Use the ceph-objectstore-tool utility to list object
attributes.
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
The output provides you with the object’s keys and values.
Procedure
- Verify that the appropriate OSD is down.
systemctl status ceph-osd@OSD_ID
For
example,
[root@host01 ~]# systemctl status ceph-osd@1
- Log in to the OSD container.
cephadm shell --name osd.OSD_ID
For
example,
[root@host01 ~]# cephadm shell --name osd.0
- List the object attributes.
ceph-objectstore-tool --data-path PATH_TO_OSD \
--pgid PG_ID OBJECT \
list-attrs
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":""}' \
list-attrs