From: Anthony Liguori <aliguori@us.ibm.com>
To: Ewan Mellor <ewan@xensource.com>
Cc: xen-devel@lists.xensource.com
Subject: Re: Re: Rename all dying domains to be prefixed with Zombie. This allows a new domain
Date: Thu, 06 Oct 2005 10:14:25 -0500 [thread overview]
Message-ID: <43453F51.3050001@us.ibm.com> (raw)
In-Reply-To: <20051006135747.GB21233@uk.xensource.com>
Ewan Mellor wrote:
>On Thu, Oct 06, 2005 at 09:47:23AM -0400, Sean Dague wrote:
>
>
>If a domain has been destroyed, even if it's a zombie in the dying state, it
>will never execute another instruction. Xen may be unable to clean up after
>it, but you are guaranteed that it won't write to the filesystem any longer.
>
>
It doesn't need to. There's no guarentee that the backend has flushed
all of the data in the write queue until after the domain has been
destroyed.
You could potentially have a domain read from a block device and then
the dying domain flush some changes to the disk and end up with a
corrupted disk.
Regards,
Anthony Liguori
>Ewan.
>
>_______________________________________________
>Xen-devel mailing list
>Xen-devel@lists.xensource.com
>http://lists.xensource.com/xen-devel
>
>
>
next prev parent reply other threads:[~2005-10-06 15:14 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <E1ENSnM-0002c4-RB@xenbits.xensource.com>
2005-10-06 13:47 ` Rename all dying domains to be prefixed with Zombie. This allows a new domain Sean Dague
2005-10-06 13:57 ` Ewan Mellor
2005-10-06 15:14 ` Anthony Liguori [this message]
2005-10-06 17:37 ` harry
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