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<div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><font face="Helvetica" size="3" style="font: 12.0px Helvetica">We recently had a the joy of experiencing a power failure at our datacenter.</font></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 12px/normal Helvetica; min-height: 14px; "><br></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><font face="Helvetica" size="3" style="font: 12.0px Helvetica">I have setup a few different clusters using a 2 node Active/Passive DRBD/Heartbeat configuration with MySQL running on the Active/Primary node. These clusters are setup using versions DRBD 0.7.21 and Heartbeat 2.0.7. When these boxes rebooted, and I restarted DRBD and Heartbeat on the Primary and Secondary nodes in each cluster, everything got back to their original states with no problems. </font></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 12px/normal Helvetica; min-height: 14px; "><br></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><font face="Helvetica" size="3" style="font: 12.0px Helvetica">I have a new cluster I have been doing a proof of concept on, with the same 2 node style configuration, except running versions DRBD 8.3.0 and Heartbeat 2.07. When I restarted DRBD on these servers I got the following:</font></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 12px/normal Helvetica; min-height: 14px; "><br></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><font face="Helvetica" size="3" style="font: 12.0px Helvetica"><b>Node #1:</b></font></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 12px/normal Helvetica; min-height: 14px; "><br></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><font face="Courier" size="3" style="font: 12.0px Courier">drbd driver loaded OK; device status:</font></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><font face="Courier" size="3" style="font: 12.0px Courier">version: 8.3.0 (api:88/proto:86-89)</font></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><font face="Courier" size="3" style="font: 12.0px Courier">GIT-hash: <removed> build by root@node1, 2009-02-03 10:44:58</font></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><font face="Courier" size="3" style="font: 12.0px Courier">m:res cs ro ds p mounted fstype</font></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><font face="Courier" size="3" style="font: 12.0px Courier">0:??not-found?? Connected Primary/Secondary UpToDate/UpToDate C</font></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><font face="Courier" size="3" style="font: 12.0px Courier">1:??not-found?? Connected Primary/Secondary UpToDate/UpToDate C</font></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 12px/normal Helvetica; min-height: 14px; "><br></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><font face="Helvetica" size="3" style="font: 12.0px Helvetica"><b>Node #2:</b></font></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 12px/normal Helvetica; min-height: 14px; "><br></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><font face="Courier" size="3" style="font: 12.0px Courier">drbd driver loaded OK; device status:</font></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><font face="Courier" size="3" style="font: 12.0px Courier">version: 8.3.0 (api:88/proto:86-89)</font></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><font face="Courier" size="3" style="font: 12.0px Courier">GIT-hash: 9ba8b93e24d842f0dd3fb1f9b90e8348ddb95829 build by root@node2, 2009-02-03 16:28:26</font></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><font face="Courier" size="3" style="font: 12.0px Courier">m:res cs ro ds p mounted fstype</font></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><font face="Courier" size="3" style="font: 12.0px Courier">0:??not-found?? Connected Secondary/Primary UpToDate/UpToDate C</font></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><font face="Courier" size="3" style="font: 12.0px Courier">1:??not-found?? Connected Secondary/Primary UpToDate/UpToDate C</font></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 12px/normal Helvetica; min-height: 14px; "><br></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 12px/normal Helvetica; min-height: 14px; "><br></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><font face="Helvetica" size="3" style="font: 12.0px Helvetica">Can anyone please explain what the ??not-found?? means and why everything else in the status info looks like everything is fine? However, I do not see that the two devices that represent resource 0 and 1 ever got mounted:</font></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 12px/normal Helvetica; min-height: 14px; "><br></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><font face="Courier" size="3" style="font: 12.0px Courier">df</font></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><font face="Courier" size="3" style="font: 12.0px Courier">Filesystem 1K-blocks Used Available Use% Mounted on</font></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><font face="Courier" size="3" style="font: 12.0px Courier">/dev/md2 5036224 1742416 3037980 37% /</font></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><font face="Courier" size="3" style="font: 12.0px Courier">/dev/md1 194366 13364 170967 8% /boot</font></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><font face="Courier" size="3" style="font: 12.0px Courier">none 2020692 0 2020692 0% /dev/shm</font></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><font face="Courier" size="3" style="font: 12.0px Courier">/dev/md5 38637728 81852 36593140 1% /opt</font></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 12px/normal Helvetica; min-height: 14px; "><br></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 12px/normal Helvetica; min-height: 14px; "><br></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><font face="Helvetica" size="3" style="font: 12.0px Helvetica">The mounted disks should look like:</font></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 12px/normal Helvetica; min-height: 14px; "><br></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><font face="Courier" size="3" style="font: 12.0px Courier">df</font></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><font face="Courier" size="3" style="font: 12.0px Courier">Filesystem 1K-blocks Used Available Use% Mounted on</font></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><font face="Courier" size="3" style="font: 12.0px Courier">/dev/sda3 5036316 2490456 2290028 53% /</font></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><font face="Courier" size="3" style="font: 12.0px Courier">/dev/sda1 194442 20111 164292 11% /boot</font></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><font face="Courier" size="3" style="font: 12.0px Courier">none 4083052 0 4083052 0% /dev/shm</font></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><font face="Courier" size="3" style="font: 12.0px Courier">/dev/sda7 64033092 9845224 50935112 17% /opt</font></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><font face="Courier" size="3" style="font: 12.0px Courier">/dev/drbd0 280987876 10224568 256489960 4% /data</font></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><font face="Courier" size="3" style="font: 12.0px Courier">/dev/drbd1 61931268 49201936 9583408 84% /logs</font></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 12px/normal Helvetica; min-height: 14px; "><br></div><p style="margin: 0.0px 0.0px 0.0px 0.0px"><font face="Helvetica" size="3" style="font: 12.0px Helvetica"> </font></p><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><font face="Helvetica" size="3" style="font: 12.0px Helvetica">Any help would be greatly appreciated. Thanks!</font></div><br><div>Clint</div></body></html>