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</o:shapelayout></xml><![endif]--></head><body bgcolor=white lang=RU link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span lang=EN-US style='color:#1F497D'>Read-only flag stands on two nodes.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='color:#1F497D'>I will use a cluster file system (ocfs2 of gfs2) for the correct operation of the two disks<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US style='color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US style='color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US style='color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US style='color:#1F497D'><o:p> </o:p></span></p><div><div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0cm 0cm 0cm'><p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> Marcelo Pereira [mailto:marcelops@gmail.com] <br><b>Sent:</b> Thursday, March 15, 2012 6:26 PM<br><b>To:</b> ??????<br><b>Subject:</b> Re: [DRBD-user] drbd read-only mode<o:p></o:p></span></p></div></div><p class=MsoNormal><o:p> </o:p></p><div><p class=MsoNormal>Why do you want it to be primary on both nodes?????<br><br>--Marcelo<o:p></o:p></p></div><div><p class=MsoNormal style='margin-bottom:12.0pt'><br>On Mar 15, 2012, at 10:21 AM, "??????" <<a href="mailto:zorro@megatrone.ru">zorro@megatrone.ru</a>> wrote:<o:p></o:p></p></div><blockquote style='margin-top:5.0pt;margin-bottom:5.0pt'><div><p class=MsoNormal><span lang=EN-US>Hi</span><o:p></o:p></p><p class=MsoNormal><span lang=EN-US>I installed 8.4.1 drdb.</span><o:p></o:p></p><p class=MsoNormal><span lang=EN-US>The cluster operates on a primary/primary mode.</span><o:p></o:p></p><p class=MsoNormal><span lang=EN-US>However, the drives are mounted in the mode of read-only</span><o:p></o:p></p><p class=MsoNormal><span lang=EN-US>[root@noc-1-m77 /]# cat /proc/drbd</span><o:p></o:p></p><p class=MsoNormal><span lang=EN-US>version: 8.4.1 (api:1/proto:86-100)</span><o:p></o:p></p><p class=MsoNormal><span lang=EN-US>GIT-hash: 91b4c048c1a0e06777b5f65d312b38d47abaea80 build by <a href="mailto:root@noc-1-synt.rutube.ru">root@noc-1-synt.rutube.ru</a>, 2012-03-14 10:05:49</span><o:p></o:p></p><p class=MsoNormal><span lang=EN-US>0: cs:Connected ro:Primary/Primary ds:UpToDate/UpToDate C r-----</span><o:p></o:p></p><p class=MsoNormal><span lang=EN-US> ^^</span><o:p></o:p></p><p class=MsoNormal><span lang=EN-US> ns:0 nr:0 dw:0 dr:664 al:0 bm:0 lo:0 pe:0 ua:0 ap:0 ep:1 wo:b oos:0</span><o:p></o:p></p><p class=MsoNormal><span lang=EN-US> </span><o:p></o:p></p><p class=MsoNormal><span lang=EN-US>Why not activate the read-write mode?</span><o:p></o:p></p><p class=MsoNormal><span lang=EN-US> </span><o:p></o:p></p><p class=MsoNormal><span lang=EN-US>Config:</span><o:p></o:p></p><p class=MsoNormal><span lang=EN-US>[root@noc-1-synt /]# cat /etc/drbd.d/r0.res</span><o:p></o:p></p><p class=MsoNormal><span lang=EN-US># create new</span><o:p></o:p></p><p class=MsoNormal><span lang=EN-US>resource r0 {</span><o:p></o:p></p><p class=MsoNormal><span lang=EN-US> startup {</span><o:p></o:p></p><p class=MsoNormal><span lang=EN-US> wfc-timeout 20;</span><o:p></o:p></p><p class=MsoNormal><span lang=EN-US> degr-wfc-timeout 10;</span><o:p></o:p></p><p class=MsoNormal><span lang=EN-US> # we will keep this commented until tested successfully:</span><o:p></o:p></p><p class=MsoNormal><span lang=EN-US> become-primary-on both;</span><o:p></o:p></p><p class=MsoNormal><span lang=EN-US> }</span><o:p></o:p></p><p class=MsoNormal><span lang=EN-US> net {</span><o:p></o:p></p><p class=MsoNormal><span lang=EN-US> protocol C;</span><o:p></o:p></p><p class=MsoNormal><span lang=EN-US> allow-two-primaries;</span><o:p></o:p></p><p class=MsoNormal><span lang=EN-US> after-sb-0pri discard-zero-changes;</span><o:p></o:p></p><p class=MsoNormal><span lang=EN-US> after-sb-1pri discard-secondary;</span><o:p></o:p></p><p class=MsoNormal><span lang=EN-US> after-sb-2pri disconnect;</span><o:p></o:p></p><p class=MsoNormal><span lang=EN-US> </span><o:p></o:p></p><p class=MsoNormal><span lang=EN-US> }</span><o:p></o:p></p><p class=MsoNormal><span lang=EN-US> # DRBD device</span><o:p></o:p></p><p class=MsoNormal><span lang=EN-US> device /dev/drbd0;</span><o:p></o:p></p><p class=MsoNormal><span lang=EN-US> # phisical device</span><o:p></o:p></p><p class=MsoNormal><span lang=EN-US> disk /dev/vg_noc1synt/lv02;</span><o:p></o:p></p><p class=MsoNormal><span lang=EN-US> meta-disk internal;</span><o:p></o:p></p><p class=MsoNormal><span lang=EN-US> on <a href="http://noc-1-synt.rutube.ru">noc-1-synt.rutube.ru</a> {</span><o:p></o:p></p><p class=MsoNormal><span lang=EN-US> # IP address:port</span><o:p></o:p></p><p class=MsoNormal><span lang=EN-US> address 10.1.20.10:7788;</span><o:p></o:p></p><p class=MsoNormal><span lang=EN-US> }</span><o:p></o:p></p><p class=MsoNormal><span lang=EN-US> on <a href="http://noc-1-m77.rutube.ru">noc-1-m77.rutube.ru</a> {</span><o:p></o:p></p><p class=MsoNormal><span lang=EN-US> address 10.2.20.9:7788;</span><o:p></o:p></p><p class=MsoNormal><span lang=EN-US> }</span><o:p></o:p></p><p class=MsoNormal><span lang=EN-US>}</span><o:p></o:p></p><p class=MsoNormal><span lang=EN-US>[root@noc-1-synt /]#</span><o:p></o:p></p><p class=MsoNormal><span lang=EN-US> </span><o:p></o:p></p><p class=MsoNormal><span lang=EN-US> </span><o:p></o:p></p><p class=MsoNormal><span lang=EN-US> </span><o:p></o:p></p></div></blockquote><blockquote style='margin-top:5.0pt;margin-bottom:5.0pt'><div><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Times New Roman","serif"'>_______________________________________________<br>drbd-user mailing list<br><a href="mailto:drbd-user@lists.linbit.com">drbd-user@lists.linbit.com</a><br><a href="http://lists.linbit.com/mailman/listinfo/drbd-user">http://lists.linbit.com/mailman/listinfo/drbd-user</a><o:p></o:p></span></p></div></blockquote></div></body></html>