[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] RE: [Xen-devel] starting domain when block device already mounted
Oops. This machine is actually using something pre-2.0, so please ignore everything I've said :) I'll complain again if it doesn't work when I upgrade this machine. Sorry about that. James > -----Original Message----- > From: xen-devel-admin@xxxxxxxxxxxxxxxxxxxxx [mailto:xen-devel- > admin@xxxxxxxxxxxxxxxxxxxxx] On Behalf Of James Harper > Sent: Monday, 17 January 2005 09:49 > To: Ian Pratt; xen-devel@xxxxxxxxxxxxxxxxxxxxx > Subject: RE: [Xen-devel] starting domain when block device already mounted > > 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@xxxxxxxxxxxx] > > Sent: Monday, 17 January 2005 09:34 > > To: James Harper; xen-devel@xxxxxxxxxxxxxxxxxxxxx > > 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@xxxxxxxxxxxxxxxxxxxxx > > > 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@xxxxxxxxxxxxxxxxxxxxx > 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@xxxxxxxxxxxxxxxxxxxxx https://lists.sourceforge.net/lists/listinfo/xen-devel
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