[Pacemaker] Announcing Pacemaker v1.1.11

Andrew Beekhof andrew at beekhof.net
Thu Feb 13 18:44:46 EST 2014

Great job David, thanks for taking the lead on this role while I was on baby duty :)

On 14 Feb 2014, at 4:26 am, David Vossel <dvossel at redhat.com> wrote:

> I am excited to announce the release of Pacemaker v1.1.11
>  https://github.com/ClusterLabs/pacemaker/releases/tag/Pacemaker-1.1.11
> There were no changes between the final release and rc5.
> This has been a very successful release process.  I'm proud of the testing
> and contributions the community put into this release.  Thank you all for
> your support, this community is great :D
> Looking forward to Pacemaker 1.1.12, we have a lot of new functionality on
> the horizon. Scaling pacemaker from a dozen or so nodes to hundreds possibly
> thousands of nodes is a very real and attainable goal for us this year.  An
> announcement about 1.1.12 features and beta testing should arrive in the next
> few months.
> If you are a user of `pacemaker_remoted`, you should take the time to read 
> about changes to the online wire protocol that are present in this release.
> http://blog.clusterlabs.org/blog/2013/changes-to-the-remote-wire-protocol/
> To build `rpm` packages:
> 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
> ## Details - 1.1.11 - final
> Changesets: 462
> Diff:       147 files changed, 6810 insertions(+), 4057 deletions(-)
> ## Highlights
> ### Features added since Pacemaker-1.1.10
>  + attrd: A truly atomic version of attrd for use where CPG is used for cluster communication
>  + cib: Allow values to be added/updated and removed in a single update
>  + cib: Support XML comments in diffs
>  + Core: Allow blackbox logging to be disabled with SIGUSR2
>  + crmd: Do not block on proxied calls from pacemaker_remoted
>  + crmd: Enable cluster-wide throttling when the cib heavily exceeds its target load
>  + crmd: Make the per-node action limit directly configurable in the CIB
>  + crmd: Slow down recovery on nodes with IO load
>  + crmd: Track CPU usage on cluster nodes and slow down recovery on nodes with high CPU/IO load
>  + crm_mon: add --hide-headers option to hide all headers
>  + crm_node: Display partition output in sorted order
>  + crm_report: Collect logs directly from journald if available
>  + Fencing: On timeout, clean up the agent's entire process group
>  + Fencing: Support agents that need the host to be unfenced at startup
>  + ipc: Raise the default buffer size to 128k
>  + PE: Add a special attribute for distinguishing between real nodes and containers in constraint rules
>  + PE: Allow location constraints to take a regex pattern to match against resource IDs
>  + pengine: Distinguish between the agent being missing and something the agent needs being missing
>  + remote: Properly version the remote connection protocol
> ### Changes since Pacemaker-1.1.10
>  +  Bug rhbz#1011618 - Consistently use 'Slave' as the role for unpromoted master/slave resources
>  +  Bug rhbz#1057697 - Use native DBus library for systemd and upstart support to avoid problematic use of threads
>  + attrd: Any variable called 'cluster' makes the daemon crash before reaching main()
>  + attrd: Avoid infinite write loop for unknown peers
>  + attrd: Drop all attributes for peers that left the cluster
>  + attrd: Give remote-nodes ability to set attributes with attrd
>  + attrd: Prevent inflation of attribute dampen intervals
>  + attrd: Support SI units for attribute dampening
>  + Bug cl#5171 - pengine: Don't prevent clones from running due to dependant resources
>  + Bug cl#5179 - Corosync: Attempt to retrieve a peer's node name if it is not already known
>  + Bug cl#5181 - corosync: Ensure node IDs are written to the CIB as unsigned integers
>  + Bug rhbz#902407 - crm_resource: Handle --ban for master/slave resources as advertised
>  + cib: Correctly check for archived configuration files
>  + cib: Correctly log short-form xml diffs
>  + cib: Fix remote cib based on TLS
>  + cibadmin: Report errors during sign-off
>  + cli: Do not enabled blackbox for cli tools
>  + cluster: Fix segfault on removing a node
>  + cman: Do not start pacemaker if cman startup fails
>  + cman: Start clvmd and friends from the init script if enabled
>  + Command-line tools should stop after an assertion failure
>  + controld: Use the correct variant of dlm_controld for corosync-2 clusters
>  + cpg: Correctly set the group name length
>  + cpg: Ensure the CPG group is always null-terminated
>  + cpg: Only process one message at a time to allow other priority jobs to be performed
>  + crmd: Correctly observe the configured batch-limit
>  + crmd: Correctly update expected state when the previous DC shuts down
>  + crmd: Correcty update the history cache when recurring ops change their return code
>  + crmd: Don't add node_state to cib, if we have not seen or fenced this node yet
>  + crmd: don't segfault on shutdown when using heartbeat
>  + crmd: Prevent recurring monitors being cancelled due to notify operations
>  + crmd: Reliably detect and act on reprobe operations from the policy engine
>  + crmd: When a peer expectedly shuts down, record the new join and expected states into the cib
>  + crmd: When the DC gracefully shuts down, record the new expected state into the cib
>  + crm_attribute: Do not swallow hostname lookup failures
>  + crm_mon: Do not display duplicates of failed actions
>  + crm_mon: Reduce flickering in interactive mode
>  + crm_resource: Observe --master modifier for --move
>  + crm_resource: Provide a meaningful error if --master is used for primitives and groups
>  + fencing: Allow fencing for node after topology entries are deleted
>  + fencing: Apply correct score to the resource of group
>  + fencing: Ignore changes to non-fencing resources
>  + fencing: Observe pcmk_host_list during automatic unfencing
>  + fencing: Put all fencing agent processes into their own process group
>  + fencing: Wait until all possible replies are recieved before continuing with unverified devices
>  + ipc: Compress msgs based on client's actual max send size
>  + ipc: Have the ipc server enforce a minimum buffer size all clients must use.
>  + iso8601: Prevent dates from jumping backwards a day in some timezones
>  + lrmd: Correctly calculate metadata for the 'service' class
>  + lrmd: Correctly cancel monitor actions for lsb/systemd/service resources on cleaning up
>  + mcp: Remove LSB hints that instruct chkconfig to start pacemaker at boot time
>  + mcp: Some distros complain when LSB scripts do not include Default-Start/Stop directives
>  + pengine: Allow fencing of baremetal remote nodes
>  + pengine: cl#5186 - Avoid running rsc on two nodes when node is fenced during migration
>  + pengine: Correctly account for the location preferences of things colocated with a group
>  + pengine: Correctly handle demotion of grouped masters that are partially demoted
>  + pengine: Disable container node probes due to constraint conflicts
>  + pengine: Do not allow colocation with blocked clone instances
>  + pengine: Do not re-allocate clone instances that are blocked in the Stopped state
>  + pengine: Do not restart resources that depend on unmanaged resources
>  + pengine: Force record pending for migrate_to actions
>  + pengine: Location constraints with role=Started should prevent masters from running at all
>  + pengine: Order demote/promote of resources on remote nodes to happen only once the connection is up
>  + pengine: Properly handle orphaned multistate resources living on remote-nodes
>  + pengine: Properly shutdown orphaned remote connection resources
>  + pengine: Recover unexpectedly running container nodes.
>  + remote: Add support for ipv6 into pacemaker_remote daemon
>  + remote: Handle endian changes between client and server and improve forward compatibility
>  + services: Fixes segfault associated with cancelling in-flight recurring operations.
>  + services: Reset the scheduling policy and priority for lrmd's children without replying on SCHED_RESET_ON_FORK
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