Hi all. Quick question about osd metadata information. I have several OSDs
setup with the data dir on HDD and the db going to a partition on ssd. But
when I look at the metadata for all the OSDs, it's showing the db as "hdd".
Does this effect anything? And is there anyway to change it?
$ sudo ceph osd metadata 1
{
"id": 1,
"arch": "x86_64",
"back_addr": "<removed>:6805/2053608",
"back_iface": "eth0",
"bluefs": "1",
"bluefs_db_access_mode": "blk",
"bluefs_db_block_size": "4096",
"bluefs_db_dev": "8:80",
"bluefs_db_dev_node": "sdf",
"bluefs_db_driver": "KernelDevice",
"bluefs_db_model": "PERC H730 Mini ",
"bluefs_db_partition_path": "/dev/sdf2",
"bluefs_db_rotational": "1",
"bluefs_db_size": "266287972352",
* "bluefs_db_type": "hdd",*
"bluefs_single_shared_device": "0",
"bluefs_slow_access_mode": "blk",
"bluefs_slow_block_size": "4096",
"bluefs_slow_dev": "253:1",
"bluefs_slow_dev_node": "dm-1",
"bluefs_slow_driver": "KernelDevice",
"bluefs_slow_model": "",
"bluefs_slow_partition_path": "/dev/dm-1",
"bluefs_slow_rotational": "1",
"bluefs_slow_size": "6000601989120",
"bluefs_slow_type": "hdd",
"bluestore_bdev_access_mode": "blk",
"bluestore_bdev_block_size": "4096",
"bluestore_bdev_dev": "253:1",
"bluestore_bdev_dev_node": "dm-1",
"bluestore_bdev_driver": "KernelDevice",
"bluestore_bdev_model": "",
"bluestore_bdev_partition_path": "/dev/dm-1",
"bluestore_bdev_rotational": "1",
"bluestore_bdev_size": "6000601989120",
"bluestore_bdev_type": "hdd",
"ceph_version": "ceph version 12.2.4
(52085d5249a80c5f5121a76d6288429f35e4e77b) luminous (stable)",
"cpu": "Intel(R) Xeon(R) CPU E5-2680 v4 @ 2.40GHz",
"default_device_class": "hdd",
"distro": "centos",
"distro_description": "CentOS Linux 7 (Core)",
"distro_version": "7",
"front_addr": "<removed>:6804/2053608",
"front_iface": "eth0",
"hb_back_addr": "<removed>.78:6806/2053608",
"hb_front_addr": "<removed>.78:6807/2053608",
"hostname": "ceph0rdi-osd2-1-xrd.eng.sfdc.net",
"journal_rotational": "1",
"kernel_description": "#1 SMP Tue Jun 26 16:32:21 UTC 2018",
"kernel_version": "3.10.0-862.6.3.el7.x86_64",
"mem_swap_kb": "0",
"mem_total_kb": "131743604",
"os": "Linux",
"osd_data": "/var/lib/ceph/osd/ceph-1",
"osd_objectstore": "bluestore",
"rotational": "1"
}
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