I am pleased to report that 1.1.12 is finally done. This is a really great release and includes three key improvements:
- ACLs are now on by default
- pacemaker-remote now works for bare-metal nodes
- Thanks to a new algorithm, the CIB is now two orders of magnitude faster.
This means less CPU usage by the cluster itself and faster failover times.
I will be building for Fedora shortly, those on other distros (and the
impatient) can build their own rpm packages with the instructions below.
1. Clone the current sources:
# git clone --depth 0 git://github.com/ClusterLabs/pacemaker.git
# cd pacemaker
2. Install dependancies (if you haven't already)
[Fedora] # sudo yum install -y yum-utils
[ALL] # make rpm-dep
3. Build Pacemaker
# make release
4. Copy and deploy as needed
Some stats for this release:
- Changesets: 795
- Diff: 195 files changed, 13772 insertions(+), 6176 deletions(-)
Features added since Pacemaker-1.1.11
• Changes to the ACL schema to support nodes and unix groups
• cib: Check ACLs prior to making the update instead of parsing the
diff afterwards
• cib: Default ACL support to on
• cib: Enable the more efficient xml patchset format
• cib: Implement zero-copy status update
• cib: Send all r/w operations via the cluster connection and have all
nodes process them
• crmd: Set "cluster-name" property to corosync's "cluster_name" by
default for corosync-2
• crm_mon: Display brief output if "-b/--brief" is supplied or 'b' is
toggled
• crm_report: Allow ssh alternatives to be used
• crm_ticket: Support multiple modifications for a ticket in an atomic
operation
• extra: Add logrotate configuration file for /var/log/pacemaker.log
• Fencing: Add the ability to call stonith_api_time() from stonith_admin
• logging: daemons always get a log file, unless explicitly set to
configured 'none'
• logging: allows the user to specify a log level that is output to
syslog
• PE: Automatically re-unfence a node if the fencing device definition
changes
• pengine: cl#5174 - Allow resource sets and templates for location
constraints
• pengine: Support cib object tags
• pengine: Support cluster-specific instance attributes based on rules
• pengine: Support id-ref in nvpair with optional "name"
• pengine: Support per-resource maintenance mode
• pengine: Support site-specific instance attributes based on rules
• tools: Allow crm_shadow to create older configuration versions
• tools: Display pending state in crm_mon/crm_resource/crm_simulate if
--pending/-j is supplied (cl#5178)
• xml: Add the ability to have lightweight schema revisions
• xml: Enable resource sets in location constraints for 1.2 schema
• xml: Support resources that require unfencing
You can get the full details at
https://github.com/ClusterLabs/pacemaker/releases/tag/Pacemaker-1.1.12
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