libvirt users - Jul 2012 - live migration

Hello, everybody.? ? ?I use?NFS to do live migration?After input ?virsh
--connect=qemu:///system --quiet migrate --live vm12 qemu+tcp://pcmk-1/system
?(vm12 ?is vm name,/pcmk-1 is host name)it use almost 10s for
preparation.?During the 10s,the vm is still runing and can ping other vm. But if
i input mkdir pcmk-6 in vm during the 10s,it say :mkdir: cannot create directory
`pcmk-6': Read-only file system.? ? ?Anybody can tell me this situation is
due to my wrong configure or libvirt cannot mkdir during migration?thanks!
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On 07/10/2012 06:46 AM, hcyy wrote:
> Hello, everybody.     I use NFS to do live migration?After input  virsh
> --connect=qemu:///system --quiet migrate --live vm12
qemu+tcp://pcmk-1/system  (vm12  is vm name,/pcmk-1 is host name)it use almost
10s for preparation. During the 10s,the vm is still runing and can ping other
vm. But if i input mkdir pcmk-6 in vm during the 10s,it say :mkdir: cannot
create directory `pcmk-6': Read-only file system.     Anybody can tell me
this situation is due to my wrong configure or libvirt cannot mkdir during
migration?thanks!
The act of migration should not be guest-visible, so if you are seeing a
read-only directory from within your guest, it is most likely some other
issue and not migration itself that caused the problem.

-- 
Eric Blake   eblake at redhat.com    +1-919-301-3266
Libvirt virtualization library http://libvirt.org



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