- AMF handles a component report of injurious health.
- AMF handles saAmfHealthcheckConfirm() SA_AIS_ERR_FAILED_OPERATION
so that if it's a recent recovery ongoing amf does nothing but if it's
no immediate recovery in progress, AMF invokes the recovery action
specified by the component when the health check is started If
the individual recommendation was SA_AMF_NO_RECOMMENDATION,
then AMF uses the configured recovery action for the component
(saAmfCompRecoveryOnError). If this recommendation also is
SA_AMF_NO_RECOMMENDATION, then AMF makes a component restart or
component/SU fail over counts on the value of
saAmfCompDisableRestart and saAmfSUFailover.
- Handling of cleanup of a component and health check response hardened.
- Time supervision and check return value of clc-cli CLEANUP command.
- Handle 'recommended recovery' specified by a component in an error
report. The potential recovery action to choose
implemented is - component restart - and - node fails over.
- The attribute saAmfCompDisableRestart is now recognizable which means
that if the component specifies 'Component restart' and restart is
disabled
then the SU in which the component is contained shall fall over.
- The attribute saAmfSUFailover will not be recognized. SU will always
fail
over as a single entity.
- A component can report an error on another component than itself.
- Implementation 'Instantiation Level' according to chapter 3.9.2 in the
AMF specification.
- Implementation of the escalation levels, component restart, SU
restart, SU fail over and Node fail over.
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One of type 'AMF invoked' and one of type 'component invoked'. testamf1.c
code got a bit restructured at the same time.
Changes in amf.conf to complement testamf1
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2- On Solaris, the SA components executed have no names.
3- When killing the testamf1 component, it makes the aisexec process
crash on both of my nodes.
4- max priority for RR on solaris is 59.
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- One AMF node reads the AMF config file (IMM style)
- One AMF node syncs others AMF nodes
- One AMF object is serialized and sent as one message
- Serialization/deserialization of most objects is trivial (memcpy)
except for component and csi-attributes objects which have variable size
arrays/strings.
- Depth first AMF object tree traversal preserves relations when syncing
- Ordered lists of SUs and SIs
- Constructors/destructor per class
- Serializers/deserializers per class
- Config-change changes sync state
- Sync callbacks executes the sync
- "Use case" tracing for sync using the SYNCTRACE macro (trace6)
- Sync master is initially the winner of a timeout race and if the
master leaves the cluster, the node with the lowest node ID becomes new master.
- amf_malloc implements an AMF central malloc routine with error handling.
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- Most runtime attributes in the inf. model calculated in runtime from
more fundamental information. (improves consistency)
- sg_assign_si can now recalculate workloads considering existing
assignments
- Logging improvements, similar to what is required as notification in
AMF spec.
- CLC-CLI INSTANTIATE now exits aisexec when it fails (should later be
sent as an NTF alarm)
- CLC-CLI CLEANUP correctly handles already terminated processes
- testamf1.c printouts removed for normal operation
- Iterator functions for SI/CSI assignments
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- Revised cluster start
- Includes Steven's "amf invalid write patch"
- Includes "components not started with 0.76" patch
- New timer API use backed out of AMF (temporary)
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model). A central header file (amf.h) keeps all the definitions and
prototypes needed.
New things apart from that:
- some doxygen html generated from AMF e.g. each file has a description
- saAmfHAStateGet() now works
- component invoked healthchecks implemented (but not tested)
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- Use of Distinguished Names (DN) in API and multicast messages
- CSI resassignment properly handled (by using restarting state)
- State 'setter' functions with uniform printouts
- Simple 'assign SU to host' algorithm:
- based on saAmfSUHostedByNode config attribute
- see config file for example
- Debug print runtime attributes upon user request:
$ pkill -USR2 aisexec
- Object-oriented naming of functions started (but not finished)
- testamf1.c updated with some new tests
- Minor fix in print.h and print.c
- AMF can be started on two nodes (example config file needs
modification for this)
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SAI-Overview-B.02.01.pdf. Other AMF changes as specified in
SAI-AIS-AMF-B.02.01.
Summary:
- SA Forum B.02 Information model for AMF
- groups.conf renamed to amf.conf
- amf.conf syntax changed heavily to follow SA Forum specs.
- AMF works when daemon.
- linux lists removed from AMF
- component cmd environment variables support
- component argv support
- multi value csi attributes
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The AMF code doesn't detect invalid healthcheck keys and crashes when an
invalid healthcheck key is specified.
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