openstack/openstack-helm
Code Issues Proposed changes

[CEPH] update ceph installation script to skip loopback device creation

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This is to update installation script to enable option to skip the
loopback device creation as this gives flexibility to use exisitng
block devices for ceph.

Change-Id: I2e05cfa627dad5d32e882af3ba82bcde21e2ad70
This commit is contained in:
Chinasubbareddy Mallavarapu 2020-08-10 16:44:50 -05:00
parent 7d4208a1f3
commit ab10fde533
2 changed files with 11 additions and 3 deletions
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8
doc/source/install/developer/deploy-with-ceph.rst
View File

@ -11,7 +11,9 @@ Deploy Ceph
We are going to install Ceph OSDs backed by loopback devices as this will
help us not to attach extra disks, in case if you have enough disks
on the node then feel free to adjust below script part of Ceph overrides.
on the node then feel free to skip creating loopback devices by exporting
CREATE_LOOPBACK_DEVICES_FOR_CEPH to false and export the block devices names
as environment variables(CEPH_OSD_DATA_DEVICE and CEPH_OSD_DB_WAL_DEVICE).
We are also going to seperate Ceph metadata and data onto a different devices
to replicate the ideal scenario of fast disks for metadata and slow disks to store data.
@ -23,6 +25,10 @@ and other disk for block DB and block WAL. If default devices (loop0 and loop1)
your case, feel free to change them by exporting environment variables(CEPH_OSD_DATA_DEVICE
and CEPH_OSD_DB_WAL_DEVICE).
.. note::
if you are rerunning the below script then make sure to skip the loopback device creation
by exporting CREATE_LOOPBACK_DEVICES_FOR_CEPH to false.
.. literalinclude:: ../../../../tools/deployment/developer/ceph/040-ceph.sh
:language: shell
:lines: 1,17-

6
tools/deployment/component/ceph/ceph.sh
View File

@ -16,8 +16,10 @@ set -xe
export CEPH_ENABLED=true
./tools/deployment/common/setup-ceph-loopback-device.sh --ceph-osd-data ${CEPH_OSD_DATA_DEVICE:=/dev/loop0} \
--ceph-osd-dbwal ${CEPH_OSD_DB_WAL_DEVICE:=/dev/loop1}
if [ "${CREATE_LOOPBACK_DEVICES_FOR_CEPH:=true}" == "true" ]; then
./tools/deployment/common/setup-ceph-loopback-device.sh --ceph-osd-data ${CEPH_OSD_DATA_DEVICE:=/dev/loop0} \
--ceph-osd-dbwal ${CEPH_OSD_DB_WAL_DEVICE:=/dev/loop1}
fi
#NOTE: Lint and package chart
export HELM_CHART_ROOT_PATH="${HELM_CHART_ROOT_PATH:="${OSH_INFRA_PATH:="../openstack-helm-infra"}"}"