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</o:shapelayout></xml><![endif]--></head><body lang=PT-BR link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span lang=EN-US>My two node email server cluster uses corosync 1.4.2.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>The device /dev/drbd3, which only holds the email data in a separated disk, is running out of space.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>To change the two disks for bigger ones I’m thinking to use the following strategy:<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>1. Put node 2 in standby<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>2. Change and configure the new bigger disk on node 2<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>3. Put node 2 back online and wait for syncing.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>4. Put node 1 in standby and repeat the procedure<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>Would this approach work? <o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>I’m concerned if the meta data of the new disk created on node 2 with drdbadm create-md r3 would conflict with node 1. <o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>Or even better, is there a 'how to' specific for this case?<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>Best regards<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>Wolfgang<o:p></o:p></span></p></div></body></html>