Posted on Wed 19 December 2018 in ovirt • Tagged with ovirt, rhev, rev, redhat • 1 min read
Dec 18 15:37:45 rhev06rn vdsm[3145]: ERROR ssl handshake: SSLError, address: ::ffff:10.12.11.88
Dec 18 15:37:45 rhev06rn vdsm[3145]: WARN unhandled write event
/etc/vdsm/vdsm.conf
[vars]
#ssl_excludes = OP_NO_TLSv1,OP_NO_TLSv1_1
ssl = true
[addresses]
management_port = 54321
Posted on Tue 18 December 2018 in Linux • Tagged with suse, caas, kubernetes, linux, notepad • 1 min read
linux-q0sf:~ # cat /var/lib/misc/infra-secrets/mariadb-root-password
eVSf9Ss/HFa4Rj68ymzhmVsHvhdV6i5aqUpXuboMGRdwo1SVnysDd/wg0De+9FJymdBsJLdmYsdU
linux-q0sf:~ # docker exec -ti d72182149834 bash
bash-4.3# mysql -u root -p
Enter password:
Welcome to the MariaDB monitor. Commands end with ; or \g.
Your MariaDB connection id is 18
Server version: 10.0.34-MariaDB SLE …Posted on Thu 20 September 2018 in Ceph • Tagged with ceph, crush, linux, notepad, code • 1 min read
Version 1: keep it simple
$ ceph osd df | awk '{ print "osd."$1, "size: "$5, "usage: " $8 }' | sort -nk5
OSDs can be listed twice - depends on the crushmap.
Version 2: json + python
$ ceph osd df tree -f json | python sort_hdd_osds.py
osd.28 utilization: 15.278888
osd.15 utilization: 19.700484 …Posted on Wed 04 July 2018 in Ceph • Tagged with bluestore, ceph, ceph-ansible, LVM, linux, notepad, howto • 2 min read
Not sure why...but i've found a strange ceph-volume behavior with lvm and filestore.
ceph-volume lvm list shows the wrong osd id while the affected osd is online with a another id.
$ mount | grep ceph-2
/dev/mapper/vg00-datalv1 on /var/lib/ceph/osd/ceph-2 type xfs (rw,relatime,seclabel,attr2 …Posted on Thu 12 April 2018 in Linux • Tagged with selinux, linux • 1 min read
$ matchpathcon /tftpboot
/tftpboot system_u:object_r:tftpdir_t:s0
$ semanage fcontext -a -t tftpdir_rw_t "/srv/tftp(/.*)?"
$ restorecon -Rv /srv/tftp
Posted on Wed 28 February 2018 in Ceph • Tagged with ansible, ceph, Linux, Openstack • 1 min read
tested with v3.0.26
group_vars/all.yml
monitor_interface: eth1
radosgw_interface: eth1
public_network: 10.20.30.0/24
cluster_network: 192.168.121.0/24
ceph_conf_overrides:
osd:
osd scrub during recovery: false
ceph_docker_image: "ceph/daemon"
ceph_docker_image_tag: latest
ceph_docker_registry: 10.20.30.1:5000
containerized_deployment: true
group_vars/osds.yml
crush_location: true
osd_crush_location …Posted on Thu 07 December 2017 in openstack • Tagged with ceph, Openstack, suse cloud, SUSE Linux Enterprise Server, cinder, notepad, linux • 1 min read
I've found the root cause for the missing cinder key on the computes.
chef-client output - without any files:
[2017-11-30T09:37:33+01:00] INFO: Processing package[ceph-common] action install (nova::ceph line 50)
[2017-11-30T09:37:33+01:00] INFO: Ceph configuration file is …Posted on Wed 06 December 2017 in ovirt • Tagged with ovirt, RHEV, notepad, linux • 1 min read
Query locked elements:
PGPASSWORD=password /usr/share/ovirt-engine/setup/dbutils/unlock_entity.sh -d engine -u engine -t [all|disk|vm|template] -q
Remove lock:
PGPASSWORD=password /usr/share/ovirt-engine/setup/dbutils/unlock_entity.sh -d engine -u engine -t [all|disk|vm|template] -r
Posted on Wed 06 December 2017 in ovirt • Tagged with KVM, ovirt, RHEV, rev, branding, redhat • 1 min read
Step 1 - create a custom folder in /etc/ovirt-engine/branding
[root@rev1 branding]# ll
total 0
lrwxrwxrwx. 1 [..] 00-ovirt.brand -> /usr/share/ovirt-engine/branding/ovirt.brand
lrwxrwxrwx. 1 [..] 50-rhev-2.brand -> /usr/share/ovirt-engine/branding/rhev-2.brand
drwxr-xr-x. 3 [..] 99-custom.brand
Step 2 - copy your layout and create …
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.driver [instance: c5618826 …