Tank you for the fast reply > > have you configured the stonith and drbd stonith handler? >
Yes. they were configured. The cluster was running fine for more than 4 years, until we loose one host by power supply failure. Now I need to access the files on the host that is working. > 2016-07-07 16:43 GMT+02:00 Carlos Xavier <cbas...@connection.com.br>: > > Hi. > > We had a Pacemaker cluster running OCFS2 filesystem over a DRBD device and > > we completely lost one of > the hosts. > > Now I need some help to recover the data on the remaining machine. > > I was able to load the DRBD module by hand bring up the devices using the > > drbdadm command line: > > apolo:~ # modprobe drbd > > apolo:~ # cat /proc/drbd > > version: 8.3.9 (api:88/proto:86-95) > > srcversion: A67EB2D25C5AFBFF3D8B788 > > > > apolo:~ # drbd-overview > > 0:backup > > 1:export > > apolo:~ # drbdadm attach backup > > apolo:~ # drbdadm attach export > > apolo:~ # drbd-overview > > 0:backup StandAlone Secondary/Unknown UpToDate/DUnknown r----- > > 1:export StandAlone Secondary/Unknown UpToDate/DUnknown r----- > > apolo:~ # drbdadm primary backup apolo:~ # drbdadm primary export apolo:~ # > > drbd-overview > > 0:backup StandAlone Primary/Unknown UpToDate/DUnknown r----- > > 1:export StandAlone Primary/Unknown UpToDate/DUnknown r----- > > > > We have these resources and constraints configured: > > primitive resDLM ocf:pacemaker:controld \ > > op monitor interval="120s" > > primitive resDRBD_0 ocf:linbit:drbd \ > > params drbd_resource="backup" \ > > operations $id="resDRBD_0-operations" \ > > op start interval="0" timeout="240" \ > > op stop interval="0" timeout="100" \ > > op monitor interval="20" role="Master" timeout="20" \ > > op monitor interval="30" role="Slave" timeout="20" > > primitive resDRBD_1 ocf:linbit:drbd \ > > params drbd_resource="export" \ > > operations $id="resDRBD_1-operations" \ > > op start interval="0" timeout="240" \ > > op stop interval="0" timeout="100" \ > > op monitor interval="20" role="Master" timeout="20" \ > > op monitor interval="30" role="Slave" timeout="20" > > primitive resFS_BACKUP ocf:heartbeat:Filesystem \ > > params device="/dev/drbd/by-res/backup" directory="/backup" > > fstype="ocfs2" options="rw,noatime" \ > > op monitor interval="120s" > > primitive resFS_EXPORT ocf:heartbeat:Filesystem \ > > params device="/dev/drbd/by-res/export" directory="/export" > > fstype="ocfs2" options="rw,noatime" \ > > op monitor interval="120s" > > primitive resO2CB ocf:ocfs2:o2cb \ > > op monitor interval="120s" > > group DRBD_01 resDRBD_0 resDRBD_1 > > ms msDRBD_01 DRBD_01 \ > > meta resource-stickines="100" notify="true" master-max="2" > > interleave="true" target-role="Started" > > clone cloneDLM resDLM \ > > meta globally-unique="false" interleave="true" > > target-role="Started" > > clone cloneFS_BACKUP resFS_BACKUP \ > > meta interleave="true" ordered="true" target-role="Started" > > clone cloneFS_EXPORT resFS_EXPORT \ > > meta interleave="true" ordered="true" target-role="Started" > > clone cloneO2CB resO2CB \ > > meta globally-unique="false" interleave="true" > > target-role="Started" > > colocation colDLMDRBD inf: cloneDLM msDRBD_01:Master colocation > > colFS_BACKUP-O2CB inf: cloneFS_BACKUP cloneO2CB colocation > > colFS_EXPORT-O2CB inf: cloneFS_EXPORT cloneO2CB colocation colO2CBDLM inf: > > cloneO2CB cloneDLM order > ordDLMO2CB 0: cloneDLM cloneO2CB order ordDRBDDLM 0: msDRBD_01:promote > cloneDLM:start order ordO2CB- > FS_BACKUP 0: cloneO2CB cloneFS_BACKUP order ordO2CB-FS_EXPORT 0: > > cloneO2CB cloneFS_EXPORT > > > > As the DRBD devices were brought up by hand, Pacemaker doesn't > > recognize they are up and so it doesn't start the DLM resource and all > > resources that depends on it > stay stopped. > > Is there any way I can circumvent this issue? > > Is it possible to bring the OCFS2 resources working on standalone mode? > > Please, any help will be very welcome. > > > > Best regards, > > Carlos. > > > > _______________________________________________ Users mailing list: Users@clusterlabs.org http://clusterlabs.org/mailman/listinfo/users Project Home: http://www.clusterlabs.org Getting started: http://www.clusterlabs.org/doc/Cluster_from_Scratch.pdf Bugs: http://bugs.clusterlabs.org