From mboxrd@z Thu Jan 1 00:00:00 1970 From: Anthony Liguori Subject: Re: starting domain when block device already mounted Date: Sun, 16 Jan 2005 17:07:42 -0600 Message-ID: <41EAF3BE.8050000@codemonkey.ws> References: Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: Sender: xen-devel-admin@lists.sourceforge.net Errors-To: xen-devel-admin@lists.sourceforge.net List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , List-Archive: To: James Harper Cc: xen-devel@lists.sourceforge.net List-Id: xen-devel@lists.xenproject.org Are you mounting the device within dom0 after creating the domU? I'm not sure there's anything Xend can do about that. Regards, James Harper wrote: >My disks line is: > >disk = [ 'phy:vg00/mail,0301,w', 'phy:vg00/mail-swap,0302,w' ] > >The unpriv domain is up and running again, although I don't know what >damage has been done. /etc/passwd was missing though which is not a good >sign. I found it in /lost+found, but who knows what else is missing! > >Thanks > >James > > > >>-----Original Message----- >>From: Ian Pratt [mailto:m+Ian.Pratt@cl.cam.ac.uk] >>Sent: Monday, 17 January 2005 09:34 >>To: James Harper; xen-devel@lists.sourceforge.net >>Subject: RE: [Xen-devel] starting domain when block device already >> >> >mounted > > >>>I just had a filesystem hosed in an unpriv domain (ext3 >>>errors all over >>>the place), and then when I went to do a fsck on the block device it >>>told me it was already mounted, and sure enough, dom0 already had >>> >>> >the > > >>>device mounted. Would that cause a filesystem crash, or at >>>least errors? >>>Dom0 wasn't doing anything to the filesystem, and the unpriv >>>domain had >>>been up for a few weeks before this occurred. >>> >>> >>Mounting an ext3 file system writeable in two domains is almost >> >> >certain > > >>to destroy it. >> >>The tools try and prevent this. Was it a 'file:' vbd? There's >> >> >currently > > >>no safety checks for those, but there should be for physical partition >>and LVM volumes. >> >>Ian >> >> >> >>>Anyway, I've done this a few times before by mistake - made a few >>>changes to the unpriv domain's filesystem from dom0 and forgot to >>>unmount it before starting the domain. Is there any easy way >>>to get 'xm >>>create' to check before starting that none of the block devices it >>> >>> >is > > >>>about to export are in use? Such a thing would probably save me >>>countless headaches in the future! (or maybe it's been done >>>already? I'm >>>running 2.0.1) >>> >>>Thanks >>> >>>James >>> >>> >>>------------------------------------------------------- >>>The SF.Net email is sponsored by: Beat the post-holiday blues >>>Get a FREE limited edition SourceForge.net t-shirt from ThinkGeek. >>>It's fun and FREE -- well, >>> >>> >almost....http://www.thinkgeek.com/sfshirt > > >>>_______________________________________________ >>>Xen-devel mailing list >>>Xen-devel@lists.sourceforge.net >>>https://lists.sourceforge.net/lists/listinfo/xen-devel >>> >>> >>> > > > >------------------------------------------------------- >The SF.Net email is sponsored by: Beat the post-holiday blues >Get a FREE limited edition SourceForge.net t-shirt from ThinkGeek. >It's fun and FREE -- well, almost....http://www.thinkgeek.com/sfshirt >_______________________________________________ >Xen-devel mailing list >Xen-devel@lists.sourceforge.net >https://lists.sourceforge.net/lists/listinfo/xen-devel > > > ------------------------------------------------------- The SF.Net email is sponsored by: Beat the post-holiday blues Get a FREE limited edition SourceForge.net t-shirt from ThinkGeek. It's fun and FREE -- well, almost....http://www.thinkgeek.com/sfshirt