diff --git a/regtest/regtest.conf b/regtest/regtest.conf
index a60175ff..c34e033d 100644
--- a/regtest/regtest.conf
+++ b/regtest/regtest.conf
@@ -2,7 +2,7 @@
 export VIRT_NUM=${VIRT_NUM:-'1'}
 export VIRT_CPUS=${VIRT_CPUS:-'10'}
 export VIRT_MEM=${VIRT_MEM:-'8192'}
-export VIRT_DISK=${VIRT_DISK:-'20G'}
+export VIRT_DISK=${VIRT_DISK:-'30G'}
 export SWITCH_IPS=${SWITCH_IPS:-'10.145.81.219'}
 export SWITCH_VERSION=${SWITCH_VERSION:-'2c'}
 export SWITCH_COMMUNITY=${SWITCH_COMMUNITY:-'public'}
diff --git a/regtest/regtest2.conf b/regtest/regtest2.conf
index 51b744b6..a0bdd5fa 100644
--- a/regtest/regtest2.conf
+++ b/regtest/regtest2.conf
@@ -2,7 +2,7 @@
 export VIRT_NUM=${VIRT_NUM:-'2'}
 export VIRT_CPUS=${VIRT_CPUS:-'5'}
 export VIRT_MEM=${VIRT_MEM:-'8192'}
-export VIRT_DISK=${VIRT_DISK:-'20G'}
+export VIRT_DISK=${VIRT_DISK:-'30G'}
 export HOST_ROLES=${HOST_ROLES:-'os-controller,os-ops-database,os-ops-messaging,os-image'}
 
 REGTEST_DIR=$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )
diff --git a/regtest/regtest3.conf b/regtest/regtest3.conf
index ced120c1..388e05f7 100644
--- a/regtest/regtest3.conf
+++ b/regtest/regtest3.conf
@@ -2,7 +2,7 @@
 export VIRT_NUM=${VIRT_NUM:-'7'}
 export VIRT_CPUS=${VIRT_CPUS:-'4'}
 export VIRT_MEM=${VIRT_MEM:-'6144'}
-export VIRT_DISK=${VIRT_DISK:-'20G'}
+export VIRT_DISK=${VIRT_DISK:-'30G'}
 export HOST_ROLES=${HOST_ROLES:-'os-controller,os-image;os-ops-database,os-ops-messaging;os-network,os-block-storage-worker;os-ha;os-ha'}
 export HA_VIP=${HA_VIP:-`echo $ipaddr |cut -d. -f'1 2 3'`.253}
 
diff --git a/regtest/regtest4.conf b/regtest/regtest4.conf
index 530b6bdf..9ce86b63 100644
--- a/regtest/regtest4.conf
+++ b/regtest/regtest4.conf
@@ -2,9 +2,9 @@
 export VIRT_NUM=${VIRT_NUM:-'10'}
 export VIRT_CPUS=${VIRT_CPUS:-'3'}
 export VIRT_MEM=${VIRT_MEM:-'6144'}
-export VIRT_DISK=${VIRT_DISK:-'20G'}
+export VIRT_DISK=${VIRT_DISK:-'30G'}
 export HOST_ROLES=${HOST_ROLES:-'os-controller,os-image;os-controller,os-image;os-ops-database,os-ops-messaging;os-network,os-block-storage-worker;os-ha;os-ha'}
-export HA_VIP=${HA_VIP:-'172.16.1.253'}
+export HA_VIP=${HA_VIP:-`echo $ipaddr |cut -d. -f'1 2 3'`.253}
 
 REGTEST_DIR=$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )
 source ${REGTEST_DIR}/regtest.conf