geo-replication failed on peer with OSError: [Errno 5] Input/output error

Issue

Traceback

[2016-12-07 16:44:54.377336] E [repce(/bricks/brick5):207:call] RepceClient: call 123914:139678469535552:1481129094.04 (entry_ops) failed on peer with OSError
[2016-12-07 16:44:54.377635] E [syncdutils(/bricks/brick5):276:log_raise_exception] : FAIL:
Traceback (most recent call last):
File "/usr/libexec/glusterfs/python/syncdaemon/gsyncd.py", line 201, in main
main_i()
File "/usr/libexec/glusterfs/python/syncdaemon/gsyncd.py", line 720, in main_i
local.service_loop(*[r for r in [remote] if r])
File "/usr/libexec/glusterfs/python/syncdaemon/resource.py", line 1504, in service_loop
g1.crawlwrap(oneshot=True, register_time=register_time)
File "/usr/libexec/glusterfs/python/syncdaemon/master.py", line 571, in crawlwrap
self.crawl()
File "/usr/libexec/glusterfs/python/syncdaemon/master.py", line 1282, in crawl
self.process([item[1]], 0)
File "/usr/libexec/glusterfs/python/syncdaemon/master.py", line 992, in process
self.process_change(change, done, retry)
File "/usr/libexec/glusterfs/python/syncdaemon/master.py", line 934, in process_change
failures = self.slave.server.entry_ops(entries)
File "/usr/libexec/glusterfs/python/syncdaemon/repce.py", line 226, in call
return self.ins(self.meth, *a)
File "/usr/libexec/glusterfs/python/syncdaemon/repce.py", line 208, in call
raise res
OSError: [Errno 5] Input/output error

=-=-=-=-=-=
It looks like the parent directory, .trashcan/internal_op//, is missing from the bricks:

$ grep -r ".trashcan/internal_op" *
bricks-brick15.log:[2016-12-05 18:27:26.249500] E [MSGID: 113018] [posix.c:2334:posix_rename] 0-XXXX-posix: pre-operation lstat on parent of /bricks/brick15/.trashcan/internal_op//C43.1 failed [No such file or directory]
bricks-brick15.log:[2016-12-05 18:27:26.263829] W [posix.c:1422:posix_mkdir] (-->/usr/lib64/glusterfs/3.7.9/xlator/storage/posix.so(posix_rename+0x820) [0x7f8f627d8660] -->/usr/lib64/glusterfs/3.7.9/xlator/features/trash.so(trash_unlink_rename_cbk+0x73e) [0x7f8f61f99bde] -->/usr/lib64/glusterfs/3.7.9/xlator/storage/posix.so(posix_mkdir+0x9ca) [0x7f8f627cbeda] ) 0-mrgglus2-posix: mkdir (/.trashcan/internal_op//C43.1): is issued without gfid-req 0x7f8f702fedd0 [Operation not permitted]