From: Kumar amit mehta <gmate.amit@gmail.com>
To: christophe.varoqui@opensvc.com,
device-mapper development <dm-devel@redhat.com>
Subject: Re: Query: Significance of libmultipath/hwtable.c
Date: Wed, 12 Jun 2013 20:57:25 -0400 [thread overview]
Message-ID: <20130613005725.GA19951@gmail.com> (raw)
In-Reply-To: <1371060904.30106.4.camel@lapoo.opensvc.com>
On Wed, Jun 12, 2013 at 08:15:04PM +0200, Christophe Varoqui wrote:
> On mer., 2013-06-12 at 11:45 +0530, amit mehta wrote:
> > What is the significance of libmultipath/hwtable.c file. I see there
> > is a list of vendors mentioned over here.
> >
> > <snip>
> >
> It's a database of defaults settings for known devices.
> Those settings apply when not overriden by explicit settings in
> multipath.conf.
>
>
> > grep -i vendor libmultipath/hwtable.c|uniq
> > .vendor = "COMPELNT",
> > .vendor = "APPLE*",
> > .vendor = "3PARdata",
> > .vendor = "DEC",
> > .vendor = "HP",
> > .vendor = "(COMPAQ|HP)",
> > .vendor = "HP",
> > .vendor = "DDN",
> > .vendor = "EMC",
> > .vendor = "DGC",
> > .vendor = "EMC",
> > .vendor = "FSC",
> > .vendor = "FUJITSU",
> > .vendor = "HITACHI",
> > .vendor = "IBM",
> > .vendor = "IBM",
> > .vendor = "AIX",
> > .vendor = "IBM",
> > .vendor = "AIX",
> > .vendor = "IBM",
> > .vendor = "AIX",
> > .vendor = "DELL",
> > .vendor = "NETAPP",
> > .vendor = "IBM",
> > .vendor = "Pillar",
> > .vendor = "SGI",
> > .vendor = "STK",
> > .vendor = "SUN",
> > .vendor = "PIVOT3",
> > .vendor = "SUN",
> > .vendor = "(LSI|ENGENIO)",
> > .vendor = "STK",
> > .vendor = "EUROLOGC",
> > .vendor = "NEC",
> > .vendor = NULL,
> >
> > <snip>
> >
> >
> > Under each of these vendors, there is a list of products from the same
> > vendor as well. So does that mean, if the vendor and or product is
> > not
> > mentioned in this file, that particular storage hardware may not be
> > supported by dm-multipath?
> >
> It only means that the top-level defaults settings will be applied to
> those multipaths.
>
Thank you for clearing my doubt.
-Amit
prev parent reply other threads:[~2013-06-13 0:57 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-06-12 6:15 Query: Significance of libmultipath/hwtable.c amit mehta
2013-06-12 18:15 ` Christophe Varoqui
2013-06-13 0:57 ` Kumar amit mehta [this message]
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