[Bugs] [Bug 1260512] fuse client crashed during i/o

[bugzilla at redhat.com]

https://bugzilla.redhat.com/show_bug.cgi?id=1260512

Susant Kumar Palai <spalai at redhat.com> changed:

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                 CC|                            |spalai at redhat.com



--- Comment #4 from Susant Kumar Palai <spalai at redhat.com> ---
Some insight in to the problem and possible steps to reproduce the bug in
non-tier volume:

If a brick is full beyond cluster.min-free-disk, a create call will create a
linkto file on that brick and real data file will be created in some other
brick.

Now any failure to create that linkto file e.g a possible network or brick down
scenario will crash the client process.

Possible steps (May need gdb to absolutely create the bug):

say cluster.min-free-disk is 90%

1. Fill one of the brick more than 10%
2. Now find a file which hashes to this brick.
3. Issue create call. The brick should be brought down exactly when the linkto
file creation request comes to the brick.

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