Changes between Version 7 and Version 8 of Documentation/Logs/PacemakerGFS2

Timestamp:

May 15, 2015 2:29:49 PM (10 years ago)

Author:

Andrii Salnikov

Comment:

--

Documentation/Logs/PacemakerGFS2

@@ -27 +27 @@
 }}}
 
-Additional config for /opt, etc.
+Clustered IP for a-nodes for load balancing and failover:
 {{{
 pcs resource create a-nodes-IP ocf:heartbeat:IPaddr2 ip=10.25.240.250 cidr_netmask=32 op monitor interval=10s
@@ -36 +36 @@
 pcs resource update a-nodes-IP-clone resource-stickiness=-1
 }}}
+
+DRBD device for /opt
+{{{
+yum -y install drbd-pacemaker drbd-udev
+cat <<END > /etc/drbd.d/a-nodes-opt.conf
+resource drbdopt {
+  protocol C;
+  meta-disk internal;
+  device /dev/drbd1;
+  syncer {
+    verify-alg sha1;
+  }
+  net {
+    allow-two-primaries;
+  }
+  on a1.cluster.univ.kiev.ua {
+    disk "/dev/disk/by-path/pci-0000:04:02.0-scsi-0:0:3:0";
+    address 10.25.240.251:7789;
+  }
+  on a2.cluster.univ.kiev.ua {
+    disk "/dev/disk/by-path/pci-0000:04:02.0-scsi-0:0:3:0";
+    address 10.25.240.252:7789;
+  }
+}
+END
+
+drbdadm create-md drbdopt
+modprobe drbd
+drbdadm up drbdopt
+drbdadm primary --force drbdopt
+cat /proc/drbd
+}}}
+
 Status check commands in addition to {{{pcs status}}}:
 {{{