On Mon, Jan 21, 2008 at 05:35:46PM -0800, Jeff Pflueger wrote:
> > Hey Jeff,
> > Try:
> > gmirror forget ad6s1
> > >From gmirror(8):
> > remove Remove the given component(s) from the mirror and clear meta-
> > data on it.
> > and futher on:
> > One disk failed. Replace it with a brand new one:
> > gmirror forget data
> > gmirror insert data da1
> > I had a drive do something similar --- the system wouldn't crash, but
> > a drive just refused to be rebuilt. I used `forget' and it worked like
> > a charm.
> > ~Jason
> Thanks for that!
> turns out that if I rebuild a mirror once booted from cd via:
> gmirror label -v -b load gm0s1 /dev/ad4s1
> mount /dev/mirror/gm0s1 /mnt
> then I disconnected ad6 and booted from ad4. Once booted, the disk was
> very busy for a long time and now it seems to be working fine.
> However, ad6...
> when I have booted from CD I can't gmirror clean ad6 without getting the
> message about
> "Can't clear metadata on ad6s1: Invalid argument. Not fully done."
> I suspect that something is either mechanically wrong (less likely) or
> somehow corrupted on ad6...
> How can I wipe ad6 so that I can now try to insert it into the new mirror?
To completely wipe the drive? Try:
# dd if=/dev/zero of=/dev/ad6 bs=512
That will zero out the *whole* drive, nothing will be left. You will
also need to make sure you do
# gmirror forget ad6
first; otherwise, I think gmirror will expect to find metadata on the
drive. Read the man page carefully to make sure you are taking the
steps in the right order.
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