Ceph - Bluestore values for bluestore_min_alloc_size_hdd and bluestore_min_alloc_size_ssd change

Solution Verified - Updated -

Issue

  • What does bluestore_min_alloc_size_hdd and bluestore_min_alloc_size_ssd means?
  • How to best determine bluestore_min_alloc_size_hdd and bluestore_min_alloc_size_ssd value for our environment? Can these values be changed dynamically?
  • How to find the actual value of Bluestore min_alloc_size for a running OSD?

Environment

  • Red Hat Ceph Storage 3.2 and newer
  • Red Hat Ceph Storage 4.x
  • Red Hat Ceph Storage 5.x
  • Red Hat Ceph Storage 6.x
  • Red Hat Ceph Storage 7.x
  • Red Hat Openshift Data Foundation 4.12

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