Removing an object

Use the ceph-objectstore-tool utility to remove an object. By removing an object, its contents and references are removed from the placement group (PG).

Before you begin

Before you begin, make sure that you have the following prerequisites in place:
  • Root-level access to the Ceph OSD node.
  • Stopping the ceph-osd daemon.

About this task

Important: You cannot recreate an object after it is removed.

Procedure

  1. Log in to the OSD container.
    cephadm shell --name osd.OSD_ID
    For example,
    [root@host01 ~]# cephadm shell --name osd.0
  2. Remove an object.
    ceph-objectstore-tool --data-path PATH_TO_OSD --pgid PG_ID \
OBJECT \
remove
    For example,
    [ceph: root@host01 /]# ceph-objectstore-tool --data-path /var/lib/ceph/osd/ceph-0 --pgid 0.1c \
'{"oid":"zone_info.default","key":"","snapid":-2,"hash":235010478,"max":0,"pool":11,"namespace":""}' \
remove