RAID1 with gmirror

Christian Hiris 4711 at
Mon Oct 11 07:14:03 PDT 2004

Hash: SHA1

On Monday 11 October 2004 15:26, Chris Elsworth wrote:
> On Mon, Oct 11, 2004 at 12:25:46AM +0200, Christian Hiris wrote:
> > > 4) bsdlabel -e ad0 [taking into account the new 16 byte offset]
> >
> > I never read about the new offset - until now I had no time to study the
> > gmirror code. Where did you find this interresting information?
> Here (and related thread):


> No, I get the mirrors breaking on startup too. I believe this is fixed
> in -CURRENT but is pending a MFC into RELENG_5 to fix.

I could solve this on my systems:
I run a patched version of g_mirror.c. The patch was posted for RELENG_5 
testing  by Pawel and it seems that things work fine w/ his patch. Hopefully 
I will report his patch working tonight.

The main reason for the root-mirror breakages on my systems was that gdm uses 
the  'reboot' command by default, which makes no use of the swapoff command. 
So the swap-devices had been left with the DIRTY flag. When I use the 
'shutdown -r' command instead of 'reboot' all mirrors start in ACTIVE state 
after rebooting the system.

- -- 
Christian Hiris <4711 at> | OpenPGP KeyID 0x3BCA53BE 
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