Thread (2 messages) 2 messages, 2 authors, 2007-05-21

Re: not resyncing after power cut.

From: <hidden>
Date: 2007-05-21 20:03:25

From: Chris Fanning <redacted>
Date: Mon, May 21, 2007 at 05:08:47PM +0200
Hi,

I've got a couple of doubts.

Since more than a year ago I setup mdadm raid1 on new instalations
(thanks for your work).
On the older machines, mdadm -D shows them in a dirty state. I know
that this is/was as expected. If there is a power cut, the machine
boots and a dirty array is resynced, ¿right?

On newer installations, mdadm -D shows arrays in a clean state. I had
always thought that this was ok becuase I'd read somewhere that the
term 'dirty' was causing confusion and it got changed.
So, state: clean, is what I should expect?
If the newer machines have bitmaps on, the resync is generally faster
than finishing booting - so when you can log in, the array is clean
again.

Do they use bitmaps?

Kind regards,
Jurriaan
-- 
Look - either dualism sucks, or it doesn't.
Debian (Unstable) GNU/Linux 2.6.21-mm2 2x4021 bogomips load load 3.73
the Jack Vance Integral Edition: http://www.integralarchive.org
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