Design document drafts

• Design for a X509 Certificate Authority
  • Current state and shortcomings
  • Proposed changes
  • Software requirements
  • Code samples
• Design for replacing Ganeti’s HTTP server
  • Current state and shortcomings
  • Proposed changes
• Design for import/export version 2
  • Current state and shortcomings
  • Proposed changes
  • The big picture for instance moves
  • HTTP resources on source
  • Code samples
  • Backwards compatibility
  • Notes
  • Performance considerations
  • Other considered solutions
• Resource model changes
  • Introduction
  • Current situation
  • Proposed architecture
• Management of storage types and disk templates, incl. storage space reporting
  • Background
  • Proposed changes
• GlusterFS Ganeti support
  • Gluster overview
  • Implementation strategy
  • Future work
• Huge Pages Support for Ganeti
  • Current State and Shortcomings:
  • Proposed Changes:
  • Hypervisor Parameters:
  • Memory Pools:
  • iAllocator Changes:
  • hbal Changes:
• RADOS/Ceph support in Ganeti
  • Objective
  • Background
  • Qemu/KVM Direct RBD Integration
  • Ceph configuration on Ganeti nodes
• Ganeti OS installation redesign
  • Current state and shortcomings
  • Proposed changes
  • Implementation
  • Alternatives to design and implementation
• Instance move improvements
  • The performance of Ganeti moves
  • Zeroing instance disks
  • Lock reduction
  • Introduction of changes
• Improvements of Node Security
  • Objective
  • Detailed design
• Design for adding ifdown script to KVM
  • Current state and shortcomings
  • Proposed Changes
  • Implementation Details
• Improving location awareness of Ganeti
  • Current state and shortcomings
  • Proposed changes
  • Additional migration restrictions
• Instance Reservations
  • Current state and shortcomings
  • Proposed changes
• DRBD Sync Rate Throttling
  • Objective
  • Configuration
  • Semantics
  • Architecture
• Network Management (revised)
  • Current state and shortcomings
  • Proposed changes
  • Configuration changes
  • Exported variables
  • Backwards Compatibility
• Removal of the Config Lock Overhead
  • Current state and shortcomings
  • Proposed changes for an incremental improvement
  • Approaches considered, but not working
• HTools support for multiple storage units per node
  • Current state and shortcomings
  • Proposed changes
• N+1 redundancy for shared storage
  • Current state and shortcomings
  • Proposed changes
• Disks
  • Current state and shortcomings
  • Proposed changes
  • Design decisions