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Geo-rep Recovery plan

Use Case

In the event of geo-rep master suffering a partial failure (one of the GlusterFS brick process not functioning) or a full failure (master node shuts down), the steps involved in recovering the master from the slave is what is covered here.

Notion used in this document

leseb

@@ -469,7 +469,8 @@ delete_route () {
   case "$SYSTYPE" in
   SunOS)  return 0;;	
   *BSD)  CMD="$ROUTE -n delete -host $ipaddr";;  	
-  *)  CMD="$ROUTE -n del -host $ipaddr";;	
+        *)      MYROUTE=$(ip r s | grep "src $ipaddr")	
+                CMD="ip r d $MYROUTE" ;;
   esac

   $CMD

leseb

@@ -239,8 +239,9 @@ keystone_monitor() {	
     if [ -n "$OCF_RESKEY_client_binary" ] && [ -n "$OCF_RESKEY_os_username" ] \	
     && [ -n "$OCF_RESKEY_os_password" ] && [ -n "$OCF_RESKEY_os_tenant_name" ] \	
     && [ -n "$OCF_RESKEY_os_auth_url" ]; then  	
-        if ! check_binary $OCF_RESKEY_client_binary; then ocf_log warn "$OCF_RESKEY_client_binary \  	
-          missing, can not monitor!" else	
+        if ! check_binary $OCF_RESKEY_client_binary; then 	
+            ocf_log warn "$OCF_RESKEY_client_binary missing, can not monitor!" 
+        else
             ocf_run -q $OCF_RESKEY_client_binary \

leseb

--- a/tools/ocf/keystone
+++ b/tools/ocf/keystone	
@@ -277,6 +277,7 @@	
     # Spin waiting for the server to come up.	
     # Let the CRM/LRM time us out if required	
     while true; do	
+    sleep 1	
     keystone_monitor
...	 ...	
     rc=$?	

leseb

@@ -144,7 +144,7 @@ find_rbd_dev() {
 rbd_validate_all() {	
     # Test for configuration errors first
     if [ -z "$OCF_RESKEY_name" ]; then  	
-       ocf_log err 'Required parameter "name" is unset!'	
+       ocf_log err "Required parameter "name" is unset!"	
        exit $OCF_ERR_CONFIGURED

leseb

#!/bin/sh

# Shell script to install your public key on a remote machine
# Takes the remote machine name as an argument.
# Obviously, the remote machine must accept password authentication,
# or one of the other keys in your ssh-agent, for this to work.
#
# http://www.devthought.com/2009/09/19/get-ssh-copy-id-in-mac-os-x/
#

leseb

@@ -66 +66 @@ cfg.MultiStrOpt() {
cfg.MultiStrOpt('virt_mkfs',
                default=[
-                  'default=mkfs.ext3 -L %(fs_label)s -F %(target)s',
+                  'default=mkfs.ext4 -L %(fs_label)s -F %(target)s',
                  'linux=mkfs.ext3 -L %(fs_label)s -F %(target)s',
                  'windows=mkfs.ntfs'
                  ' --force --fast --label %(fs_label)s %(target)s',
                  # NOTE(yamahata): vfat case
                  #'windows=mkfs.vfat -n %(fs_label)s %(target)s',

leseb

diff --git a/cinder/volume/drivers/rbd.py b/cinder/volume/drivers/rbd.py
index c9016bf..9365b86 100644
--- a/cinder/volume/drivers/rbd.py
+++ b/cinder/volume/drivers/rbd.py
@@ -54,8 +54,9 @@ class RBDDriver(driver.VolumeDriver):
     def __init__(self, *args, **kwargs):
         super(RBDDriver, self).__init__(*args, **kwargs)
         self.configuration.append_config_values(rbd_opts)
+        volume_backend_name = self.configuration.safe_get('volume_backend_name') or 'RBD'
         self._stats = dict(

leseb

#!/bin/bash

echo "toto"

leseb

#!/bin/bash

echo "lol"