GFS 6.0 Trouble Shooting
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Contents
1 Startreihenfolge der Dienste
1) rawdevices
2) pool
3) ccsd
4) lock_gulmd
5) gfs
6) clumanager
2 RAWDEVICES
raw -qa service rawdevices status
3 POOL
pool_tool -s service pool status lsmod | grep pool
4 CCSD
ccs_read list ccs_read file file.ccs service ccsd status
5 LOCK_GULMD
gulm_tool servicelist localhost:core [hostname] gulm_tool nodeinfo localhost:core hostname gulm_tool nodelist localhost:core gulm_tool getstats localhost:core gulm_tool setverb localhost:core "ReallyAll, -Heartbeat" gulm_tool setverb localhost:core "Default" service lock_gulmd status cat /proc/gulm/lockspace lock_gulmd -v ReallyAll
6 GFS
service gfs status mount -tgfs df -tgfs gfs_tool gettune <mountpoint> gfs_tool settune <mountpoint> <parameter> <value> gfs_tool jindex <mountpoint>
7 CLUMANAGER
grep config_viewnumber /etc/cluster.xml clustat -x | grep config_viewnumber clustat service clumanager status
7.1 gulm_tool
dient zum konfigurieren und status auslesen des gulm_lockd
Status auslesen
gulm_tool getstats localhost:core
lockd-master auf slave verlagern (master ist immer der, der am lägsten online ist)
gulm_tool switchPending localhost:core # auf aktuellem master ausführen
8 LINKS
http://www.redhat.com/archives/linux-cluster/2006-January/msg00034.html http://sources.redhat.com/cluster/faq.html