53 -0500 > > Subject: Re: [Xen-users] How to find completion of domU migration? > > On Saturday 03 June 2006 7:47 pm, Arun Babu wrote: > > > Now I need to identify, when exactly the domain has completely migrated > and > > > starts running on the destination machine. (I know an xm list will help) > > > > the last step of migration is an ARP broadcast to update any switch''s MAC > > table. listen for that packet. > > > > -- > > Javier > > > > > > > > > _______________________________________________ > Xen-users mailing list > Xen-users@lists.xensource.com > http://lists.xensource.com/xen-users > >-- Computers are useless; they can only give you answers! -- Picasso _______________________________________________ Xen-users mailing list Xen-users@lists.xensource.com http://lists.xensource.com/xen-users