Date: Thu, 01 Nov 2007 21:38:32 +0100 From: Jordi Prats <jprats@cesca.es> To: Peter Ross <Peter.Ross@alumni.tu-berlin.de> Cc: freebsd-cluster@freebsd.org Subject: Re: HA cluster Message-ID: <472A3948.7040605@cesca.es> In-Reply-To: <20071031222808.V1141@klein.bigpond.com> References: <4727BDD6.8060105@cesca.es> <20071031222808.V1141@klein.bigpond.com>
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Thanks Peter, I suppose I'll have to do some more work than just change the OS ;) regards, Jordi Peter Ross wrote: > Hi Jordi, > > On Wed, 31 Oct 2007, Jordi Prats wrote: > >> Currently I have two (redundant) load balancers with LVS, > > I checked the Website.. the most of them are on application level so they > should be available under FreeBSD as well. > > E.g. I have a Red Hat szenario with Apache as the loadbalancer and > clustered tomcat 6.0 behind. A developer has the same setup at a FreebSD-7 > box and tests it there. > >> and several NFS, > > I believe the Red Had Cluster uses GFS to have concurrent r/w access to > the SAN? > > I try to imagine to use FreeBSD stuff as gmirror, ZFS, iscsi, CARP etc... > it all does not sum up to something similiar - but it may be my lack of > imagination only. > > NFSv4 is designed to support for replication and migration but I have no > idea about the FreeBSD implementation status. I just find this old status > report: > http://www.freebsd.org/news/status/report-2006-01-2006-03.html#FreeBSD-NFS-Status-Report > > "FreeBSD NFSv4 server is pretty stable now and available via anonymous > ftp. NFSv4.1 features are not a part of it yet and are not likely to > happen until at least the end of 2006. Contact > rick@snowhite.cis.uoguelph.ca for details." > > The sources for current only contains code for a NFSv4 client. > > To be fair I do not know about the Linux implematation either. A document > last updated in March > (http://wiki.linux-nfs.org/wiki/index.php/Server_state) predicts this > implemented in 2.6.19. We have 2.6.23 by now but I cannot find it in the > kernel changelogs.. > >> MySQL and PostgreSQL servers using RedHat cluster suite. > > As already pointed out there are replication solutions for postgresql and > MySQL - they should work under FreeBSD in the same way as for Linux. > > Regards > Peter > >
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