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Date: Mon, 20 Apr 2009 19:38:26 -0400
From: Tom Worster <fsb@thefsb.org>
To: Matthew Seaman <m.seaman@infracaninophile.co.uk>
Message-ID: <C6127FB2.983B%fsb@thefsb.org>
Thread-Topic: portmaster -a on a live server
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Cc: freebsd-questions@freebsd.org
Subject: Re: portmaster -a on a live server
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On 4/20/09 3:06 PM, "Matthew Seaman" <m.seaman@infracaninophile.co.uk>
wrote:

> Many ports will shut down a running instance of themselves when upgraded
> like this specifically to avoid the sort of complications that can occur
> when the running image does not match what is on disk.
> 
> mysql does, apache doesn't.
> 
> So upgrade mysql-server last thing before you reboot.

so i'll try

portmaster -a -x mysql-server
portmaster mysql-server
reboot

which might work ok as mysql-server is a leaf node in my config


> Although I know you're
> not using portupgrade, this snippet from pkgtools.conf has been a blessing in
> minimizing outage lengths during updates on live servers:
> 
>   AFTERINSTALL = {
>     '*' => proc { |origin|
>        cmd_start_rc(origin)
>     },
>   }
> 
> Of couse, the best course of action is to plan sufficient downtime that you
> can do the upgrades comfortably plus recover from any number of ways things
> might go wrong, but sometimes that simply isn't possible.

it's finding the optimum between minimizing downtime and having enough that
i'm trying to think through.

thanks for your remarks.