Re: Raid 1 - md "Total Disks" question

On Thursday September 16, dledford@redhat.com wrote:

On Mon, 2004-09-13 at 20:56, Neil Brown wrote:

quoted

On Monday September 13, agustin@maderonet.net.ar wrote:

quoted

Hi Everybody,

I was wondering if you could take a look to the following and give some advice... I just
have TWO SATA WD800 disks and "mdadm" says I have "three" and one of
them has "failed"!!!

It's just some odd accounting in the kernel.  Don't worry about it.

It is just some odd accounting stuff, but it's hardly something I would
say "don't worry about it".  I had to chase a similar looking problem
down in our RHEL3 product line.  In fact, it was raid1 where I was
seeing this problem.  I've attached the email I sent about the problem
to the internal kernel people, the patch I originally sent in for it,
and the update patch that catches a couple spots I originally missed in
my first patch (apologies if my mailer horks this up, haven't tried to
send sent mail in exactly the way I'm trying it now).

Well, the accounting and the locking are really to separate issues,
but your patch looks good, thanks.

NeilBrown