Date: Sat, 12 Jun 2004 21:45:52 +1000 (EST) From: Peter Ross <Peter.Ross@alumni.tu-berlin.de> To: ROBERTO SIANO <rs@newmediaplan.it> Cc: freebsd-cluster@freebsd.org Subject: Re: HA cluster Message-ID: <20040612213752.G651@guckloch.zuhause> In-Reply-To: <20040610114531.03DE543D1F@mx1.FreeBSD.org> References: <20040610114531.03DE543D1F@mx1.FreeBSD.org>
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On Wed, 9 Jun 2004, ROBERTO SIANO wrote: > > ( net ) > > | > | > | > ---------- > | switch | > ---------- > / \ > / \ > ---------- ---------- failover > | active backup > router | | router | > ---------- ---------- > load-balance \ / > \ VIP / > ---------- > | switch | > ---------- This part can be solved using VRRP. > / \ > / \ > ---------- ---------- > | server1 | | server2 | > ---------- ---------- > real servers > This depends on the functionality, what kind of data the servers use, whether there is a database involved etc. BTW: Your scenario has two switches as a single point of failure.. Replicate them too if possible (You may use only two of them if you decide two separate the "two ways" and combine before and after router switch by using VLAN). Regards Peter
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