Date: Thu, 10 Dec 2015 21:21:24 +0100 From: Julien Cigar <jcigar@ulb.ac.be> To: Terje Elde <terje@elde.net> Cc: Emmanuel Vadot <manu@bidouilliste.com>, freebsd-questions@freebsd.org Subject: Re: CARP demotion counter Message-ID: <20151210202124.GO13477@mordor.lan> In-Reply-To: <F5A58402-FBA6-4B18-B78A-D38C4AA8D3D4@elde.net> References: <20151210182821.GM13477@mordor.lan> <ee17d45f9f7b1a24f76b59b09608d466@megadrive.org> <F5A58402-FBA6-4B18-B78A-D38C4AA8D3D4@elde.net>
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--sAMF9MHkXj43A5i+ Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Thu, Dec 10, 2015 at 08:27:56PM +0100, Terje Elde wrote: >=20 > > On 10 Dec 2015, at 20:00, Emmanuel Vadot <manu@bidouilliste.com> wrote: > >=20 > > You need net.inet.carp.preempt=3D1 for MASTER returning to MASTER after= a BACKUP state. >=20 > If all things are otherwise equal, I've come to favor having redundant eq= uipment not be designated master/slave, but rather "router 1" and "router 2= " etc, where possible.=20 >=20 > It reduced "oh, the other is just backup"-impulses, promotes caring equal= ly for either box, and reduces the idea of failover and fallback being sepa= rate things.=20 >=20 > Also removes "we need to fail back to the master" as a thing to do after = a failover, while the equality makes it easier to do changes as a matter of= routine.=20 You're right, fundamentally I don't have any problem which box is the MASTER or the BACKUP as long as the CARP failover is done properly (which is the case).=20 It's just that I would like to understand why the demotion counter is=20 greater than 0 at boot and why the MASTER doesn't return when the cable is re-plugged (which is the expected behavior I think) :) >=20 > Terje >=20 > _______________________________________________ > freebsd-questions@freebsd.org mailing list > https://lists.freebsd.org/mailman/listinfo/freebsd-questions > To unsubscribe, send any mail to "freebsd-questions-unsubscribe@freebsd.o= rg" --=20 Julien Cigar Belgian Biodiversity Platform (http://www.biodiversity.be) PGP fingerprint: EEF9 F697 4B68 D275 7B11 6A25 B2BB 3710 A204 23C0 No trees were killed in the creation of this message. However, many electrons were terribly inconvenienced. --sAMF9MHkXj43A5i+ Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v2 iQIcBAABCgAGBQJWad69AAoJEAi2KiTKQR5p/8gQAKVGfinxIz+X8wpJ1Cgoxa4X okY1ZnpydRP1RYBXlC8toyKyDg5nQtjvMISl2UaB+RPaxCJsB/6F+S/tf19IBuwF z7Q/NcRDygW0KoYqrmhNWaciPNfKa5k+E4TD9sWrAFdBwGn6hftJo9JuWslSjNox 8+rslGV2tbZZJbgDD+f2hsAK1m29rf4bpHOFv7DEUJYFzR58hl/Ce3UwDemn3kH4 zHqy0NpRksXUcOnQJffXAo3zSiD1CRcSbwkRVkk8Wqtd2z0MzlgJxb9ERdEvwdBi bFzcePOiinKxa4FMMU3Jeu0IHv66PDBb3fXaV1WcCrzGKuSAT6+0JxHgX5ghKWLL ShOc3r1zxm3678H7zNKT2n+kqC5+V6TQLM3ziyzzscfxzmgWiBo4uJ3E62SpE9nM fVSLLBS7k6LGjYoNLIVORbuCSg8HUNdBoOfIXidqx9DiV2A+H/nZQ8kfNx+lh7Uf TD1KFXSbmvQf9xPM4aZuERIsoBgLMEQtQRZC9sby2jI9pE8UcFnHl2jvg1fDOUXG OV5iHxAxwbCtRSX+lapsNXXBtv0ioGGWJrYi08XwinqMq4WFNS+kGbS7lR1vNg7A a3Ro9fS4MTtO0u4Ajrz8xxUJw1Flslq5l9SONybDaQnDHBsnf1XCKIiqV/DNV/QD 1A1BUmNArq2R5+moaEf4 =wwqp -----END PGP SIGNATURE----- --sAMF9MHkXj43A5i+--
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