7 articles on this topic
When running packstack to install OpenStack, the following error may appear: [root@openstack-liberty1 ~]# packstack --answer-file=answers.txt ERROR:root:Failed to load plugin from file prescript_000.py
If VMs cannot ping their gateway or router after creating a network and router in OpenStack, check the VLAN tags in Open vSwitch on the compute and network nodes.
If cloud-config on an AWS EC2 instance or OpenStack does not behave as configured, and the error log shows Failed at merging in cloud config part from ... as below…
A collection of OpenStack cloud images for various distributions, for creating images in Glance. CirrOS is a small Linux cloud image for testing instance creation.
Red Hat failover clustering has an interesting feature for controlling a dependent service when its primary service starts or stops: the depend_mode attribute.
Red Hat Enterprise Linux 4.5 and later have a feature for implementing highly available LVM without CLVM, which is part of GFS.
Linux Cluster style: 1. High Availability or Fail-Over Cluster. 2. Load balancing Cluster. 1. Linux Cluster: High Availability (HA) or Fail-Over Cluster handles failover when a server goes down.
