[Bugs] [Bug 1542475] New: Random failures in tests/bugs/nfs/bug-974972.t

[bugzilla at redhat.com]

https://bugzilla.redhat.com/show_bug.cgi?id=1542475

            Bug ID: 1542475
           Summary: Random failures in tests/bugs/nfs/bug-974972.t
           Product: GlusterFS
           Version: mainline
         Component: nfs
          Assignee: ksubrahm at redhat.com
          Reporter: ksubrahm at redhat.com
                CC: bugs at gluster.org



Description of problem:
Test case bug-974972.t is randomly failing with the below logs.

[2018-02-05 05:54:53.488934]:++++++++++ G_LOG:./bugs/nfs/bug-974972.t: TEST: 30
1 afr_child_up_status_in_nfs patchy 0 ++++++++++
[2018-02-05 05:54:54.541079]:++++++++++ G_LOG:./bugs/nfs/bug-974972.t: TEST: 31
1 afr_child_up_status_in_nfs patchy 1 ++++++++++
[2018-02-05 05:54:55.607606]:++++++++++ G_LOG:./bugs/nfs/bug-974972.t: TEST: 34
ls /mnt/nfs/0/1 ++++++++++
[2018-02-05 05:54:55.612783] W [MSGID: 108027]
[afr-common.c:2737:afr_discover_done] 0-patchy-replicate-0: no read subvols for
<gfid:ba721bb9-8a3c-44d6-8f26-4e591cafb246>
[2018-02-05 05:54:55.620246]:++++++++++ G_LOG:./bugs/nfs/bug-974972.t: TEST: 35
! cat /mnt/nfs/0/1 ++++++++++
[2018-02-05 05:54:55.623576] E [MSGID: 108008]
[afr-read-txn.c:90:afr_read_txn_refresh_done] 0-patchy-replicate-0: Failing
STAT on gfid ba721bb9-8a3c-44d6-8f26-4e591cafb246: split-brain observed.
[Input/output error]
[2018-02-05 05:54:55.624789] E [MSGID: 108008]
[afr-read-txn.c:90:afr_read_txn_refresh_done] 0-patchy-replicate-0: Failing
GETXATTR on gfid ba721bb9-8a3c-44d6-8f26-4e591cafb246: split-brain observed.
[Input/output error]
[2018-02-05 05:54:55.627529] W [MSGID: 108027]
[afr-common.c:2737:afr_discover_done] 0-patchy-replicate-0: no read subvols for
<gfid:ba721bb9-8a3c-44d6-8f26-4e591cafb246>
[2018-02-05 05:54:55.629329] E [MSGID: 108008]
[afr-read-txn.c:90:afr_read_txn_refresh_done] 0-patchy-replicate-0: Failing
STAT on gfid ba721bb9-8a3c-44d6-8f26-4e591cafb246: split-brain observed.
[Input/output error]
[2018-02-05 05:54:55.629382] W [MSGID: 112199]
[nfs3-helpers.c:3414:nfs3_log_common_res] 0-nfs-nfsv3:
<gfid:ba721bb9-8a3c-44d6-8f26-4e591cafb246> => (XID: 445d2a50, GETATTR: NFS:
5(I/O error), POSIX: 5(Input/output error))
[2018-02-05 05:54:55.635471] I [MSGID: 108026]
[afr-self-heal-metadata.c:52:__afr_selfheal_metadata_do] 0-patchy-replicate-0:
performing metadata selfheal on ba721bb9-8a3c-44d6-8f26-4e591cafb246
[2018-02-05 05:54:55.637240] E [MSGID: 108008]
[afr-read-txn.c:90:afr_read_txn_refresh_done] 0-patchy-replicate-0: Failing
ACCESS on gfid ba721bb9-8a3c-44d6-8f26-4e591cafb246: split-brain observed.
[Input/output error]
[2018-02-05 05:54:55.638991] E [MSGID: 108008]
[afr-read-txn.c:90:afr_read_txn_refresh_done] 0-patchy-replicate-0: Failing
GETXATTR on gfid ba721bb9-8a3c-44d6-8f26-4e591cafb246: split-brain observed.
[Input/output error]
[2018-02-05 05:54:55.648613] I [MSGID: 108026]
[afr-self-heal-common.c:1656:afr_log_selfheal] 0-patchy-replicate-0: Completed
metadata selfheal on ba721bb9-8a3c-44d6-8f26-4e591cafb246. sources=[0]  sinks=1 
[2018-02-05 05:54:55.665468] I [MSGID: 108026]
[afr-self-heal-common.c:1656:afr_log_selfheal] 0-patchy-replicate-0: Completed
data selfheal on ba721bb9-8a3c-44d6-8f26-4e591cafb246. sources=[1]  sinks=0 

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


How reproducible:

Steps to Reproduce:
1.
2.
3.

Actual results:
Read on a split-brain file is allowed.

Expected results:
Read on a split-brain file should fail.

Additional info:

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