<html xmlns:v="urn:schemas-microsoft-com:vml" xmlns:o="urn:schemas-microsoft-com:office:office" xmlns:w="urn:schemas-microsoft-com:office:word" xmlns:m="http://schemas.microsoft.com/office/2004/12/omml" xmlns="http://www.w3.org/TR/REC-html40"><head><META HTTP-EQUIV="Content-Type" CONTENT="text/html; charset=us-ascii"><meta name=Generator content="Microsoft Word 15 (filtered medium)"><style><!--
/* Font Definitions */
@font-face
        {font-family:"Cambria Math";
        panose-1:2 4 5 3 5 4 6 3 2 4;}
@font-face
        {font-family:Calibri;
        panose-1:2 15 5 2 2 2 4 3 2 4;}
/* Style Definitions */
p.MsoNormal, li.MsoNormal, div.MsoNormal
        {margin:0cm;
        margin-bottom:.0001pt;
        font-size:11.0pt;
        font-family:"Calibri","sans-serif";
        mso-fareast-language:EN-US;}
a:link, span.MsoHyperlink
        {mso-style-priority:99;
        color:#0563C1;
        text-decoration:underline;}
a:visited, span.MsoHyperlinkFollowed
        {mso-style-priority:99;
        color:#954F72;
        text-decoration:underline;}
p.MsoListParagraph, li.MsoListParagraph, div.MsoListParagraph
        {mso-style-priority:34;
        margin-top:0cm;
        margin-right:0cm;
        margin-bottom:0cm;
        margin-left:36.0pt;
        margin-bottom:.0001pt;
        font-size:11.0pt;
        font-family:"Calibri","sans-serif";
        mso-fareast-language:EN-US;}
span.EmailStyle17
        {mso-style-type:personal-compose;
        font-family:"Calibri","sans-serif";
        color:windowtext;}
.MsoChpDefault
        {mso-style-type:export-only;
        font-family:"Calibri","sans-serif";
        mso-fareast-language:EN-US;}
@page WordSection1
        {size:612.0pt 792.0pt;
        margin:70.85pt 70.85pt 70.85pt 70.85pt;}
div.WordSection1
        {page:WordSection1;}
/* List Definitions */
@list l0
        {mso-list-id:547491394;
        mso-list-type:hybrid;
        mso-list-template-ids:888938988 134807567 134807577 134807579 134807567 134807577 134807579 134807567 134807577 134807579;}
@list l0:level1
        {mso-level-tab-stop:none;
        mso-level-number-position:left;
        text-indent:-18.0pt;}
@list l0:level2
        {mso-level-number-format:alpha-lower;
        mso-level-tab-stop:none;
        mso-level-number-position:left;
        text-indent:-18.0pt;}
@list l0:level3
        {mso-level-number-format:roman-lower;
        mso-level-tab-stop:none;
        mso-level-number-position:right;
        text-indent:-9.0pt;}
@list l0:level4
        {mso-level-tab-stop:none;
        mso-level-number-position:left;
        text-indent:-18.0pt;}
@list l0:level5
        {mso-level-number-format:alpha-lower;
        mso-level-tab-stop:none;
        mso-level-number-position:left;
        text-indent:-18.0pt;}
@list l0:level6
        {mso-level-number-format:roman-lower;
        mso-level-tab-stop:none;
        mso-level-number-position:right;
        text-indent:-9.0pt;}
@list l0:level7
        {mso-level-tab-stop:none;
        mso-level-number-position:left;
        text-indent:-18.0pt;}
@list l0:level8
        {mso-level-number-format:alpha-lower;
        mso-level-tab-stop:none;
        mso-level-number-position:left;
        text-indent:-18.0pt;}
@list l0:level9
        {mso-level-number-format:roman-lower;
        mso-level-tab-stop:none;
        mso-level-number-position:right;
        text-indent:-9.0pt;}
ol
        {margin-bottom:0cm;}
ul
        {margin-bottom:0cm;}
--></style><!--[if gte mso 9]><xml>
<o:shapedefaults v:ext="edit" spidmax="1026" />
</xml><![endif]--><!--[if gte mso 9]><xml>
<o:shapelayout v:ext="edit">
<o:idmap v:ext="edit" data="1" />
</o:shapelayout></xml><![endif]--></head><body lang=EN-GB link="#0563C1" vlink="#954F72"><div class=WordSection1><p class=MsoNormal>>[snip] <o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>>> Here are my questions: <o:p></o:p></p><p class=MsoNormal>>> <o:p></o:p></p><p class=MsoNormal>>> 1. Was it the right path I have taken to install Corosync 2.0 + <o:p></o:p></p><p class=MsoNormal>>> pacemaker 1.1.10 even if I am using RHEL? Suggestion 3 on the <o:p></o:p></p><p class=MsoNormal>>> aforementioned blog seemed nicer to me than option 2 (Everyone Talks to <o:p></o:p></p><p class=MsoNormal>>> CMAN). <o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>>It could be more complicated if you need clustered LVM and/or clustered <o:p></o:p></p><p class=MsoNormal>>filesystems. For that you need to install new dlm (4.x), rebuild lvm2 <o:p></o:p></p><p class=MsoNormal>>(for clvm) and rewrite/rebuild gfs_controld (for GFS2). <o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>>[snip]<o:p></o:p></p><p class=MsoNormal><span style='mso-fareast-language:EN-GB'><o:p> </o:p></span></p><p class=MsoNormal><span style='mso-fareast-language:EN-GB'>I guess this would be the most complicated way. Better would be to take a route “Everybody talks to CMAN” (http://blog.clusterlabs.org/blog/2012/pacemaker-and-cluster-filesystems/):<o:p></o:p></span></p><p class=MsoListParagraph style='text-indent:-18.0pt;mso-list:l0 level1 lfo1'><![if !supportLists]><span style='mso-fareast-language:EN-GB'><span style='mso-list:Ignore'>1.<span style='font:7.0pt "Times New Roman"'>       </span></span></span><![endif]><span style='mso-fareast-language:EN-GB'>Filesystems supported: GFS2, OCFS2<o:p></o:p></span></p><p class=MsoListParagraph style='text-indent:-18.0pt;mso-list:l0 level1 lfo1'><![if !supportLists]><span style='mso-fareast-language:EN-GB'><span style='mso-list:Ignore'>2.<span style='font:7.0pt "Times New Roman"'>       </span></span></span><![endif]><span style='mso-fareast-language:EN-GB'>Corosync: 1.x<o:p></o:p></span></p><p class=MsoListParagraph style='text-indent:-18.0pt;mso-list:l0 level1 lfo1'><![if !supportLists]><span style='mso-fareast-language:EN-GB'><span style='mso-list:Ignore'>3.<span style='font:7.0pt "Times New Roman"'>       </span></span></span><![endif]><span style='mso-fareast-language:EN-GB'>Pacemaker: 1.1.6 or later<o:p></o:p></span></p><p class=MsoListParagraph style='text-indent:-18.0pt;mso-list:l0 level1 lfo1'><![if !supportLists]><span style='mso-fareast-language:EN-GB'><span style='mso-list:Ignore'>4.<span style='font:7.0pt "Times New Roman"'>       </span></span></span><![endif]><span style='mso-fareast-language:EN-GB'>Other: cman, openais<o:p></o:p></span></p><p class=MsoNormal><span style='mso-fareast-language:EN-GB'><o:p> </o:p></span></p><p class=MsoNormal><span style='mso-fareast-language:EN-GB'>Best regards,<o:p></o:p></span></p><p class=MsoNormal><span style='mso-fareast-language:EN-GB'>Michal Mistina<o:p></o:p></span></p><p class=MsoNormal><o:p> </o:p></p></div></body></html>