openstack/devstack
Code Issues Proposed changes

2.5x increase in default volume backing file size

Browse Source 
The current default volume backing file size of ~2Gb seem unfeasibly
small and precludes running exercises that require multiple volumes
and/or snapshots to be created.

We increase this to ~5Gb.

Change-Id: Id6b8d122be919d1b0041288e81b735af21958ff7
This commit is contained in:
Eoghan Glynn 2012-07-15 10:22:45 +01:00
parent 070d492da9
commit 9cb1776a92
3 changed files with 5 additions and 4 deletions

3
lib/cinder

@ -93,11 +93,10 @@ function init_cinder() {
# volume group, create your own volume group called ``stack-volumes`` before
# invoking ``stack.sh``.
#
# By default, the backing file is 2G in size, and is stored in ``/opt/stack/data``.
# By default, the backing file is 5G in size, and is stored in ``/opt/stack/data``.
if ! sudo vgs $VOLUME_GROUP; then
VOLUME_BACKING_FILE=${VOLUME_BACKING_FILE:-$DATA_DIR/${VOLUME_GROUP}-backing-file}
VOLUME_BACKING_FILE_SIZE=${VOLUME_BACKING_FILE_SIZE:-2052M}
# Only create if the file doesn't already exists
[[ -f $VOLUME_BACKING_FILE ]] || truncate -s $VOLUME_BACKING_FILE_SIZE $VOLUME_BACKING_FILE
DEV=`sudo losetup -f --show $VOLUME_BACKING_FILE`

3
stack.sh

@ -1638,11 +1638,10 @@ elif is_service_enabled n-vol; then
# volume group, create your own volume group called ``stack-volumes`` before
# invoking ``stack.sh``.
#
# By default, the backing file is 2G in size, and is stored in ``/opt/stack/data``.
# By default, the backing file is 5G in size, and is stored in ``/opt/stack/data``.
if ! sudo vgs $VOLUME_GROUP; then
VOLUME_BACKING_FILE=${VOLUME_BACKING_FILE:-$DATA_DIR/${VOLUME_GROUP}-backing-file}
VOLUME_BACKING_FILE_SIZE=${VOLUME_BACKING_FILE_SIZE:-2052M}
# Only create if the file doesn't already exists
[[ -f $VOLUME_BACKING_FILE ]] || truncate -s $VOLUME_BACKING_FILE_SIZE $VOLUME_BACKING_FILE
DEV=`sudo losetup -f --show $VOLUME_BACKING_FILE`

3
stackrc

@ -120,3 +120,6 @@ esac
if [ -f $RC_DIR/localrc ]; then
source $RC_DIR/localrc
fi
# 5Gb default volume backing file size
VOLUME_BACKING_FILE_SIZE=${VOLUME_BACKING_FILE_SIZE:-5130M}