Re: Odd behaviour after disk conversion (partition disappeared)

On Fri, 18 Mar 2022 09:52:47 +0000
<Hartmut.Brandt@dlr.de> wrote:

> Hi,
> 
> I have a virtual machine on Hyper-V running 12.1-RELEASE-p2. Root is
> mounted on /dev/da0s1a. Now we have converted the disk image from .vhdx to
> .vmdk to use it on a VMware workstation. Now the BSD partitions
> disappeared, but the thing still boots, but from /dev/ada0s1. Of course I
> cannot see the swap partition anymore.
> 
> gpart show da0 on the old image shows:
>  [...]  
>         63         1       - free -  (512B)
>         64  62914495    1  freebsd  [active]  (30G)
>   62914559         1       - free -  (512B)
> 
> and gpart show da0s1:
>  [...]  
>          0  58720256      1  freebsd-ufs  (28G)
>   58720256   3145728      2  freebsd-swap  (1.5G)
>   61865984   1048511         - free -  (512M)
> 
> on the new image gpart show ada0:
>  [...]  
>         63         1       - free -  (512B)
>         64  62914495    1  freebsd  [active]  (30G)
>   62914559         1       - free -  (512B)
> 
> and gpart show ada0s1:
> gpart: No such geom: ada0s1.
> 
> What happened? The conversion process is supposed to make a 1:1 copy of
> the disk image.
> 

This doesn't answer your question, but you could try running swapctl -lh
to see how much swap the kernel sees and which partition is used.

-- 
Gary Jennejohn