Re: GPT missing after controller swap (wd to ld)

[christos%astron.com@localhost (Christos Zoulas)]

In article <4c31b2ab-3161-9dc1-2d2b-74278c891065%zabrico.com@localhost>,
Louis Guillaume  <louis%zabrico.com@localhost> wrote:
>Hi,
>
>On NetBSD 7.0_STABLE, i386, (from earlier this year) I had configured a 
>couple of disks with GPTs and then switched controllers (wd1 now shows 
>up as ld1) and now the GPT appears to have gone missing. However my 
>wedges are still there...
>
># gpt show ld1
>gpt: error: map entry doesn't fit media
>gpt: unable to open device 'rld1d': No such file or directory
>
># dkctl ld1 listwedges
>/dev/rld1d: 2 wedges:
>dk0: boot0, 524288 blocks at 128, type: ffs
>dk1: disk0, 3906504704 blocks at 524416, type: raidframe
>
>The first wedge is intended to just hold a kernel and emergency root 
>file system for booting. The root file system is on a raid array built 
>with dk1 (and others). I'm currently booted off a separate disk because 
>the bootmenu did not include the boot.cfg "installboot"-ed to ld1.
>
>Did something in the BIOS overwrite the GPT? How to recover?

Can you try gpt show /dev/rld1d? Also show your dmesg?

christos