The software described in this documentation is either in Extended Support or Sustaining Support. See https://www.oracle.com/us/support/library/enterprise-linux-support-policies-069172.pdf for more information.
Oracle recommends that you upgrade the software described by this documentation as soon as possible.
Define a cgroup that denies access to the disk devices
/dev/sd[bcd]
.
mount { devices = /cgroup/devlist; } group blkdev { devices { # Deny access to /dev/sdb devices.deny="b 8:16 mrw"; # Deny access to /dev/sdc devices.deny="b 8:32 mrw"; # Deny access to /dev/sdd devices.deny="b 8:48 mrw"; } }