- **status**: accepted --> review
---
** [tickets:#1377] imm: IMM deletes object with NO_DANGLING reference**
**Status:** review
**Milestone:** 4.5.2
**Created:** Fri May 29, 2015 08:45 AM UTC by Zoran Milinkovic
**Last Updated:** Fri May 29, 2015 10:42 AM UTC
**Owner:** Hung Nguyen
In a certain case with bidirectional references between objects, IMM is able to
delete object with NO_DANGLING reference from another object.
- Case 1: IMM worked as expected and rejected the deletion
<pre>
SC-1:~ # immcfg -c TestClass testClassId=1
SC-1:~ # immcfg
> immcfg -c TestClass -a reference="testClassId=1" testClassId=2
> immcfg -a reference="testClassId=2" testClassId=1
>(Ctrl+D)
{Note that the above object-create and object-modify have to occur in the same
CCB.
This is to simulate the actions when creating objects with bidirectional
associations}
SC-1:~ # immcfg -d testClassId=2
error - saImmOmCcbApply FAILED: SA_AIS_ERR_FAILED_OPERATION (21)
SC-1:~ # immcfg -d testClassId=1
error - saImmOmCcbApply FAILED: SA_AIS_ERR_FAILED_OPERATION (21)
SC-1:~ #
</pre>
*syslog messages*
..........
May 27 04:01:48 SC-1 osafimmnd[4671]: ER ERR_FAILED_OPERATION: Delete of object
testClassId=2 would violate NO_DANGLING reference from object testClassId=1,
not scheduled for delete by this Ccb:58
May 27 04:01:48 SC-1 osafimmnd[4671]: NO Ccb 58 ABORTED (immcfg_SC-1_13712)
May 27 04:01:51 SC-1 osafimmnd[4671]: ER ERR_FAILED_OPERATION: Delete of object
testClassId=1 would violate NO_DANGLING reference from object testClassId=2,
not scheduled for delete by this Ccb:59
May 27 04:01:51 SC-1 osafimmnd[4671]: NO Ccb 59 ABORTED (immcfg_SC-1_13715)
..........
- Case 2: IMM worked unexpectedly and approved the deletion
<pre>
SC-1:~ # immcfg -c TestClass testClassId=2
SC-1:~ # immcfg
> immcfg -c TestClass -a reference="testClassId=2" testClassId=1
> immcfg -a reference="testClassId=1" testClassId=2
> (Ctrl+D)
{Note that the above object-create and object-modify have to occur in the same
CCB.
This is to simulate the actions when creating objects with bidirectional
associations}
SC-1:~ # immcfg -d testClassId=1
SC-1:~ # immfind | grep testClass
testClassId=2
SC-1:~ #
</pre>
*syslog messages*
..........
May 27 04:20:58 SC-1 osafimmnd[4671]: NO Ccb 73 COMMITTED (immcfg_SC-1_14511)
..........
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