<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML><HEAD>
<META content="text/html; charset=us-ascii" http-equiv=Content-Type>
<STYLE type=text/css>DIV {
MARGIN: 0px
}
</STYLE>
<META name=GENERATOR content="MSHTML 8.00.6001.18783"></HEAD>
<BODY>
<DIV><SPAN class=859033514-29062009><FONT size=2 face=Arial>You will still
be limited to a single primary server with DRBD.</FONT></SPAN></DIV>
<DIV><SPAN class=859033514-29062009><FONT size=2 face=Arial>Here is a line from
their site:</FONT></SPAN></DIV>
<DIV><SPAN class=859033514-29062009><FONT size=2 face=Arial>
<DIV dir=ltr align=left><SPAN class=859033514-29062009>DRBD's primary-primary
mode with a shared disk file system (GFS, OCFS2). These systems are very
sensitive to failures of the replication network. Currently we cannot generally
recommend this for production use.</SPAN></DIV></FONT></SPAN></DIV><!-- Converted from text/plain format --><BR>
<P><FONT size=2>--<BR>Neil Aggarwal, (281)846-8957,
www.JAMMConsulting.com<BR>100% uptime for your e-commerce site! Stay fully
operational<BR>even with a db server failure. Ask me about the GRed
database.</FONT> </P>
<DIV> </DIV><BR>
<BLOCKQUOTE
style="BORDER-LEFT: #000000 2px solid; PADDING-LEFT: 5px; MARGIN-LEFT: 5px; MARGIN-RIGHT: 0px">
<DIV dir=ltr lang=en-us class=OutlookMessageHeader align=left>
<HR tabIndex=-1>
<FONT size=2 face=Tahoma><B>From:</B> centos-bounces@centos.org
[mailto:centos-bounces@centos.org] <B>On Behalf Of </B>Linux
Advocate<BR><B>Sent:</B> Monday, June 29, 2009 12:13 AM<BR><B>To:</B> CentOS
mailing list<BR><B>Subject:</B> Re: [CentOS] 2 servers
cluster<BR></FONT><BR></DIV>
<DIV></DIV>
<DIV
style="FONT-FAMILY: times new roman,new york,times,serif; FONT-SIZE: 12pt">
<DIV>thanx bro. yes i have been looking as well. have looked at
drbd...<BR></DIV>
<DIV
style="FONT-FAMILY: times new roman,new york,times,serif; FONT-SIZE: 12pt"><BR>
<DIV
style="FONT-FAMILY: times new roman,new york,times,serif; FONT-SIZE: 12pt"><FONT
size=2 face=Tahoma>
<HR SIZE=1>
<B><SPAN style="FONT-WEIGHT: bold">From:</SPAN></B> Neil Aggarwal
<neil@JAMMConsulting.com><BR><B><SPAN
style="FONT-WEIGHT: bold">To:</SPAN></B> CentOS mailing list
<centos@centos.org><BR><B><SPAN
style="FONT-WEIGHT: bold">Sent:</SPAN></B> Monday, June 29, 2009 12:32:46
PM<BR><B><SPAN style="FONT-WEIGHT: bold">Subject:</SPAN></B> Re: [CentOS] 2
servers cluster<BR></FONT><BR>
<STYLE type=text/css>DIV {
MARGIN: 0px
}
</STYLE>
<DIV dir=ltr align=left><SPAN class=921182704-29062009><FONT size=2
face=Arial>We tried Sequioa:</FONT></SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=921182704-29062009><FONT size=2
face=Arial><A href="http://www.continuent.com/community/lab-projects/sequoia"
rel=nofollow
target=_blank>http://www.continuent.com/community/lab-projects/sequoia</A></FONT></SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=921182704-29062009><FONT size=2
face=Arial></FONT></SPAN> </DIV>
<DIV dir=ltr align=left><SPAN class=921182704-29062009><FONT size=2
face=Arial>We wanted automatic failover and geographical
distribution</FONT></SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=921182704-29062009><FONT size=2
face=Arial>of the database nodes. Sequoia only supports
master-master</FONT></SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=921182704-29062009><FONT size=2
face=Arial>operation if the database nodes are on the same
subnet.</FONT></SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=921182704-29062009><FONT size=2
face=Arial></FONT></SPAN> </DIV>
<DIV dir=ltr align=left><SPAN class=921182704-29062009><FONT size=2
face=Arial>We did not find anything else out there, so we wrote
our</FONT></SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=921182704-29062009><FONT size=2
face=Arial>own geographically distributed database system.</FONT></SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=921182704-29062009><FONT size=2
face=Arial>We can adapt that to your project if you are
interested.</FONT></SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=921182704-29062009><FONT size=2
face=Arial></FONT></SPAN> </DIV>
<DIV dir=ltr align=left><SPAN class=921182704-29062009>
<FONT size=2 face=Arial>Neil</FONT></SPAN></DIV><BR>
<P><FONT size=2>--<BR><SPAN>Neil Aggarwal, (281)846-8957, <A
href="http://www.JAMMConsulting.com"
target=_blank>www.JAMMConsulting.com</A></SPAN><BR>Your e-commerce site can be
geographically redundant and available<BR>even if failure occurs. Ask me about
the GRed database system.</FONT> </P>
<DIV> </DIV><BR>
<BLOCKQUOTE
style="BORDER-LEFT: rgb(0,0,0) 2px solid; PADDING-LEFT: 5px; MARGIN-LEFT: 5px; MARGIN-RIGHT: 0px">
<DIV dir=ltr lang=en-us class=OutlookMessageHeader align=left>
<HR tabIndex=-1>
<FONT size=2 face=Tahoma><B>From:</B> centos-bounces@centos.org
[mailto:centos-bounces@centos.org] <B>On Behalf Of </B>Linux
Advocate<BR><B>Sent:</B> Sunday, June 28, 2009 11:18 PM<BR><B>To:</B> CentOS
mailing list<BR><B>Subject:</B> Re: [CentOS] 2 servers
cluster<BR></FONT><BR></DIV>
<DIV></DIV>
<DIV
style="FONT-FAMILY: times new roman,new york,times,serif; FONT-SIZE: 12pt">
<DIV>taling abt piranha... i understand that its LVS + webfrontend and is
suitable fro webpages and so on. What do we need to make it as a LAMP
cluster, i.e with a mysql HA backend as well.<BR><BR>So-> HA of [
LoadBalancer + Apache + MySQL}<BR><BR>Any ideas guys?<BR></DIV>
<DIV
style="FONT-FAMILY: times new roman,new york,times,serif; FONT-SIZE: 12pt"><BR>
<DIV
style="FONT-FAMILY: times new roman,new york,times,serif; FONT-SIZE: 12pt"><FONT
size=2 face=Tahoma>
<HR SIZE=1>
<B><SPAN style="FONT-WEIGHT: bold">From:</SPAN></B> fmb fmb
<feedmb@googlemail.com><BR><B><SPAN
style="FONT-WEIGHT: bold">To:</SPAN></B> CentOS mailing list
<centos@centos.org><BR><B><SPAN
style="FONT-WEIGHT: bold">Sent:</SPAN></B> Saturday, June 27, 2009 11:14:33
PM<BR><B><SPAN style="FONT-WEIGHT: bold">Subject:</SPAN></B> Re: [CentOS] 2
servers cluster<BR></FONT><BR>Thnx Brian. This is the first thing that I
will do...<BR><BR>
<DIV class=gmail_quote>On Sat, Jun 27, 2009 at 5:29 PM, Brian Mathis <SPAN
dir=ltr><<A href="mailto:brian.mathis@gmail.com" rel=nofollow
target=_blank
ymailto="mailto:brian.mathis@gmail.com">brian.mathis@gmail.com</A>></SPAN>
wrote:<BR>
<BLOCKQUOTE
style="BORDER-LEFT: rgb(204,204,204) 1px solid; MARGIN: 0pt 0pt 0pt 0.8ex; PADDING-LEFT: 1ex"
class=gmail_quote>CentOS has the redhat piranha packages available for
install. Piranha<BR>is a repackaging of the linux virtual server
software, along with a<BR>web-based front-end. You can find
information about that in the<BR>CentOS docs and also by googling for
"redhat piranha".<BR>
<DIV>
<DIV></DIV>
<DIV class=h5><BR><BR>On Fri, Jun 26, 2009 at 11:57 PM, fmb fmb<<A
href="mailto:feedmb@googlemail.com" rel=nofollow target=_blank
ymailto="mailto:feedmb@googlemail.com">feedmb@googlemail.com</A>>
wrote:<BR>> Hi,<BR>><BR>> I am thinking of setting up two servers
in load balance mode. I would really<BR>> appreciate your suggestions
and hints...<BR>><BR>><BR>> thnx,<BR>><BR></DIV></DIV>
<DIV>
<DIV></DIV>
<DIV class=h5>_______________________________________________<BR>CentOS
mailing list<BR><A href="mailto:CentOS@centos.org" rel=nofollow
target=_blank
ymailto="mailto:CentOS@centos.org">CentOS@centos.org</A><BR><A
href="http://lists.centos.org/mailman/listinfo/centos" rel=nofollow
target=_blank>http://lists.centos.org/mailman/listinfo/centos</A><BR></DIV></DIV></BLOCKQUOTE></DIV><BR></DIV></DIV></DIV><BR></BLOCKQUOTE></DIV></DIV></DIV><BR></BLOCKQUOTE></BODY></HTML>