pierre.lebrech at laposte
Aug 4, 2009, 7:49 AM
Post #1 of 2
(709 views)
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lost connection on node3 when switching over from node1 to node2
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hello,
when I switch over HA services from node1 to node2, node3 looses its connection. But nearly 10 seconds later, it
reconnects automatically.
Is it normal?
context : 3-node cluster, every node connected, HA services on node1, DRBD version 8.3.2 on linux 2.6.30.
here is the drbd.conf file :
global {
usage-count yes;
}
common {
syncer { rate 10M; }
net {
max-buffers 40000;
}
}
resource r0 {
protocol C;
handlers {
pri-on-incon-degr "echo o > /proc/sysrq-trigger ; halt -f";
pri-lost-after-sb "echo o > /proc/sysrq-trigger ; halt -f";
local-io-error "echo o > /proc/sysrq-trigger ; halt -f";
}
startup {
wfc-timeout 0;
degr-wfc-timeout 120;
}
disk {
on-io-error detach;
}
net {
after-sb-0pri disconnect;
after-sb-1pri disconnect;
after-sb-2pri disconnect;
rr-conflict disconnect;
}
syncer {
rate 90M;
al-extents 128;
csums-alg md5;
}
on node1 {
device /dev/drbd0;
disk /dev/md2;
address 10.0.0.1:7788;
meta-disk /dev/md1 [0];
}
on node2 {
device /dev/drbd0;
disk /dev/md2;
address 10.0.0.2:7788;
meta-disk /dev/md1 [0];
}
}
resource r0-U {
protocol C;
syncer {
csums-alg md5;
rate 5M;
}
stacked-on-top-of r0 {
device /dev/drbd1;
address 192.168.2.15:7788;
}
on node3 {
device /dev/drbd1;
disk /dev/md2;
address 192.168.2.14:7788;
meta-disk internal;
}
}
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