Gluster brick process hangs due to lvm volume group extend failure

Issue

• LVM volume group failed to extend with error "open failed: Too many open files" in /var/log/messages file.

  May 25 08:58:57 lvm[3898]: Failed to extend thin vg_vgs-thin_aa-tpool.
  May 25 08:59:07 lvm[3898]: /var/lock/lvm/V_vg_vgs: open failed: Too many open files
  May 25 08:59:07 lvm[3898]: Can't get lock for vg_vgs