Date: Fri, 23 Jul 2010 11:48:19 +0200 From: Dominik Zyla <gavroche@gavroche.pl> To: freebsd-jail@freebsd.org Subject: Re: CARP across two jails on one host? Message-ID: <20100723094819.GB13833@mail.mercom.pl> In-Reply-To: <20100723094503.GA13833@mail.mercom.pl> References: <AANLkTikMRhzxMayaXftl2vWKfu-LiMpyRvEYJFgvoEEB@mail.gmail.com> <20100723094503.GA13833@mail.mercom.pl>
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--i9LlY+UWpKt15+FH Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Fri, Jul 23, 2010 at 11:45:03AM +0200, Dominik Zyla wrote: > On Thu, Jul 22, 2010 at 12:51:23PM -0400, Aaron Weeden wrote: > > My box is running FreeBSD version 8.1-PRERELEASE. I've created two > > jails and want them to be able to share an IP address via CARP. As I > > understand it, each host must use the same VHID and IP address on its > > carp interface in order to work as a failover for the other hosts. > > I'm also under the impression that jails cannot create interfaces, as > > my attempt to run 'ifconfig carp0 create' within a jail returned the > > error 'ifconfig: SIOCIFCREATE2: Operation not permitted'. I'm > > wondering, then, if it's possible to use CARP for two jails on one > > host, since attempting to create two carp interfaces with the same > > vhid on the parent produces the error 'ifconfig: SIOCSVH: File > > exists'. Does anyone here have experience running CARP in jails? >=20 > You can't run both, MASTER and BACKUP carp instances on the same host. To be more strict. I mean, you can't run both, MASTER and BACKUP carp instances with the same vhid on the same host. --=20 Dominik Zyla --i9LlY+UWpKt15+FH Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.9 (FreeBSD) iEYEARECAAYFAkxJZWMACgkQYAyMP8U8kauY2gCg6Py8gJrGoWOr/PYZ8qlb+xp2 qAkAn2EZq8dv4smCm2bYLtMTAI8hpBaJ =RssI -----END PGP SIGNATURE----- --i9LlY+UWpKt15+FH--
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