Booting the server which has LVM cache enabled using kernel 3.10.0-229 hangs on server reboot?

Solution Unverified - Updated -

Issue

  • After upgrading from RHEL-7.0 to RHEL-7.1 with dm-cache enabled, there appears to be some issue with running new LVM cache feature dm-cache with new RHEL 7.1 kernel version: 3.10.0-229.
  • After upgrade, booting the server which has LVM cache enabled using kernel 3.10.0-229 hangs on server reboot.
  Could not format metadata for VG vg01.
  Update of lvmetad failed. This is a serious problem.
  It is strongly recommended that you restart lvmetad immediately.
  Internal error: LV vg01/lv_cachedisk has uknown feature flags 0.
  Could not format metadata for VG vg01.
  Update of lvmetad failed. This is a serious problem.
  It is strongly recommended that you restart lvmetad immediately.
  Internal error: LV vg01/lv_cachedisk has uknown feature flags 0.
  Could not format metadata for VG vg01.
  Update of lvmetad failed. This is a serious problem.
  It is strongly recommended that you restart lvmetad immediately.

Environment

  • Red Hat Enterprise Linux 7.0
  • Red Hat Enterprise Linux 7.1

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