RE: [Xen-devel] Re: Need help..

[I RATTAN <rattan@xxxxxxxxxxxxx>]

Here is more info.
---
Message produced by (xc_dom_create.py -Dvmid=1)

Parsing config file '/etc/xc/defaults'
VM image           : "/boot/xenolinux.gz"
VM ramdisk         : ""
VM memory (MB)     : "64"
VM IP address(es)  : "141.209.170.222; 169.254.1.1"
VM block device(s) : "phy:hda8,sda1,w; phy:hda7,sda6,r"
VM cmdline         : 
"ip=141.209.170.222:169.254.1.0:141.209.170.1:255.255.255.0::eth0:off 
root=/dev/sda1 ro 4 VMID=1 usr=/dev/sda6"
Warning: one or more hard disk extents are
         writeable by two or more domains simultaneously.
ERROR: This kind of disk sharing is not allowed
        at the current safety level (0).

--/etc/fstab (dom0, / is on hda5 and /usr on hda6)---
LABEL=/                 /                       ext3    defaults        1 1
none                    /dev/pts                devpts  gid=5,mode=620  0 0
none                    /proc                   proc    defaults        0 0
none                    /dev/shm                tmpfs   defaults        0 0
LABEL=/usr              /usr                    ext3    defaults        1 2
/dev/hda1               swap                    swap    defaults        0 0

--/etc/fstab (dom1)---
/dev/sda1               /                       ext3    defaults        1 1
none                    /dev/pts                devpts  gid=5,mode=620  0 0
none                    /proc                   proc    defaults        0 0
none                    /dev/shm                tmpfs   defaults        0 0
/dev/sda6               /usr                    ext3    defaults        1 2
---

-ishwar

On Wed, 21 Apr 2004, Neugebauer, Rolf wrote:

> xc_dom_create.py should create the correct kernel command line for dom1.
> In particular, it should pass the correct root partition to the domain
> based. That is the "virtual partition", i.e., /dev/sda1 in your setup
> from earlier today. The command line passed into the new domain should
> be printed out by the newly started domain (and IIRC by xc_dom_create.py
> as well)
>
> You still have to have the correct entries in dom1's /etc/fstab (based
> on the translation of physical partitions to 'virtual partitions' you
> create). That's /dev/sda1 for / and /dev/sda6 for /usr of you still have
> the same setup as you emailed earlier today.
>
> What's the error message you get?
>
> Rolf
>
> > -----Original Message-----
> > From: xen-devel-admin@xxxxxxxxxxxxxxxxxxxxx [mailto:xen-devel-
> > admin@xxxxxxxxxxxxxxxxxxxxx] On Behalf Of I RATTAN
> > Sent: 21 April 2004 01:25
> > To: xen-devel@xxxxxxxxxxxxxxxxxxxxx
> > Subject: [Xen-devel] Re: Need help..
> >
> > I have the partitions for separate / and /usr for domain-1
> > but no luck with domain-1 boot success. Domain-0 error about sharing
> > partitons across domians is gone though. So, I would like to know
> > how does exactly domain-1 boots(or will) based on the info in it's
> > / partition or domain-0 / partiotion.
> >
> > 1. Does it use the /boot/grub info of either dom0 or dom1?
> > 2. Does it use the /etc/fstab entries of dom0 or dom1?
> >
> > Any other ideas involved that might significant here?
> >
> > -ishwar
> >
> > On Tue, 20 Apr 2004, I RATTAN wrote:
> >
> > > I am back to trying xen-1.2 and need a little(?) help.
> > >
> > > Hard disk config:
> > > hda1 (primary swap), hda2(extended): had5(/, 1Gb), hda6(/usr, 2Gb),
> > > hda7(1Gb), hda8(1Gb)
> > >
> > > Installed Fedora-core-1 using / and /usr
> > > Downloaded precompiled xen-1.2-install.tar.gz
> > > Installed it
> > > Able to boot domain-0
> > >
> > > How do I put root partition info for dom1 on partition hda8
> > > I tried dd if=/dev/hda5 of=/dev/hda8 bs=1024
> > >   aborts with I/O error after copying the file system
> > >   (mount says that it is invalid FS etc..)
> > >
> > > Is there another way? Just want to see if I can boot one more
> > > domain other than domain-0.
> > >
> > > -ishwar
> > >
> > >
> >
> >
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