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Date:      Tue, 2 May 2006 11:00:18 +0100
From:      Brian Candler <B.Candler@pobox.com>
To:        Odhiambo Washington <wash@wananchi.com>
Cc:        freebsd-isp@freebsd.org
Subject:   Re: Router upgrade....
Message-ID:  <20060502100018.GA30251@uk.tiscali.com>
In-Reply-To: <20060428201127.GB74727@ns2.wananchi.com>
References:  <D3BBF0C6F2FC0448BFCA2F965F2192631DEB1E@sto1.tcy.prv> <20060428201127.GB74727@ns2.wananchi.com>

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On Fri, Apr 28, 2006 at 11:11:27PM +0300, Odhiambo Washington wrote:
> | I would like to upgrade the OS to 6.1RC1 to get the better support for CARP on
> | VLAN interfaces.What would the best way be to upgrade with minimum 
> | downtime?
> 
> Upgrading 5.4 to 6.x isn't an issue at all!
> make buildworld
> make kernel
> reboot

... into single user mode (if you are following the official upgrade
procedure; if not then you are on your own if you break things)

> make installworld
> mergemaster

... correctly answering all the questions about which files to overwrite,
which to leave alone, or attempt to merge the diffs.

> reboot

... remembering that from the start of the first reboot until the end of the
second one, your router will be off-line.

Regards,

Brian.



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