Gfs Debian etch
Published:
By Enrico Rossi
Category: blog
Bisogna installare CLVM e modificare l'/etc/lvm/lvm.conf per attivare il locking del cluster.
locking_library = "liblvm2clusterlock.so"
locking_type = 2
library_dir = "/lib/lvm2"
/etc/cluster/cluster.conf
<?xml version="1.0"?>
<cluster name="cluster1" config_version="4">
<cman two_node="1" expected_votes="1"/>
<clusternodes>
<clusternode name="nfs2" votes="1">
<fence>
<method name="single">
<device name="manual" ipaddr="nfs2.nfsnet"/>
</method>
</fence>
</clusternode>
<clusternode name="nfs1" votes="1">
<fence>
<method name="single">
<device name="manual" ipaddr="nfs1.nfsnet"/>
</method>
</fence>
</clusternode>
</clusternodes>
<fencedevices>
<fencedevice name="manual" agent="fence_manual"/>
</fencedevices>
<rm>
<failoverdomains/>
<resources/>
</rm>
</cluster>
Xen
usa w! per forzare l'accesso da + DomU
poi
modprobe cman dlm
/etc/init.d/ccs start (questo dovrebbe andare in init da solo)
/etc/init.d/cman start (questo solo se modprobe cman)
clvmd (questo solo se modprobe dlm)
fence_tool join -D
fence_ack_manual -n nfs1.nfsnet
per attivare il volume group
vgchange -a y
varie:
cman_tool join -c cluster1 -X -e 1
ccs_tool addfence --no_ccs manual fence_manual
pvcreate --metadatacopies 2 /dev/sda
Physical volume "/dev/sda" successfully created
vgcreate --clustered y clvg01 /dev/sda
Volume group "clvg01" successfully created
lvcreate --size 2T --name mylv clvg01
gfs_mkfs -j 8 -p lock_dlm -t cluster1:dsk1 /dev/mapper/clvg01-mylv