libdlm-dev 3.0.12-2ubuntu6 (i386 binary) in ubuntu precise

 This package is part of the Red Hat Cluster Suite, a complete
 high-availability solution.
 .
 DLM is a symmetric general-purpose distributed lock manager. It is
 used for example by GFS and the distributed volume manager.
 .
 This package contains the files needed for developing applications
 that use the lock manager.