[Bugs] [Bug 1341474] [geo-rep]: Snapshot creation having geo-rep session is broken

bugzilla at redhat.com bugzilla at redhat.com
Wed Jun 1 07:22:10 UTC 2016


https://bugzilla.redhat.com/show_bug.cgi?id=1341474

Kotresh HR <khiremat at redhat.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Version|3.7.11                      |mainline
            Summary|[geo-rep]: Snapshot         |[geo-rep]: Snapshot
                   |creation having geo-rep     |creation having geo-rep
                   |session is broken with      |session is broken
                   |latest build                |



--- Comment #1 from Kotresh HR <khiremat at redhat.com> ---
Description of problem:
=======================
Snapshot creation on geo-rep setup is broken. Pre-requisite for creating
snapshot on volume having geo-rep session is to pause the session. But
currently it fails with pre-validation as it is unable to find the session
file.

[root at dhcp37-162 po_10.70.37.116_shifu]# gluster volume geo-replication po
10.70.37.116::shifu statu

MASTER NODE     MASTER VOL    MASTER BRICK      SLAVE USER    SLAVE            
     SLAVE NODE    STATUS    CRAWL STATUS    LAST_SYNCED          
---------------------------------------------------------------------------------------------------------------------------------------
10.70.37.162    po            /rhs/brick1/b1    root         
10.70.37.116::shifu    N/A           Paused    N/A             N/A              
10.70.37.162    po            /rhs/brick2/b3    root         
10.70.37.116::shifu    N/A           Paused    N/A             N/A              
10.70.37.40     po            /rhs/brick1/b2    root         
10.70.37.116::shifu    N/A           Paused    N/A             N/A              
10.70.37.40     po            /rhs/brick2/b4    root         
10.70.37.116::shifu    N/A           Paused    N/A             N/A              
[root at dhcp37-162 po_10.70.37.116_shifu]# gluster snapshot create snapping po
snapshot create: failed: Commit failed on localhost. Please check log file for
details.
Snapshot command failed
[root at dhcp37-162 po_10.70.37.116_shifu]# 

Log Snippet:
============

[2016-05-31 19:27:37.217512] E [MSGID: 106122]
[glusterd-mgmt.c:879:glusterd_mgmt_v3_pre_validate] 0-management: Pre
Validation failed for operation Snapshot on local node
[2016-05-31 19:27:37.217532] E [MSGID: 106122]
[glusterd-mgmt.c:2224:glusterd_mgmt_v3_initiate_snap_phases] 0-management: Pre
Validation Failed
[2016-05-31 19:27:55.330021] I [MSGID: 106327]
[glusterd-geo-rep.c:4223:glusterd_read_status_file] 0-management: Using passed
config
template(/var/lib/glusterd/geo-replication/po_10.70.37.116_shifu/gsyncd.conf).
[2016-05-31 19:28:08.114302] E [MSGID: 106029]
[glusterd-snapshot.c:539:glusterd_copy_geo_rep_session_files] 0-management:
Session files not present in
/var/lib/glusterd/geo-replication/po_10.70.37.116_shifu:92ef80bb-09f1-4d87-81ec-5f687522d866
[No such file or directory]
[2016-05-31 19:28:08.114401] E [MSGID: 106029]
[glusterd-snapshot.c:747:glusterd_copy_geo_rep_files] 0-management: Failed to
copy files related to session
po_10.70.37.116_shifu:92ef80bb-09f1-4d87-81ec-5f687522d866
[2016-05-31 19:28:08.114435] E [MSGID: 106031]
[glusterd-snapshot.c:5261:glusterd_do_snap_vol] 0-management: Failed to copy
geo-rep config and status files for volume po
[2016-05-31 19:28:08.114491] E [MSGID: 106033]
[glusterd-store.c:1715:glusterd_store_delete_volume] 0-management: Failed to
rename volume directory for volume ddf9e75881d8425bac3a33d79f89361e [No such
file or directory]
[2016-05-31 19:28:08.114522] W [MSGID: 106071]
[glusterd-snapshot.c:3081:glusterd_snap_volume_remove] 0-management: Failed to
remove volume ddf9e75881d8425bac3a33d79f89361e from store
[2016-05-31 19:28:08.114561] W [MSGID: 106030]
[glusterd-snapshot.c:6797:glusterd_snapshot_create_commit] 0-management: taking
the snapshot of the volume po failed
[2016-05-31 19:28:08.114824] E [MSGID: 106030]
[glusterd-snapshot.c:8154:glusterd_snapshot] 0-management: Failed to create
snapshot
[2016-05-31 19:28:08.114857] W [MSGID: 106123]
[glusterd-mgmt.c:272:gd_mgmt_v3_commit_fn] 0-management: Snapshot Commit Failed
[2016-05-31 19:28:08.114878] E [MSGID: 106123]
[glusterd-mgmt.c:1414:glusterd_mgmt_v3_commit] 0-management: Commit failed for
operation Snapshot on local node
[2016-05-31 19:28:08.114897] E [MSGID: 106123]
[glusterd-mgmt.c:2285:glusterd_mgmt_v3_initiate_snap_phases] 0-management:
Commit Op Failed
[2016-05-31 19:28:08.251945] I [MSGID: 106057]
[glusterd-snapshot.c:6240:glusterd_do_snap_cleanup] 0-management: Snapshot
(snapping_GMT-2016.05.31-19.28.03) does not exist [Invalid argument]



Version-Release number of selected component (if applicable):
=============================================================



How reproducible:
=================
Always

Steps to Reproduce:
===================
1. Create Master and Slave volume
2. Create geo-rep session between them
3. Pause the geo-rep session
4. Create snapshot of master

Actual results:
===============
Snapshot creation fails

Expected results:
=================
Snapshot creation should succeed.

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