SUSE Cloud - missing cinder key on computes

Posted on Fri 17 November 2017 in openstack • Tagged with ceph, Openstack, suse cloud, SUSE Linux Enterprise Server, cinder, notepad, linux • 1 min read

2017-11-01 14:30:53.970 27835 ERROR nova.virt.libvirt.driver [instance: c5618826-98cb-4fd6-9d6f-b8899bd320b7] libvirtError: Secret not found: no secret with matching uuid '5b7c1b36-
9093-4a13-b14d-da8b8cbdd8a6'
2017-11-01 14:30:53.970 27835 ERROR nova.virt.libvirt …

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SUSE Openstack Cloud - debugging sleshammer

Posted on Fri 10 November 2017 in openstack • Tagged with Openstack, suse cloud, SUSE Linux Enterprise Server, cinder, notepad, linux • 1 min read

Slug: suse-openstack-cloud-debugging-sleshammer Status: published

To get a login shell during the discovery and [before]{.underline} the nfs is mounted:

Add the DISCOVERY_ROOT_PASSWORD parameter

root@admin:~ # crowbarctl proposal edit provisioner default
{
  "id": "provisioner-default",
  "description": "Created on Thu, 09 Nov 2017 15:43:20 +0100",
  "attributes": {
    "provisioner": {
[...]
      "discovery": {
        "append": "DISCOVERY_ROOT_PASSWORD=replace-with-your-password"
      }
[...]
    }
}
root …

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chrony - adjust time manually

Posted on Fri 22 September 2017 in Linux • Tagged with chrony, Linux, Notepad, Work • 1 min read

$ chronyc -m "password $( awk '{ print $2 }' /etc/chrony/chrony.keys  )" makestep

openstack kolla - docker dependency tree

Posted on Thu 29 June 2017 in openstack • Tagged with openstack, kolla, linux, notepad • 1 min read

kolla dependency tree created via 

# kolla-build --save-dependency /tmp/kolla-dependency -p fullbuild

ceph metasearch – elasticsearch backend - part 2

Posted on Thu 27 April 2017 in Ceph • Tagged with ceph, elasticsearch, radosgw, howto, linux, notepad, work • 2 min read

ceph-kraken

requirements

  • ceph cluster (kraken release)
  • elasticsearch

The rgw syncer is only used/triggered in multisite configurations - so we need to setup a second zone for the metasearch.

environment / settings
export rgwhost="192.168.122.80"
export elastichost="192.168.122.71"
export realm="demo"
export zonegrp="zone-1"
export 1zone="zone1-a …

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ceph radosgw (set)lifecycle - AWS v4 is broken

Posted on Wed 26 April 2017 in Ceph • Tagged with ceph, elasticsearch, radosgw, howto, linux, notepad, work • 1 min read

First - s3cmd config
Setting signature_v2 = true is not enough! You have to set --signature-v2 as a parameter.

Second - 'Prefix' tag
You have specify a Prefix tag - and yes with a captial P!

without prefix tag
<LifecycleConfiguration>
    <Rule>
        <ID>ExampleRule</ID>
    <Status>Enabled</Status>
        <Expiration>
             <Days>1</Days>
        </Expiration>
    </Rule>
</LifecycleConfiguration …

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ceph metasearch - elasticsearch backend

Posted on Fri 21 April 2017 in Ceph • Tagged with ceph, elasticsearch, radosgw, howto, linux, notepad, work • 1 min read

ceph-kraken

Fetch zonegroup configuration (json struct)
# radosgw-admin zonegroup get > /tmp/zonegroup.json

change the tier_type to elasticsearch

Import the configuration
# radosgw-admin zonegroup set --infile /tmp/zonegroup.json
Fetch zone configuration (json struct)
# radosgw-admin zone get > /tmp/zone.json

Add the following parameter endpoint & {url} for the section tier_config

    "tier_config": [
        {
            "key": "endpoint …

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Fixing ceph partition uuid or OSD data dir is not mounted

Posted on Mon 06 February 2017 in Ceph • Tagged with ceph, linux, notepad, work • 1 min read

OSD_UUID

4fbd7e29-9d25-41b8-afd0-062c0ceff05d

JOURNAL_UUID

45b0969e-9b03-4f30-b4c6-b4b80ceff106

To fix the partition uuid

sgdisk --info=##partnr## -t ##partnr##:##part-uuid## /dev/##disk##

eg.
sgdisk --info=1 -t 1:4fbd7e29-9d25-41b8-afd0-062c0ceff05d /dev/sda1

Ref: /lib/udev/rules.d/95-ceph-osd.rules


Openstack Manila with CephFS as backend [notepad]

Posted on Thu 22 December 2016 in openstack • Tagged with ceph, Openstack, linux, notepad, work • 1 min read

openstack-manila-cephfs


ceph - setting up rbd-mirror between two ceph clusters

Posted on Sat 15 October 2016 in Ceph • Tagged with ceph, rbdmirror, howto, linux, notepad, work • 3 min read

Environment
2x ceph cluster (aio) running centos 7.2 /w ceph jewel. Added a 2nd crush rule to both clusters:

rule rep_osd {
    ruleset 1
    type replicated
    min_size 1
    max_size 10
    step take default
    step choose firstn 0 type osd
    step emit
}

(ceph crush map)

Setup

Install the rbd-mirror package in …


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