Tech Wiki

label xen
 	kernel mboot.c32
 	append xen.gz dom0_mem=max:128G --- vmlinuz --- initrd.img

label xen
 	kernel mboot.c32
 	append xen.gz dom0_mem=max:128G dom0_max_vcpus=20 --- vmlinuz --- initrd.img

mboot.c32 xen.gz dom0_mem=max:128G dom0_max_vcpus=20 --- vmlinuz ks=http://ca-sysinfra604.us.oracle.com/systest/public/installation/ks.cfg ksdevice=eth0 --- initrd.img
/code>

=== Kernel parameters ===
== Debugging ==

<code>
As always please boot Xen with extra debug options 'com1=115200,8n1 console=com1 loglvl=all guest_loglvl=all sync_console' And on the Linux line 'debug console=hvc0' 

mboot.c32 xen.gz dom0_mem=max:128G dom0_max_vcpus=1 com1=9600,8n1 cpufreq=verbose console=com1,vga loglvl=all guest_loglvl=all sync_console
--- vmlinuz console=hvc0 console=tty0 initcall_debug debug
--- initrd.img 

# ll /etc/ovs-agent/db
total 36
-rw------- 1 root root 12288 Sep 12 13:40 aproc
-rw------- 1 root root 12288 Sep 12 13:40 exports
-rw------- 1 root root 12288 Sep 12 13:54 repository
-rw------- 1 root root 12288 Sep 12 14:17 server
 
# ovs-agent-db dump_db server
{'cluster_state': 'DLM_Ready',
 'clustered': True,
 'is_master': True,
 'manager_event_url': 'https://192.168.0.10:7002/ovm/core/wsapi/rest/internal/Server/802D6A48-0705-9248-FA75-41B2ED1271C3/Event',
 'manager_ip': '192.168.0.10',
 'manager_statistic_url': 'https://192.168.0.10:7002/ovm/core/wsapi/rest/internal/Server/802D6A48-0705-9248-FA75-41B2ED1271C3/Statistic',
 'manager_uuid': '0004fb0000010000e3abb9a99784b8e0',
 'node_number': 1,
 'pool_alias': 'VCA-lite Server Pool',
 'pool_uuid': '0004fb000002000086f7ab23764f197d',
 'pool_virtual_ip': '192.168.0.3',
 'poolfs_nfsbase_uuid': '82235ece-ed36-4789-855e-c44ebe388dda',
 'poolfs_target': '10.196.248.11:/export/vca-lite/poolfs1',
 'poolfs_type': 'nfs',
 'poolfs_uuid': '0004fb0000050000f1cf04cdc2a4a79c',
 'registered_hostname': 'ovs193.us.oracle.com',
 'registered_ip': '192.168.0.2',
 'roles': set(['utility', 'xen'])}
 
 
# ovs-agent-db dump_db repository
{'0004fb000003000040f485577f678d25': {'alias': u'VCA-lite Repository',
                                      'filesystem': 'nfs',
                                      'fs_location': '10.196.248.11:/export/vca-lite/repo1',
                                      'manager_uuid': u'0004fb0000010000e3abb9a99784b8e0',
                                      'mount_point': '/OVS/Repositories/0004fb000003000040f485577f678d25',
                                      'version': u'3.0'}}
# ovs-agent-db dump_db aproc
{}
 
# ovs-agent-db dump_db exports
{}

# ll /poolfsmnt/0004fb0000050000f1cf04cdc2a4a79c/db
total 36
-rw------- 1 root root 12288 Sep 12 13:59 monitored_vms
-rw------- 1 root root 12288 Sep 12 14:11 server_pool
-rw------- 1 root root 12288 Sep 12 13:54 server_pool_servers
 
# ovs-agent-db -d  /poolfsmnt/0004fb0000050000f1cf04cdc2a4a79c/db dump_db monitored_vms
{'0004fb00-0006-0000-8d80-f107e4ed63c8': {'repo_id': '0004fb000003000040f485577f678d25',
                                          'vm_id': '0004fb00000600008d80f107e4ed63c8'}}
 
# ovs-agent-db -d  /poolfsmnt/0004fb0000050000f1cf04cdc2a4a79c/db dump_db server_pool
{'auto_remaster': True,
 'pool_alias': 'VCA-lite Server Pool',
 'pool_master_hostname': 'ovs193.us.oracle.com',
 'pool_member_ip_list': ['192.168.0.1', '192.168.0.2'],
 'pool_uuid': '0004fb000002000086f7ab23764f197d',
 'pool_virtual_ip': '192.168.0.3'}
 
# ovs-agent-db -d  /poolfsmnt/0004fb0000050000f1cf04cdc2a4a79c/db dump_db server_pool_servers
{'ovs192.us.oracle.com': {'is_master': True,
                          'node_number': 0,
                          'registered_ip': '192.168.0.1',
                          'roles': set(['utility', 'xen'])},
 'ovs193.us.oracle.com': {'is_master': False,
                          'node_number': 1,
                          'registered_ip': '192.168.0.2',
                          'roles': set(['utility', 'xen'])}}

# add eth port to bond port
ovs-agent-rpc ovs_bond_op "'add'" "'bond0'" "eth'"
# create bond port
ovs-agent-rpc ovs_bond_config "'start'" "'bond0'" "1" "'eth0'" "'eth1'"

# Add vlan interface
ovs-agent-rpc ovs_vlan_config "'add'" "'bond0'" "621"

# delete IP address
ovs-agent-rpc ovs_ip_config "'bond0'" "'flush'" "''" "''"
# configure static IP
ovs-agent-rpc ovs_ip_config "'bond0'" "'static'" "'10.0.0.1'" "'255.255.252.0'"

# change MTU
ovs-agent-rpc ovs_change_mtu "'bond0'" "'9000'"

# ovs-agent-rpc ovs_async_bridge "'start'" "'br0'" "'bond0'"

ovs-agent-rpc update_server_roles "'utility,xen'

# create vm
    ovs-agent-rpc create_vm \
        "'$REPO_ID'" \
        "'$VM_ID'" \
        "{'vif': ['mac=$mac0,bridge=$public_br', 'mac=$mac1,bridge=$br'],
          'OVM_simple_name': '$VM_NAME', 'guest_os_type': 'linux',
          'disk': ['file:$BASE/ovmm3.3.1/System.img,xvda,w',
                   'file:$BASE/ovmm3.3.1/ovmm3.3.1.img,xvdb,w',
                   'file:$OVMM_ISO,xvdc:cdrom,r'],
          'bootargs': '', 'on_reboot': 'restart',
          'cpu_weight': 27500, 'memory': 8192, 'cpu_cap': 0, 'maxvcpus': 2,
          'OVM_high_availability': False, 'OVM_description': '',
          'on_poweroff': 'destroy', 'on_crash': 'restart',
          'bootloader': '/usr/bin/pygrub',
          'name': '$VM_ID',
          'uuid': '$VM_UUID',
          'usbdevice': 'tablet',
          'vfb': ['type=vnc,vncunused=1,vnclisten=0.0.0.0,keymap=en-us'],
          'vcpus': 2, 'OVM_os_type': 'Oracle Linux 6', 'OVM_cpu_compat_group': '',
          'OVM_domain_type': 'xen_pvm'}"
# enable HA
     ovs-agent-rpc configure_vm_ha "'$repo_id'" "'$new_manager_vm_uuid'" "'True'"
# start vm
ovs-agent-rpc start_vm "'$REPO_ID'" "'$VM_ID'"
 
# send vm messages
    # manager network config - public mgmt - on eth0
    ovs-agent-rpc send_to_guest "'$TEMP_REPO_ID'" "'$TEMP_OVMM_VM_ID'" \
          "{'com.oracle.linux.network.device.0':'eth0'}"
    ovs-agent-rpc send_to_guest "'$TEMP_REPO_ID'" "'$TEMP_OVMM_VM_ID'" \
          "{'com.oracle.linux.network.onboot.0':'yes'}"
    ovs-agent-rpc send_to_guest "'$TEMP_REPO_ID'" "'$TEMP_OVMM_VM_ID'" \
          "{'com.oracle.linux.network.bootproto.0':'static'}"
    ovs-agent-rpc send_to_guest "'$TEMP_REPO_ID'" "'$TEMP_OVMM_VM_ID'" \
          "{'com.oracle.linux.network.ipaddr.0':'$ovmm_public_ip'}"
    ovs-agent-rpc send_to_guest "'$TEMP_REPO_ID'" "'$TEMP_OVMM_VM_ID'" \
          "{'com.oracle.linux.network.netmask.0':'$public_netmask'}"
    # network - gateway on public
    ovs-agent-rpc send_to_guest "'$TEMP_REPO_ID'" "'$TEMP_OVMM_VM_ID'" \
          "{'com.oracle.linux.network.gateway.0':'$gateway'}"
    # last one the root passwd
    ovs-agent-rpc send_to_guest "'$TEMP_REPO_ID'" "'$TEMP_OVMM_VM_ID'" \
         "{'com.oracle.linux.root-password':'$root_passwd'}"
 
# stop vm
    ovs-agent-rpc stop_vm "'$TEMP_REPO_ID'" "'$TEMP_OVMM_VM_ID'"