[Bugs] [Bug 1807497] New: Insufficient available children for this request (have 0, need 4) FOP : 'XATTROP' failed / Input/output error

[bugzilla at redhat.com]

https://bugzilla.redhat.com/show_bug.cgi?id=1807497

            Bug ID: 1807497
           Summary: Insufficient available children for this request (have
                    0, need 4) FOP : 'XATTROP' failed / Input/output error
           Product: GlusterFS
           Version: 7
          Hardware: x86_64
                OS: Linux
            Status: NEW
         Component: disperse
          Severity: medium
          Assignee: bugs at gluster.org
          Reporter: m at maltris.org
                CC: bugs at gluster.org
  Target Milestone: ---
    Classification: Community



Description of problem:

Since a full cluster restart of a cluster with a 4+2 dispersed volume, one
specific folder in a tree returns "Input/output error" upon actions on it
(attr, stat etc.)

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

7.2

How reproducible:

unknown so far

Actual results:

Input/output error upon access of specific directory. (Subfolders are
accessible and writeable.)

[2020-02-26 13:34:25.655587] W [fuse-bridge.c:1593:fuse_setattr_cbk]
0-glusterfs-fuse: 31181032: SETATTR() /folder/subfolder/subfolder/subfolder =>
-1 (Input/output error)
The message "W [MSGID: 122040] [ec-common.c:1219:ec_prepare_update_cbk]
0-vol-disperse-0: Failed to get size and version :  FOP : 'XATTROP' failed on
'/folder/subfolder/subfolder/subfolder' with gfid
ac35b34e-b15c-4e33-af74-1e0ffed884e8 [Input/output error]" repeated 25 times
between [2020-02-26 13:32:31.695731] and [2020-02-26 13:34:25.655565]
The message "E [MSGID: 122034] [ec-common.c:706:ec_child_select]
0-vol-disperse-0: Insufficient available children for this request (have 0,
need 4). FOP : 'XATTROP' failed on '/folder/subfolder/subfolder/subfolder' with
gfid ac35b34e-b15c-4e33-af74-1e0ffed884e8" repeated 25 times between
[2020-02-26 13:32:31.695801] and [2020-02-26 13:34:25.655633]
The message "E [MSGID: 122037] [ec-common.c:2275:ec_update_size_version_done]
0-vol-disperse-0: Failed to update version and size. FOP : 'XATTROP' failed on
'/folder/subfolder/subfolder/subfolder' with gfid
ac35b34e-b15c-4e33-af74-1e0ffed884e8 [Input/output error]" repeated 25 times
between [2020-02-26 13:32:31.695811] and [2020-02-26 13:34:25.655636]
[2020-02-26 13:34:41.161466] W [MSGID: 122040]
[ec-common.c:1219:ec_prepare_update_cbk] 0-vol-disperse-0: Failed to get size
and version :  FOP : 'XATTROP' failed on
'/folder/subfolder/subfolder/subfolder' with gfid
ac35b34e-b15c-4e33-af74-1e0ffed884e8 [Input/output error]
[2020-02-26 13:34:41.161532] W [fuse-bridge.c:1593:fuse_setattr_cbk]
0-glusterfs-fuse: 31187575: SETATTR() /folder/subfolder/subfolder/subfolder =>
-1 (Input/output error)

Expected results:

No log messages and no Input/output errors upon access of specific directory.

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