I tried to reproduce this issue on 4 nodes using threads .
1)I created Asynchronous collocated checkpoint on all 4 nodes.
2)Active replica is set on Sc-1 and 1000 sections are created on sc-1 by using
threads.
3)On the remaining nodes, i created 1000 sections on each node by using threads
.
4)I observed that sections are created with SA_AIS_OK and i didnt get any error
mentioned in the issue.
I asked about CPD ansd CPND traces but no one shared.
So, i dont have any source to further investigate.
I am closing the ticket now.
Please reopen the ticket with traces and syslog.
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** [tickets:#239] cpsv : section create returns ERR_EXIST after few try agains
on 70 node cluster**
**Status:** assigned
**Milestone:** 5.18.09
**Created:** Thu May 16, 2013 06:19 AM UTC by A V Mahesh (AVM)
**Last Updated:** Wed Sep 26, 2018 06:43 AM UTC
**Owner:** Mohan Kanakam
>From http://devel.opensaf.org/ticket/3042
This is seen on 70 SLES VM setup. One checkpoint application runs on each node.
1) Checkpoint Application on active controller creates an asynchronous
collocated checkpoint. The applications on other nodes open the same checkpoint
2) Replica is set active on active controller and section is created
3) Section create API returns TRY_AGAIN few times and returns ERR_EXIST.
When application gets try again, the section should not be created in the
checkpoint. This is always not reproducible.
snippet from test journal:
520|0 15 00130961 1 21| FAILED : Section 11 created in active colloc ckpt
520|0 15 00130961 1 22| Return Value : SA_AIS_ERR_TRY_AGAIN
520|0 15 00130961 1 23|
520|0 15 00130961 1 24| Try again count : 8
520|0 15 00130961 1 25|
520|0 15 00130961 1 26| FAILED : Section 11 created in active colloc ckpt
520|0 15 00130961 1 27| Return Value : SA_AIS_ERR_EXIST
Attaching CPD and CPND traces of both the controllers
---
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