Cluster Pacemaker et Corosync partition GFS2

Brouillon

Voir :

Voir aussi :

/sbin/lvmconf --enable-cluster

ou

/etc/lvm/lvm.conf

locking_type = 3

sed -i -e "s/use_lvmetad \= 1/use_lvmetad \= 0/g" /etc/lvm/lvm.conf
systemctl stop lvm2-lvmetad.service
dracut -H -f /boot/initramfs-$(uname -r).img  $(uname -r)

yum install rgmanager lvm2-cluster gfs2-utils
 
mkfs.gfs2 -p lock_dlm -t my_cluster:FSName -j 2 /dev/sdb

-j 2
2 journaux car deux nœuds

Teste

mount -t gfs2 -o locktable="my_cluster:FSName" /dev/sdb /mnt/gfs/

pcs resource create dlm ocf:pacemaker:controld op monitor interval=30s on-fail=fence clone interleave=true ordered=true
 
pcs resource create clvmd ocf:heartbeat:clvm op monitor interval=30s on-fail=fence clone interleave=true ordered=true
 
pcs constraint order start dlm-clone then clvmd-clone
pcs constraint colocation add clvmd-clone with dlm-clone

pcs resource create clusterfs Filesystem device="/dev/vg_data/lv_test1" directory="/mnt/gfs" fstype="gfs2" "options=noatime" \
op monitor interval=10s on-fail=fence clone interleave=true

Pb

Pb Cluster LVM Err internal cluster locking initialisation failed

Transport endpoint is not connected

mount: mount /dev/sdb on /mnt/gfs failed: Transport endpoint is not connected

Solution

systemctl start dlm
systemctl enable dlm