glusterfs version: 3.12.2-18.el7rhgs.x86_64
As this issue is not reproduced and there are no specific steps to reproduce this issue, followed below test suggested by Dev to verify this fix on RHGS systems.
1) Created 510 gluster volumes.
2) Enabled brick mux.
3) In a loop, done gluster v stop $i; gluster v start $i.
Result: Bricks processes are online for all the volumes.
Hence, moving this BZ to Verified.
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.
https://access.redhat.com/errata/RHSA-2018:2607