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Ceph Barclamp from SOC7 is not discovering available drives that are detected as removable block device.

This document (7022844) is provided subject to the disclaimer at the end of this document.

Environment

SUSE Cloud 7
SUSE Linux Enterprise Server 12 Service Pack 2 (SLES 12 SP2)

Situation

When trying to setup a Ceph cluster from SOC7 using the Ceph Barclamp, the error message similar to "Nodes Node1, Node2 and Node3 for ceph-osd role are missing at least one unclaimed disk larger than 20GB" appears at the top of the page. The "Disk Drives" is also shown as "Unknown".

Resolution

The official patch that enables SOC7 to recognize removable block devices is now available.
The release notes for this patch is as follows:
https://download.suse.com/Download?buildid=d8UehQ6uBWU~
  - ohai: Correct aacraid drivers disk removable flag (bsc#1085170)

Cause

If a disk drive is detected as a "removable" block device, it will be excluded and cannot be used by OSD.

Additional Information

The following log messages are seen in "/var/log/crowbar/production.log":
W, [2018-03-06T11:43:04.300379 #32375:0x00000008bea098]  WARN -- Nodes Node1, Node2 and Node3 for ceph-osd role are missing at least one unclaimed disk larger than 20GB.
I, [2018-03-06T11:43:04.468768 #32375:0x00000008bea098]  INFO -- validation errors in proposal ceph

Disclaimer

This Support Knowledgebase provides a valuable tool for NetIQ/Novell/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:7022844
  • Creation Date:12-APR-18
  • Modified Date:01-JUL-18
    • NovellSUSE OpenStack Cloud
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