From: Stuart Sheldon <stu@actusa.net>
To: kvm@vger.kernel.org
Subject: Re: Live Migration KVM-84 Stock Vanilla 2.6.28.7
Date: Mon, 16 Mar 2009 19:15:06 -0700 [thread overview]
Message-ID: <49BF07AA.9070709@actusa.net> (raw)
In-Reply-To: <49BEEAD1.7040406@actusa.net>
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Update on this...
The 32bit guests migrate fine if they are under low load. It looks like
the 64bit guests consistently become unresponsive during the migration.
Stu
Stuart Sheldon wrote:
> Hey all,
>
> I started testing live migration and seem to have his a snag... It
> appears to only occasionally work. Here is my setup:
>
> 2 Identical Machines:
> Intel(R) Xeon(R) CPU 3050 @ 2.13GHz
> 8G Ram
> Debian Lenny 64bit
> Vanilla 2.6.28.7 kernel (loading kernel modules, not KVM-84 modules)
> KVM-84
>
> Both machines are attached to an NFS server for the guest files.
>
> Trying to transfer hosts using virtio for net and controller. Guests are
> running 2.6.28.7 with KVM enhancement stuff built in.
>
> host started with:
> /usr/local/kvm/bin/qemu-system-x86_64 -name lenny64/1
> -m1024 -nographic -monitor telnet:localhost:5501,server,nowait
> -serial telnet:localhost:5601,server,nowait
> -drivefile=/home/lenny64/hdisc.img,if=virtio,cache=writeback,boot=on
> -
> -netnic,macaddr=52:54:00:12:00:01,model=virtio-nettap,ifname=tap1,script=/etc/kvm/kvm-ifup-br0
>
> -daemonize
>
> Migration Host Started With
> host started with:
> /usr/local/kvm/bin/qemu-system-x86_64 -name lenny64/1
> -m1024 -nographic -monitor telnet:localhost:5501,server,nowait
> -serial telnet:localhost:5601,server,nowait
> -drivefile=/home/lenny64/hdisc.img,if=virtio,cache=writeback,boot=on
> -
> -netnic,macaddr=52:54:00:12:00:01,model=virtio-nettap,ifname=tap1,script=/etc/kvm/kvm-ifup-br0
>
> -daemonize -incoming tcp:0:4601
>
> Execute migrate tcp:migrationhost:4601
>
> Sometimes it moves without a problem, other times the migrated host
> hangs without reponse...
>
> Let me know what I can do to help fix this feature, or if I'm doing
> something wrong...
>
> Thanks in advance,
>
> Stu Sheldon
> ACT USA
>
>
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prev parent reply other threads:[~2009-03-17 2:15 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-03-17 0:12 Live Migration KVM-84 Stock Vanilla 2.6.28.7 Stuart Sheldon
2009-03-17 2:15 ` Stuart Sheldon [this message]
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