Re: manual setup of DOMU

[Manuel Bouyer <bouyer%antioche.eu.org@localhost>]

On Wed, Jun 24, 2015 at 04:24:38PM -0600, Brook Milligan wrote:
> Reference: DOMU is NetBSD/amd64 7.99.18 (201505311600Z) with xen 4.2.3.
> 
> I am trying to set up a file-backed DOMU manually from the distribution sets.  I thought the procedure was to do the following:
> 
> - create a file of appropriate size with dd

You didn't create a sparse file, did you ?

> - create a virtual disk for the file with vnconfig
> - label the virtual disk with disklabel with partitions starting at sector 0, i.e., no magic sectors at the beginning
> - newfs the appropriate vnd partition(s)
> - mount the appropriate vnd partitions on, for example, /mnt
> - untar the sets into /mnt
> - fix up any files, e.g., in /etc
> - unmount and vnconfig -u
> - start the DOMU with xl using an appropriate config file with disks described like: file:/path/to/file,0x1,w with increasing indices (0x2,?) for additional disks
> 
> However, when I do this I am receiving errors like the following two:
> 
> WARNING: xbd1: total sector size in disklabel (8388608) != the size of xbd1 (262144)
> WARNING: xbd1: end of partition 'a' exceeds the size of xbd1 (262144)
> 
> In this case, the file backing xbd1 is 262144 sectors * 512 b/s = 134217728 bytes and the disklabel lists the correct number of sectors for partition a with offset 0.  An entirely different disk (xbd0) has 8388608 sectors.
> 
> Have I done something wrong in the configuration?  Why does it seem that the disklabel for xbd0 is being used to interpret xbd1?

No idea.
what does 'disklabel -F' show for the files in dom0 ?

-- 
Manuel Bouyer <bouyer%antioche.eu.org@localhost>
     NetBSD: 26 ans d'experience feront toujours la difference
--