openstack/devstack
Code Issues Proposed changes

Update LVM autoextend config for RHEL6

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Cinder clones are slightly larger due to some extra metadata.  RHEL6
will not allow auto-extending of LV's without this, leading to clones
giving hard-to-track disk I/O errors.

See https://bugzilla.redhat.com/show_bug.cgi?id=975052

Change-Id: I09a5e061a9665c5310383f9f9eb281bfdc8e416d
This commit is contained in:
Ian Wienand 2013-06-26 22:31:48 +10:00
parent b3e8ea847f
commit 0db171378d
1 changed files with 13 additions and 0 deletions
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13
lib/cinder
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@ -276,6 +276,19 @@ function configure_cinder() {
echo "$CINDER_GLUSTERFS_SHARES" > $CINDER_CONF_DIR/glusterfs_shares echo "$CINDER_GLUSTERFS_SHARES" > $CINDER_CONF_DIR/glusterfs_shares
fi fi
fi fi
if [[ is_fedora && $DISTRO =~ (rhel6) ]]; then
# Cinder clones are slightly larger due to some extra
# metadata. RHEL6 will not allow auto-extending of LV's
# without this, leading to clones giving hard-to-track disk
# I/O errors.
# see https://bugzilla.redhat.com/show_bug.cgi?id=975052
sudo sed -i~ \
-e 's/snapshot_autoextend_threshold =.*/snapshot_autoextend_threshold = 80/' \
-e 's/snapshot_autoextend_percent =.*/snapshot_autoextend_percent = 20/' \
/etc/lvm/lvm.conf
fi
} }
# create_cinder_accounts() - Set up common required cinder accounts # create_cinder_accounts() - Set up common required cinder accounts