DRBD resource is in Diskless state

This document (000020335) is provided subject to the disclaimer at the end of this document.


SUSE Linux Enterprise High Availability Extension 12
SUSE Linux Enterprise High Availability Extension 15


DRBD status reports a resource's disk is in Diskless state:
sles_server1:~ # drbdadm status usrsaptranssapcarpets
usrsaptranssapcarpets role:Primary
sles_server2 role:Secondary

sles_server2:~ # drbdadm status usrsaptranssapcarpets
usrsaptranssapcarpets role:Secondary
sles_server1 role:Primary


On the node that reports "disk:Diskless" state run:
drbdadm attach usrsaptranssapcarpets

which attaches the local backing block device to the DRBD resource's device.
Verify with:
drbdadm status

The resource should report UpToDate on both nodes.


Diskless means the resource has never attached to its backing device.
It might have been manually detached using drbdadm detach, or that it automatically 
detached after a lower-level I/O error.


This Support Knowledgebase provides a valuable tool for SUSE customers and parties interested in our products and solutions to acquire information, ideas and learn from one another. Materials are provided for informational, personal or non-commercial use within your organization and are presented "AS IS" WITHOUT WARRANTY OF ANY KIND.

  • Document ID:000020335
  • Creation Date: 16-Jul-2021
  • Modified Date:16-Jul-2021
    • SUSE Linux Enterprise High Availability Extension

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