From: Dor Laor <dlaor@redhat.com>
To: Uri Lublin <uril@redhat.com>
Cc: Amos Kong <akong@redhat.com>,
Michael Goldish <mgoldish@redhat.com>,
kvm@vger.kernel.org
Subject: Re: [Autotest] [PATCH] Test 802.1Q vlan of nic
Date: Wed, 21 Oct 2009 17:49:42 +0200 [thread overview]
Message-ID: <4ADF2D96.6090405@redhat.com> (raw)
In-Reply-To: <4ADF10D0.3080405@redhat.com>
On 10/21/2009 03:46 PM, Uri Lublin wrote:
> On 10/21/2009 12:37 PM, Amos Kong wrote:
>> On Tue, Oct 20, 2009 at 09:19:50AM -0400, Michael Goldish wrote:
>>> ----- "Dor Laor"<dlaor@redhat.com> wrote:
>>>> On 10/15/2009 11:48 AM, Amos Kong wrote:
>>> For the sake of safety maybe we should start both VMs with -snapshot.
>>> Dor, what do you think? Is it safe to start 2 VMs with the same disk
>>> image
>>> when only one of them uses -snapshot?
>>
>> Setup the second VM with -snapshot is enough. The image can only be
>> R/W by 1th VM.
>>
>
> Actually, I agree with Michael. If both VMs use the same disk image, it
> is safer to setup both VMs with "-snapshot". When the first VM writes to
> the disk-image the second VM may be affected.
That's a must. If only one VM uses -snapshot, its base will get written
and the snapshot will get obsolete.
next prev parent reply other threads:[~2009-10-21 15:49 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <301351519.552421256044394416.JavaMail.root@zmail05.collab.prod.int.phx2.redhat.com>
2009-10-20 13:19 ` [Autotest] [PATCH] Test 802.1Q vlan of nic Michael Goldish
2009-10-20 13:38 ` Lucas Meneghel Rodrigues
2009-10-21 10:37 ` Amos Kong
2009-10-21 13:46 ` Uri Lublin
2009-10-21 15:49 ` Dor Laor [this message]
2009-10-27 4:07 ` [PATCH 1/2] KVM-test: Add execute permission to qemu-ifup script Amos Kong
2009-10-27 12:01 ` [Autotest] " Lucas Meneghel Rodrigues
2009-10-27 4:08 ` [PATCH 2/2] KSM-test: Test 802.1Q vlan of nic Amos Kong
2009-10-27 4:10 ` [Autotest] [PATCH] " Amos Kong
[not found] <702727267.642641256125764995.JavaMail.root@zmail05.collab.prod.int.phx2.redhat.com>
2009-10-21 11:56 ` Michael Goldish
2009-09-23 11:19 Amos Kong
2009-10-14 10:51 ` [Autotest] " Lucas Meneghel Rodrigues
2009-10-15 9:48 ` Amos Kong
2009-10-19 8:22 ` Dor Laor
2009-10-21 10:04 ` Amos Kong
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