[Bugs] [Bug 1452141] New: distribute: log flooded with "invalid argument: loc-> parent" warnings

[bugzilla at redhat.com]

https://bugzilla.redhat.com/show_bug.cgi?id=1452141

            Bug ID: 1452141
           Summary: distribute: log flooded with "invalid argument:
                    loc->parent" warnings
           Product: GlusterFS
           Version: 3.11
         Component: distribute
          Assignee: bugs at gluster.org
          Reporter: kkeithle at redhat.com
                CC: bugs at gluster.org



Description of problem:

RHEL7, glusterfs-3.11.0rc0, nfs-ganesha-2.5rc6.

four brick distribute volume:

  Volume Name: havol
  Type: Distribute
  Volume ID: 19964194-2871-4ef6-a4f3-702217dc1096
  Status: Started
  Snapshot Count: 0
  Number of Bricks: 4
  Transport-type: tcp
  Bricks:
  Brick1: rhs-vm-134.gdev.lab.eng.bos.redhat.com:/home/bricks/ha/brick
  Brick2: rhs-vm-135.gdev.lab.eng.bos.redhat.com:/home/bricks/ha/brick
  Brick3: rhs-vm-136.gdev.lab.eng.bos.redhat.com:/home/bricks/ha/brick
  Brick4: rhs-vm-137.gdev.lab.eng.bos.redhat.com:/home/bricks/ha/brick
  Options Reconfigured:
  features.cache-invalidation: off
  transport.address-family: inet
  nfs.disable: on

every file create though ganesha/gfapi results in two such warnings.

every ls (uncached) results in three warnings:


  [2017-05-18 12:24:53.980155] E [dht-helper.c:617:dht_subvol_get_hashed]
(-->/usr/lib64/glusterfs/3.11.0rc0/xlator/cluster/distribute.so(+0x6702c)
[0x7fb94fdd702c]
-->/usr/lib64/glusterfs/3.11.0rc0/xlator/cluster/distribute.so(+0x8fd9)
[0x7fb94fd78fd9]
-->/usr/lib64/glusterfs/3.11.0rc0/xlator/cluster/distribute.so(+0x8ca8)
[0x7fb94fd78ca8] ) 0-havol-dht: invalid argument: loc->parent [Invalid
argument]
  [2017-05-18 12:24:53.981349] E [dht-helper.c:617:dht_subvol_get_hashed]
(-->/usr/lib64/glusterfs/3.11.0rc0/xlator/cluster/distribute.so(+0x3d05f)
[0x7fb94fdad05f]
-->/usr/lib64/glusterfs/3.11.0rc0/xlator/cluster/distribute.so(+0x8fd9)
[0x7fb94fd78fd9]
-->/usr/lib64/glusterfs/3.11.0rc0/xlator/cluster/distribute.so(+0x8ca8)
[0x7fb94fd78ca8] ) 0-havol-dht: invalid argument: loc->parent [Invalid
argument]
  [2017-05-18 12:24:53.982926] E [dht-helper.c:617:dht_subvol_get_hashed]
(-->/usr/lib64/glusterfs/3.11.0rc0/xlator/cluster/distribute.so(+0x3d05f)
[0x7fb94fdad05f]
-->/usr/lib64/glusterfs/3.11.0rc0/xlator/cluster/distribute.so(+0x8fd9)
[0x7fb94fd78fd9]
-->/usr/lib64/glusterfs/3.11.0rc0/xlator/cluster/distribute.so(+0x8ca8)
[0x7fb94fd78ca8] ) 0-havol-dht: invalid argument: loc->parent [Invalid
argument]


Also just the initial connection via gfapi results in this warning:
  [2017-05-18 12:15:58.046020] I [MSGID: 109063]
[dht-layout.c:713:dht_layout_normalize] 0-havol-dht: Found anomalies in
/.trashcan (gfid = 00000000-0000-0000-0000-000000000005). Holes=1 overlaps=0



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