Ceph: Throttling down or up backfill and recovery and rebalance.

Updated -

When one adds or removes OSD's (disks) in a Ceph Cluster, the CRUSH algorithm will rebalance the cluster by moving placement groups to or from Ceph OSD's to restore balance. The process of migrating placement groups and the objects they contain can reduce the cluster’s operational performance considerably. To maintain operational performance, Ceph performs this migration with backfilli...

Subscriber exclusive content

A Red Hat subscription provides unlimited access to our knowledgebase, tools, and much more.

Current Customers and Partners

Log in for full access

Log In

New to Red Hat?

Learn more about Red Hat subscriptions

Using a Red Hat product through a public cloud?

How to access this content