Hi,
For testing purpose we need to deploy :
- 1 pool of 6 SSD OSD
- 1 pool of 6 HDD OSD
- 1 pool of 6 HDD OSD with 2 SSD for DB+WAL
I tried to orch apply this yaml but it doesn't work as expected
Osd part of the yaml ->
service_type: osd
service_id: osd_spec
placement:
hosts:
- host1
- host2
- host3
- host4
- host5
- host6
data_devices:
paths:
- /dev/sda
- /dev/sdc
spec:
data_devices:
all: true
filter_logic: AND
objectstore: bluestore
---
service_type: osd
service_id: osd_spec_wall
placement:
hosts:
- host1
- host2
- host3
- host4
- host5
- host6
spec:
data_devices:
paths:
- /dev/sdf
db_devices:
paths:
- /dev/sde
limit: 2
db_slots: 3
Only 1 db on /dev/sde from host1 has been created and this OSD showed up as
half full at his creation:
ceph osd df | grep 25
25 hdd 0.63669 1.00000 652 GiB 373 GiB 1.5 MiB 1 KiB 38 MiB 279
GiB 57.15 35.93 0 up
ceph-volume lvm list
====== osd.25 ======
[block]
/dev/ceph-23d9297a-d0e1-47be-8650-5c8ccae4fe0e/osd-block-2f009760-fc2b-46d5-984d-e8200dfd9d9d
block device
/dev/ceph-23d9297a-d0e1-47be-8650-5c8ccae4fe0e/osd-block-2f009760-fc2b-46d5-984d-e8200dfd9d9d
block uuid vqJGf8-V5g0-S1cA-BAcN-Qm9D-9VTx-xsc8wk
cephx lockbox secret
cluster fsid id
cluster name ceph
crush device class
db device
/dev/ceph-9c39b87c-a39c-413f-b1ef-07881195fcb8/osd-db-feee5095-b5e7-47a0-ae87-8e5039512661
db uuid Rtj5KA-Qxjk-IFmY-3ffQ-gSAu-Snte-uku8HC
encrypted 0
osd fsid 2f009760-fc2b-46d5-984d-e8200dfd9d9d
osd id 25
osdspec affinity osd_spec_wall
type block
vdo 0
with tpm 0
devices /dev/sdf
[db]
/dev/ceph-9c39b87c-a39c-413f-b1ef-07881195fcb8/osd-db-feee5095-b5e7-47a0-ae87-8e5039512661
block device
/dev/ceph-23d9297a-d0e1-47be-8650-5c8ccae4fe0e/osd-block-2f009760-fc2b-46d5-984d-e8200dfd9d9d
block uuid vqJGf8-V5g0-S1cA-BAcN-Qm9D-9VTx-xsc8wk
cephx lockbox secret
cluster fsid id
cluster name ceph
crush device class
db device
/dev/ceph-9c39b87c-a39c-413f-b1ef-07881195fcb8/osd-db-feee5095-b5e7-47a0-ae87-8e5039512661
db uuid Rtj5KA-Qxjk-IFmY-3ffQ-gSAu-Snte-uku8HC
encrypted 0
osd fsid 2f009760-fc2b-46d5-984d-e8200dfd9d9d
osd id 25
osdspec affinity osd_spec_wall
type db
vdo 0
with tpm 0
devices /dev/sde
The other /dev/sde device did show up as data_device instead of db_device
(example here on host2) :
ceph-volume lvm list
====== osd.17 ======
[block]
/dev/ceph-629f98b0-5ed4-4e75-81b9-e85ca76afb15/osd-block-5d43d683-1f7f-4dc1-935e-6a79745252f9
block device
/dev/ceph-629f98b0-5ed4-4e75-81b9-e85ca76afb15/osd-block-5d43d683-1f7f-4dc1-935e-6a79745252f9
block uuid HQpp1l-x7IB-kA2W-6gWO-BGlM-VN2k-vYf43R
cephx lockbox secret
cluster fsid id
cluster name ceph
crush device class
encrypted 0
osd fsid 5d43d683-1f7f-4dc1-935e-6a79745252f9
osd id 17
osdspec affinity osd_spec
type block
vdo 0
with tpm 0
devices /dev/sde
Thx for your help
Vivien
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