8.6.4 Example of environment settings for a KVM-based virtualization environment

The following figure shows the system configuration that applies to the example of environment settings for a KVM-based virtualization environment.

Figure 8‒19: System configuration for a KVM-based virtualization environment

The following shows an example of the environment settings for the primary system and the secondary system in this system configuration.

Environment settings for the primary system (in a KVM-based virtualization environment)

XML settings for the guest OS (excerpts from the sections related to the shared disk and SCSI controller)

/*  XML settings for the guest OS  */
... (omitted)
    <disk type='block' device='lun' sgio='unfiltered'>
      <driver name='qemu' type='raw'/>
      <source dev='/dev/disk/by-path/fc-0x51402ec015521038-0x50060e8010368dd1-lun-0'/>
      <target dev='sdb' bus='scsi'/>
      <shareable/>
      <address type='drive' controller='0' bus='0' target='0' unit='1'/>
    </disk>
    <disk type='block' device='lun' sgio='unfiltered'>
      <driver name='qemu' type='raw'/>
      <source dev='/dev/disk/by-path/fc-0x51402ec01552103a-0x50060e8010368dd1-lun-0'/>
      <target dev='sdc' bus='scsi'/>
      <shareable/>
      <address type='drive' controller='0' bus='0' target='0' unit='2'/>
    </disk>
... (omitted)
    <controller type='scsi' index='0' model='virtio-scsi'>
      <address type='pci' domain='0x0000' bus='0x07' slot='0x00' function='0x0'/>
    </controller>
... (omitted)

HA Monitor environment settings (definition file: /opt/hitachi/HAmon/etc/sysdef)

/*  HA Monitor environment settings  */
environment  name             host1,
             address          1,
             patrol           60,
             lan              path11,
             lanport          HAmon1;
function     pathpatrol       1,
             pathpatrol_retry 3:3,
             fence_reset      nouse,
             fence_scsi       use;

Server environment definition (definition file: /opt/hitachi/HAmon/etc/servers)

/*  Server environment definition  */
server  name         /users/server1,
        alias        server1,
        acttype      monitor,
        initial      online,
        disk         /dev/vg01,
        dmmp_device  /dev/mapper/mpatha,
        fs_name      /dev/vg01/lvol01,
        fs_mount_dir /mnt/1;

Environment settings for the secondary system (in a KVM-based virtualization environment)

XML settings for the guest OS (excerpts from the sections related to the shared disk and SCSI controller)

/*  XML settings for the guest OS  */
... (omitted)
    <disk type='block' device='lun' sgio='unfiltered'>
      <driver name='qemu' type='raw'/>
      <source dev='/dev/disk/by-path/fc-0x51402ec01482ac14-0x50060e8010368dd1-lun-0'/>
      <target dev='sdb' bus='scsi'/>
      <shareable/>
      <address type='drive' controller='0' bus='0' target='0' unit='1'/>
    </disk>
    <disk type='block' device='lun' sgio='unfiltered'>
      <driver name='qemu' type='raw'/>
      <source dev='/dev/disk/by-path/fc-0x51402ec01482ac16-0x50060e8010368dd1-lun-0'/>
      <target dev='sdc' bus='scsi'/>
      <shareable/>
      <address type='drive' controller='0' bus='0' target='0' unit='2'/>
    </disk>
... (omitted)
    <controller type='scsi' index='0' model='virtio-scsi'>
      <address type='pci' domain='0x0000' bus='0x07' slot='0x00' function='0x0'/>
    </controller>
... (omitted)

HA Monitor environment settings (definition file: /opt/hitachi/HAmon/etc/sysdef)

/*  HA Monitor environment settings  */
environment  name             host2,
             address          2,
             patrol           60,
             lan              path21,
             lanport          HAmon1;
function     pathpatrol       1,
             pathpatrol_retry 3:3,
             fence_reset      nouse,
             fence_scsi       use;

Server environment definition (definition file: /opt/hitachi/HAmon/etc/servers)

/*  Server environment definition  */
server  name         /users/server1,
        alias        server1,
        acttype      monitor,
        initial      standby,
        disk         /dev/vg01,
        dmmp_device  /dev/mapper/mpatha,
        fs_name      /dev/vg01/lvol01,
        fs_mount_dir /mnt/1;

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