[Bugs] [Bug 1224077] Directories are missing on the mount point after attaching tier to distribute replicate volume.

[bugzilla at redhat.com]

https://bugzilla.redhat.com/show_bug.cgi?id=1224077



--- Comment #5 from nchilaka <nchilaka at redhat.com> ---
Ran the below testcases:
1)
created a dist-rep volume and started it.
Mounted the volume from NFS and fuse on two different machines.
Started I/Os- downloading of kernel and creating 100s of directories
attached a pure distribute tier. 
Observations:
saw that the directories were getting created on all bricks of both hot and
cold tier-as expected
changed one dir permission- was reflected on the bricks -as expected


Tested on EC volumes too. The directories took some time to get reflected on
all cold and hot tier bricks.



Some observations:
=================
1)saw that as soon as i attached tier the afr self heal deamon was not showing
up anymore on vol status.
Bug 1231144 - Data Tiering; Self heal deamon stops showing up in "vol status"
once attach tier is done 

2)saw that while creating folders continuosly, I hit the following errors
[root at rhs-client40 distrep2]# for i in {100..10000}; do mkdir nag.$i;sleep
1;done
mkdir: cannot create directory ‘nag.171’: No such file or directory
mkdir: cannot create directory ‘nag.172’: No such file or directory
mkdir: cannot create directory ‘nag.173’: No such file or directory
mkdir: cannot create directory ‘nag.174’: Structure needs cleaning
mkdir: cannot create directory ‘nag.175’: Structure needs cleaning
mkdir: cannot create directory ‘nag.176’: Structure needs cleaning
^[^[^C


THis was a glusterfs mount


But it was not reproducible. Will raise a bug if i see it again(as the
directories existed both on mount and brick points)

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