Managing Serviceguard Extension for SAP Version B.05.10, September 2010
Add MDM virtual IP addresses and hostnames to /etc/hosts.
Virtual IP addresses will be enabled on the cluster node where the corresponding Serviceguard
package is started and disabled when the package is stopped. The MO7 NFS files systems will
be accessible under 172.16.11.95/nfsMO7reloc for both (a) = ONE as well as for (b) = FOUR
configurations as described above.
For the (a) ONE package configuration the database will be accessible under the
172.16.11.96/mdbreloc virtual IP address/hostname, all the MDM components under the
172.16.11.97/mdsreloc virtual IP address/hostname.
For the (a) FOUR package configuration the database will be accessible under the
172.16.11.96/mdbreloc virtual IP address/hostname, the MDS component will use the
172.16.11.97/mdsreloc virtual IP address/hostname, 172.16.11.98/mdisreloc will be
used for MDIS and 172.16.11.99/mdssreloc will be used for MDSS.
/etc/hosts
----------
172.16.11.93 clunode1 # cluster node 1
172.16.11.94 clunode2 # cluster node 2
172.16.11.95 nfsMO7reloc # MDM reloc address for NFS
172.16.11.96 mdbreloc # MDM reloc address for DB
172.16.11.97 mdsreloc # MDM reloc address for MDS
172.16.11.98 mdisreloc # MDM reloc address for MDIS
172.16.11.99 mdssreloc # MDM reloc address for MDSS
Setup Step: MDM020
Scan for new disk devices on the first cluster node (clunode1). Run ioscan and insf to
probe/install the disk devices. These will be used for the following relocateable file systems:
/usr/sap/MO7/MDIS01, /usr/sap/MO7/MDIS02, /usr/sap/MO7/MDSS03,
/export/sapmnt/MO7, /export/oracle/client and /oracle/MO7 as described
earlier.
In the following example, the storage used for this configuration is EVA based fiber storage and
was already initialized on the EVA itself.
clunode1:
iocan -fnC disk
insf -e
disk 5 0/0/1/0.2.0 sdisk CLAIMED DEVICE HP Virtual FileDisk
/dev/dsk/c0t2d0 /dev/rdsk/c0t2d0
disk 4 0/0/1/0.3.0 sdisk CLAIMED DEVICE HP Virtual FileDisk
/dev/dsk/c0t3d0 /dev/rdsk/c0t3d0
disk 11 0/0/1/0.4.0 sdisk CLAIMED DEVICE HP Virtual FileDisk
/dev/dsk/c0t4d0 /dev/rdsk/c0t4d0
disk 10 0/0/1/0.5.0 sdisk CLAIMED DEVICE HP Virtual FileDisk
/dev/dsk/c0t5d0 /dev/rdsk/c0t5d0
disk 9 0/0/1/0.6.0 sdisk CLAIMED DEVICE HP Virtual FileDisk
/dev/dsk/c0t6d0 /dev/rdsk/c0t6do
disk 8 0/0/1/0.7.0 sdisk CLAIMED DEVICE HP Virtual FileDisk
/dev/dsk/c0t7d0 /dev/rdsk/c0t7d0
Setup Step: MDM030
Create file systems and mount points on the first cluster node.
The following commands create the LVM file systems and mount points for the MDM components.
clunode1:
mkdir /dev/vgmo7ora
mkdir /dev/vgmo7sapmnt
mkdir /dev/vgmo7MDIS
mkdir /dev/vgmo7MDS
mkdir /dev/vgmo7MDSS
Installation and Configuration Considerations for MDM 7.10 in a Serviceguard modular environment 157