Summary: cpd: to correct failover behavior of cpsv [#1765]
Review request for Trac Ticket(s): 1765
Peer Reviewer(s): [email protected]; [email protected]
Pull request to: [email protected]
Affected branch(es): default
Development branch: default

--------------------------------
Impacted area       Impact y/n
--------------------------------
 Docs                    n
 Build system            n
 RPM/packaging           n
 Configuration files     n
 Startup scripts         n
 SAF services            y
 OpenSAF services        n
 Core libraries          n
 Samples                 n
 Tests                   n
 Other                   n


Comments (indicate scope for each "y" above):
---------------------------------------------
Rebase source code to newest folder structure
Remove unexpected trace LOC compared to V3

changeset 8d393cacd64e5e5dcc32ad6d6a456871b33a3f4c
Author: Hoang Vo <[email protected]>
Date:   Thu, 19 Jan 2017 14:50:18 +0700

        cpd: to correct failover behavior of cpsv [#1765]

        problem: In case a failover happens while a checkpoint is being 
unlinked, it
        might causes an unfinished unlink operation (i.e the checkpoint IMM 
object
        is not deleted). Later on, when the checkpoint is created again, it 
will not
        succeed because the CPD detects that the checkpoint IMM object existing.

        Fix:
        - When error occur delete the existing checkpoint IMM object and 
re-create new
        one.
        - Stop timer of removed node.
        - Update data in patricia trees.


Complete diffstat:
------------------
 src/ckpt/ckptd/cpd_db.c     |  15 +++++++++++++++
 src/ckpt/ckptd/cpd_evt.c    |  12 ++++++++----
 src/ckpt/ckptd/cpd_proc.c   |  18 ++++++++++++++++--
 src/ckpt/ckptnd/cpnd_evt.c  |   3 ++-
 src/ckpt/ckptnd/cpnd_proc.c |  12 +++++++++---
 5 files changed, 50 insertions(+), 10 deletions(-)


Testing Commands:
-----------------
Create checkpoint and set retention to big value Failover by killing osafamfd 2 
times
Check checkpoint information

Testing, Expected Results:
--------------------------
Checkpoint information is not change

Conditions of Submission:
-------------------------
ACK from maintainer

Arch      Built     Started    Linux distro
-------------------------------------------
mips        n          n
mips64      n          n
x86         n          n
x86_64      y          y
powerpc     n          n
powerpc64   n          n


Reviewer Checklist:
-------------------
[Submitters: make sure that your review doesn't trigger any checkmarks!]


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