hope it helps: https://docs.clyso.com/blog/ceph-osd-migrate-db-to-larger-ssd-flash-device/ joachim.kraftmayer@clyso.com www.clyso.com Hohenzollernstr. 27, 80801 Munich Utting | HR: Augsburg | HRB: 25866 | USt. ID-Nr.: DE275430677 Am Do., 15. Jan. 2026 um 15:26 Uhr schrieb Burkhard Linke via ceph-users < ceph-users@ceph.io>:
Hi,
On 1/15/26 15:12, lejeczek via ceph-users wrote:
Hi guys.
I do not suppose this happens in often - it's a lab in my case - when disks sizes, which Ceph uses increase. Is there a procedure - or howto/method if such thing is not approved/recommended - to have Ceph make use of such added disk space?
You can use the ceph-bluestore-tool to resize OSD _DB_ partitions, not sure whether it also supports resizing the actual data partition.
If in doubt the probably better method is draining the OSD, remove it and recreate it afterwards.
Best regards,
Burkhard
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