From: Michal Novotny <minovotn@redhat.com>
To: Ian Jackson <Ian.Jackson@eu.citrix.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>,
"'xen-devel@lists.xensource.com'" <xen-devel@lists.xensource.com>,
Keir Fraser <Keir.Fraser@eu.citrix.com>
Subject: Re: [PATCH] Fix restore handling checks
Date: Wed, 23 Jun 2010 13:29:56 +0200 [thread overview]
Message-ID: <4C21F034.7060501@redhat.com> (raw)
In-Reply-To: <19489.61339.878715.309115@mariner.uk.xensource.com>
On 06/23/2010 01:27 PM, Ian Jackson wrote:
> Paolo Bonzini writes ("Re: [PATCH] Fix restore handling checks"):
>
>> We tried to get that to work, and we could not really find a device
>> error that worked reliably in the guests. We often got infinite loops
>> on mount or little after that, on both Linux and Windows.
>>
> That's fine. If the admins don't want that then they can use SCSI or
> PV or simply not tell the guest to write to the device.
>
> Disallowing the configuration entirely just because the error handling
> is suboptimal (but safe!) is not correct.
>
> Ian.
>
Why do you think so, Ian? This follows the IDE specifications to
disallow read-only IDE disks since the specs doesn't support IDE
read-only disks. The only read-only device being supported by IDE specs
is the CD-ROM device.
Michal
--
Michal Novotny<minovotn@redhat.com>, RHCE
Virtualization Team (xen userspace), Red Hat
next prev parent reply other threads:[~2010-06-23 11:29 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-06-21 16:30 [PATCH] Fix restore handling checks Michal Novotny
2010-06-21 18:04 ` Keir Fraser
2010-06-22 5:43 ` Michal Novotny
2010-06-22 6:11 ` Michal Novotny
2010-06-22 6:14 ` Keir Fraser
2010-06-22 6:17 ` Michal Novotny
2010-06-22 12:56 ` Michal Novotny
2010-06-22 14:10 ` Konrad Rzeszutek Wilk
2010-06-23 11:27 ` Michal Novotny
2010-06-22 20:46 ` Dan Magenheimer
2010-06-23 9:59 ` Michal Novotny
2010-06-23 11:21 ` Michal Novotny
2010-06-23 13:51 ` Dan Magenheimer
2010-06-23 14:14 ` Michal Novotny
2010-06-22 14:56 ` Ian Jackson
2010-06-23 11:19 ` Paolo Bonzini
2010-06-23 11:27 ` Ian Jackson
2010-06-23 11:29 ` Michal Novotny [this message]
2010-06-23 11:50 ` Ian Jackson
2010-06-23 11:54 ` Michal Novotny
2010-06-23 12:04 ` Ian Jackson
2010-06-23 12:10 ` Paolo Bonzini
2010-06-23 12:20 ` Michal Novotny
2010-06-23 12:20 ` Michal Novotny
2010-06-23 12:12 ` Michal Novotny
2010-06-23 12:33 ` Alan Cox
2010-06-23 15:12 ` George Dunlap
2010-06-23 16:26 ` Dan Magenheimer
2010-06-23 12:35 ` Alan Cox
2010-06-23 12:37 ` Michal Novotny
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