Re: raid1-diseaster on reboot: old version overwrites new version

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On Saturday April 2, pilsl@xxxxxxxxxxxx wrote:
> 
> * What did I do wrong?
> 
> The only explantion to me is, that I had the wrong entry in my 
> lilo.conf. I had root=/dev/hda6 there instead of root=/dev/md2
> So maybe root was always mounted as /dev/hda6 and never as /dev/md2, 
> which was started, but never had any data written to it. Is this a 
> possible explanation?

Yep, this completely explains everything.
/ was *not* on /dev/md2, it was on /dev/hda6 which also happened to be
a part of an unused raid1 array.

After a crash, the raid1 array did a resync copying from hdc6 to
hda6.  Very sad.  Very good that you had backups.

2.6 won't let you do this: you cannot have a partition in a raid array
and mounted as a filesystem at the same time.

NeilBrown
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