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Date:      Wed, 4 Apr 2012 15:26:02 +0300
From:      Beeblebrox <zaphod@berentweb.com>
To:        freebsd-net@freebsd.org
Subject:   Re: lagg problems on diskless client
Message-ID:  <CAPSTskvD5xMPOwWhn_Dr6FHJBK6YTeH2mspEDw89p_n=sX_-mQ@mail.gmail.com>
In-Reply-To: <CAN6yY1sTAWb5JACT_tmujJUhsFo0yGL85XGKdtjqMxpVMfT5Dw@mail.gmail.com>
References:  <CAPSTskviJ26uuoAhRVN7tLBj7AhAPVuQz5GSBCd%2BszGPF2VOfw@mail.gmail.com> <20120329072054.GA45082@server.vk2pj.dyndns.org> <CAPSTsktpDXHXDR1-MgWBZRTwXvHGrdZ=g5wH-=Lkd-JwMmJ95A@mail.gmail.com> <20120403074954.GA19241@server.vk2pj.dyndns.org> <CAPSTskueYtD%2B=zdwLFJkTvxHPXnpDvb4SQGHsb=RA8vq6iiewQ@mail.gmail.com> <CAPSTskvbj%2BV6Q2XvPHS%2BogjSWEzk5CM5TRHgW94Kt-u6o8vt9w@mail.gmail.com> <CAN6yY1ujiGzexDe2Fxe=B_7w2agh5uVPn5AQ%2B7tvtd%2B5VMhgxA@mail.gmail.com> <CAPSTsktiQqkjNL0JntOcap1Z4QLg7AviDVjKaz7s8g5%2Biyp5Nw@mail.gmail.com> <CAN6yY1sTAWb5JACT_tmujJUhsFo0yGL85XGKdtjqMxpVMfT5Dw@mail.gmail.com>

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>
>
> Almost as bad as back when I sent a note to a customer about a
> requirement to adjust our 'peeing' policy. (And the spell checker
> won't catch that one.)
>
> On Tue, Apr 3, 2012 at 10:29 AM, Beeblebrox <zaphod@berentweb.com> wrote:
> > On Tue, Apr 3, 2012 at 7:46 PM, Kevin Oberman <kob6558@gmail.com> wrote:
> >
> >> On Tue, Apr 3, 2012 at 4:51 AM, Beeblebrox <zaphod@berentweb.com>
> wrote:
> >> > Slightly different point of view: Under this scenario of dikless
> clients
> >> > having dual NICs would CRAP be a choice to consider? From what I have
> >> read
> >> Typo or editorial comment^^^^^^  -)
> >> > it can offer loadbalancing but as I understand it's not really
> applicable
> >> > to diskless node situations?
>

@ Kevin:
> Does a 'dikless' server run eunichs? Sorry. I really should resist this
kind of carp.
One could assert that all forms of harem *gateway* control
were eunichs-based.

However, after a compound slip-up like that, there's no graceful recovery:
pwned, I am.

@Peter: Thanks for the explanation on carp, confirmed my understanding of
its function.

> Actually, it doesn't matter that the root is RO, just that /mnt exists so
it can be used as a mountpoint.
Why the error and why does it freeze the system then? More than happy just
to go with default /mnt but the DC does not like it for some odd reason.

> whilst $lagg_tmp is parameterised, /mnt is hard-coded in several places
No big deal, easily corrected on my end.

> AFAIR, I use a separate ramdisk because /etc/rc.d/lagg runs very early and
other mountpoints cannot be relied on.
Do you mean like a usb flash?



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