Pre-emptive summary: Can this RAID mirror be fixed?

[Martin Maney <linux-managers-sub@two14.net>]

On Sun, Feb 17, 2002 at 11:55:27PM -0600, Martin Maney wrote:

I have since fixed the hook that was supposed to set the address the list
was looking for.  Kindly moderators: please do NOT post it if it's still not
right this time.

> So I'm heading towards bed now, leaving you with my question: is it really
> necessary to rebuild the RAID set de novo to fix this, or is there a way
> around it?  The docs kind of suggest, in discussing a different sort of
> disaster recovery scenario, that maybe I could change the drive and
> re-mkraid the single current drive without losing data, but will that work?

The simple warm rebuild did work for this case.  Luckily, I had the exact
raid pair spec with which it had orignally been built, so the rebuild was a
no-op on the active partition (aside from resetting the currency counter),
and all the mirror sets proceeded to rebuild just as the documentation says
they're supposed to.  I did, however, then tear them down because I had
setup the partitions incorrectly.  The right way to manage multiple
partitions is, IMO, using LVM, which I am now using on this.  One non-LVM
mirror pair for root, the rest of the disk in one big mirror under LVM.
Beauty.

I'll still be happy to hear any additional thoughts on the matter, and will
summarize if appropriate.

-- 
And that is called paying the Dane-geld;
  But we've proved it again and again,
That if once you have paid him the Dane-geld
  You never get rid of the Dane.  -- Kipling on MS Enterprise Licensing
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