The cinder manage command it’s only for independent rbd volumes. However, manage an already-managed volumes is allow by the api and there’re not exception raised. When you try to manage an already-managed volume, you received an unhandled error: ‘UnboundLocalError: local variable ‘rbd_image’ referenced before assignment’ How to reproduce: 1)Create a volume: ‘cinder create 1 –name vol1’… Read More Working in my first RBD bug
Today is OpenStack birthday! We met at Red Hat Arg, share experiences and a fun chat.
The idea is help you get familiar with what cinder can do and how rbd makes it happen and what it looks like on the backend. Create a volume Create a snapshot Create a volume from a snapshot Create a volume from another volume
Originally posted on Python Conquers The Universe:
As a programmer, one of the first things that you need for serious program development is a debugger. Python has a debugger, which is available as a module called pdb (for “Python DeBugger”, naturally!). Unfortunately, most discussions of pdb are not very useful to a Python newbie —…
I realized if I have to write more about my work, I’ll have to throw around a lot of jargon and it’s not really fun if you haven’t yet had proper introduction to memory management terms or it’s been a while and you have trouble recollecting them. This post talks very briefly about some of […]… Read More Memory management