Are the "lvmlockd" and "LVM-activate" resource agents supported with pacemaker on RHEL 7?

Solution Verified - Updated

Environment

  • Red Hat Enterprise Linux Server 7 (with the High Availability Add On)

Issue

  • Are the lvmlockd and LVM-activate resource agents supported with pacemaker on RHEL 7?

Resolution

The lvmlockd and LVM-activate resources are made available as technology preview on RHEL 7. As this is a Technical Preview software in these resource agents are not fully supported in RHEL 7.

Red Hat Enterprise Linux 7

There is currently no public documentation on how to configure these resources for RHEL 7 and lvmlockd and LVM-activate are technology preview (and not fully supported on RHEL 7). For more information see: Support Policies for RHEL High Availability Clusters - LVM in a Cluster

Limitations with

lvmlockd
For more information see the man page for lvmlockd. This is not an exhaustive list as there might be use cases that are not below.

  • Using external origins for thin LVs.
  • Splitting snapshots from LVs,
  • Splitting mirrors in sanlock VGs.
  • pvmove of entire PVs, or under LVs activated with shared locks.
  • vgsplit and vgmerge (convert to a local VG to do this).
  • Using cmirror.
SBR
Product(s)
Components
Category
Tags

This solution is part of Red Hat’s fast-track publication program, providing a huge library of solutions that Red Hat engineers have created while supporting our customers. To give you the knowledge you need the instant it becomes available, these articles may be presented in a raw and unedited form.