From: Paolo Bonzini <pbonzini@redhat.com>
To: Michael Tokarev <mjt@tls.msk.ru>
Cc: qemu-devel@nongnu.org, lirans@il.ibm.com
Subject: [Qemu-devel] Re: [PATCH 0/3 v4] Live migration without shared storage
Date: Mon, 12 Oct 2009 18:51:32 +0200 [thread overview]
Message-ID: <4AD35E94.2040108@redhat.com> (raw)
In-Reply-To: <4AD354A1.20401@msgid.tls.msk.ru>
On 10/12/2009 06:09 PM, Michael Tokarev wrote:
> lirans@il.ibm.com wrote:
>> This series adds support for live migration without shared storage,
>> means copy the storage while migrating. It was tested with KVM.
>> Supports 2 ways to replicate the storage during migration:
>> 1. Complete copy of storage to destination 2. Assuming the storage is
>> cow based, copy only the allocated data, time of the migration will be
>> linear with the amount of allocated data (user responsibility to
>> verify that the same backend file reside on src and destination).
>
> Hmm. How about something like:
>
> migrate exec:"rsync file1 file2 ... remote: && nc remote port"
That can surely work to copy the base files, but it is a task for an
upper level like libvirt. For qemu, copying the copy-on-write data is
enough.
Paolo
next prev parent reply other threads:[~2009-10-12 16:51 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-10-12 16:24 [Qemu-devel] [PATCH 0/3 v4] Live migration without shared storage lirans
2009-10-12 16:09 ` Michael Tokarev
2009-10-12 16:51 ` Paolo Bonzini [this message]
2009-10-13 8:14 ` [Qemu-devel] " Liran Schour
2009-10-13 8:18 ` Paolo Bonzini
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