Date: Thu, 10 May 2012 09:38:21 -0700 From: Matthew Jacob <mj@feral.com> To: freebsd-geom@freebsd.org Subject: Re: Teaching gmultipath about path cost/priority Message-ID: <4FABEEFD.90009@feral.com> In-Reply-To: <4FABE1A8.4000609@FreeBSD.org> References: <4FABE1A8.4000609@FreeBSD.org>
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On 5/10/2012 8:41 AM, Alexander Motin wrote: > Hi. > > > It'd be ideal if there was a way of teaching gmultipath about a path > > cost/priority, so that it can make an informed decision about which > > path to choose a) when first initializing, and b) during failover. > > The problem with this is how to store that in metadata. As soon as all > paths have exactly the same metadata and provider names are not > mentioned there, separate paths properties are not possible at this > moment. > > As dirty workaround, you may periodically run some script to enforce > active path on your specific preference. > That is in fact exactly how we did this at Panasas
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