11.3. Configuring LVM to recognize the DRBD resource

11.3. Configuring LVM to recognize the DRBD resource
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GFS uses CLVM, the cluster-aware version of LVM, to manage block devices to be used by GFS. In order to use CLVM with DRBD, ensure that your LVM configuration

uses clustered locking. To do this, set the following option in /etc/lvm/lvm.conf:

locking_type = 3

scans your DRBD devices to recognize DRBD-based Physical Volumes (PVs). This applies as to conventional (non-clustered) LVM; see Section 10.4, “Configuring a DRBD resource as a Physical Volume” for details.

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11.2. Creating a DRBD resource suitable for GFS	Home	11.4. Configuring your cluster to support GFS