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.

2.1.1 dm-cache support

UEK R4 provides support for the dm-cache device mapper target although this feature is considered experimental and might not be suitable for production systems. (Bug ID 19611720)

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