http://tracker.ceph.com/projects/ceph/wiki/Benchmark_Ceph_Cluster_Performance
https://telekomcloud.github.io/ceph/2014/02/26/ceph-performance-analysis_fio_rbd.html
http://forum.proxmox.com/threads/21551-Ceph-Bad-performance-in-qemu-guests
Monat: Juli 2015
calamari-ctl initialize > [..] ImportError: No module named _io
to fix:
mv /opt/calamari/venv/local/bin/python /opt/calamari/venv/local/bin/pythonOLD
cp /usr/bin/python2.7 /opt/calamari/venv/local/bin/python
build ceph monitoring dashboard (calamari) DEB packages
http://calamari.readthedocs.org/en/latest/development/building_packages.html
https://marcosmamorim.wordpress.com/2014/07/11/build-package-and-install-calamari-on-debian-weezy/
http://karan-mj.blogspot.fi/2014/09/ceph-calamari-survival-guide.html
new Client Version (Romana):
https://github.com/ceph/romana
repository
deb http://download.ceph.com/calamari/devel/trusty/ trusty main
python-txamqp: http://packages.ubuntu.com/trusty/all/python-txamqp/download
qemu vnc passwort für laufende VM ändern/setzen
Login auf blade
sudo su
virsh list (ID der VM)
virsh
qemu-monitor-command ID –hmp change vnc password PASSWORD
quit
syslog: /usr/sbin/irqbalance: irq XXX affinity_hint subset empty
irqbalance >= 1.0.6-3
/etc/default/irqbalance :
OPTIONS=“–hintpolicy=ignore“
/etc/init.d/irqbalance restart