opendev
/
system-config
Code Issues Proposed changes

Updates to static.o.o volume management docs 

* doc/source/static.rst: Stop suggesting to run commands from a root
shell, and increase the recommended cinder volume size to a
tebibyte.

Change-Id: I1e9190d82bdf0ff232ed2b06256c9abba537d184
This commit is contained in:
Jeremy Stanley 2013-12-03 04:29:47 +00:00
parent 05e85aad5b
commit 5928241f01
1 changed files with 17 additions and 17 deletions
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34
doc/source/static.rst
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@ -36,10 +36,10 @@ Adding a New Device
If the main volume group doesn't have enough space for what you want
to do, this is how you can add a new volume.
Log into ci-puppetmaster.openstack.org, su to root and run::
Log into ci-puppetmaster.openstack.org and run::
. ~/cinder-venv/bin/activate
. ~/ci-launch/cinder.sh
. ~root/cinder-venv/bin/activate
. ~root/ci-launch/cinder.sh
nova list
cinder list
@ -47,31 +47,31 @@ Log into ci-puppetmaster.openstack.org, su to root and run::
* Add a new cinder volume (substitute the next number in series for
NN)::
cinder create --display-name "static.openstack.org/mainNN" 512
cinder create --display-name "static.openstack.org/mainNN" 1024
nova volume-attach <server id> <volume id> auto
* On static.openstack.org, create the partition table::
DEVICE=/dev/xvdX
parted $DEVICE mklabel msdos mkpart primary 0% 100% set 1 lvm on
pvcreate ${DEVICE}1
sudo parted $DEVICE mklabel msdos mkpart primary 0% 100% set 1 lvm on
sudo pvcreate ${DEVICE}1
* It should show up in pvs::
root@static:/etc/lvm# pvs
PV VG Fmt Attr PSize PFree
/dev/xvdX1 lvm2 a- 512.00g 512.00g
$ sudo pvs
PV VG Fmt Attr PSize PFree
/dev/xvdX1 lvm2 a- 1024.00g 1024.00g
* Add it to the main volume group::
vgextend main ${DEVICE}1
sudo vgextend main ${DEVICE}1
Creating a New Logical Volume
=============================
Make sure there is enough space in the volume group::
root@static:~# vgs
$ sudo vgs
VG #PV #LV #SN Attr VSize VFree
main 4 2 0 wz--n- 2.00t 347.98g
@ -80,10 +80,10 @@ If not, see `Adding a New Device`_.
Create the new logical volume and initialize the filesystem::
NAME=newvolumename
/sbin/lvcreate -L1500GB -n $NAME main
sudo lvcreate -L1500GB -n $NAME main
mkfs.ext4 -m 0 -j -L $NAME /dev/main/$NAME
tune2fs -i 0 -c 0 /dev/main/$NAME
sudo mkfs.ext4 -m 0 -j -L $NAME /dev/main/$NAME
sudo tune2fs -i 0 -c 0 /dev/main/$NAME
Be sure to add it to ``/etc/fstab``.
@ -92,7 +92,7 @@ Expanding an Existing Logical Volume
Make sure there is enough space in the volume group::
root@static:~# vgs
$ sudo vgs
VG #PV #LV #SN Attr VSize VFree
main 4 2 0 wz--n- 2.00t 347.98g
@ -102,5 +102,5 @@ The following example to increase the size of a volume by 100G is
untested; please confirm::
NAME=volumename
lvextend -L+100G /dev/main/$NAME
resize2fs /dev/main/$NAME
sudo lvextend -L+100G /dev/main/$NAME
sudo resize2fs /dev/main/$NAME