FlashArray Volume Groups: Advanced QoS for OpenStack at Scale

Managing multi-tenant OpenStack storage at scale requires enforcing predictable performance boundaries without creating administrative overhead. Traditional per-volume QoS doesn’t scale—you can’t effectively manage thousands of individual policies across hundreds of tenants. Pure Storage FlashArray volume groups solve this by implementing tenant-level QoS at the storage layer. Combined with OpenStack quotas, they provide precise control over […]

The Shocking Truth About OpenStack Cinder QoS Limitations

If you operate OpenStack seriously, block storage performance is not an afterthought.It is a contract — between users, the scheduler, and the storage backend. And yet, if you try to automate OpenStack Cinder QoS with Ansible today, you quickly run into an uncomfortable truth: Ansible does not support Cinder QoS specs. This is not a […]