I have tried below scenario for 4 times and i didn't hit this issue
Steps to Reproduce:
1. create a brick mux setup
2. create about 30 1x3 volumes
3. start the volumes
4. pump IOs to the base volume and another volume(i created an extra ecvol for this)
5.now kill a brick say b1
6. use volume force start of any volume(some vol in higher ascending order say vol15 or vol20 ...and not the base volume)
Build version: -gluster-3.12.2-7
Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.
For information on the advisory, and where to find the updated
files, follow the link below.
If the solution does not work for you, open a new bug report.