Migrate RADOS Gateway index pool to new disk class
Issue
- How to migrate Red Hat Ceph Storage, RADOS Gateway (rgw) index pool from one group of disks to new ones for performance improvement?
- How to move the Rados Gateway index pool from legacy spindle disks to SSD or NVMe disks allowing better I/O performance and improving response by locating the it on a faster disk?
Environment
- Red Hat Ceph Storage 4.x
- Red Hat Ceph Storage 3.x
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