Thanks for your reply Eugen. I’m fairly new to cephadm so I wasn’t
aware that we could manage the drives without rebuilding them.
However, we thought we’d take advantage of this opportunity to also
encrypt the drives, and that does require a rebuild.
I have a theory on why the orchestrator is confused. I want to
create an osd service for each osd node so I can manage drives on a
per-node basis.
I started by creating a spec for the first node:
service_type: osd
service_id: ceph-osd31
placement:
hosts:
- ceph-osd31
spec:
data_devices:
rotational: 0
size: '3TB:'
encrypted: true
filter_logic: AND
objectstore: bluestore
But I also see a default spec, “osd”, which has placement set to “unmanaged”.
`ceph orch ls osd —export` shows the following:
service_type: osd
service_name: osd
unmanaged: true
spec:
filter_logic: AND
objectstore: bluestore
---
service_type: osd
service_id: ceph-osd31
service_name: osd.ceph-osd31
placement:
hosts:
- ceph-osd31
spec:
data_devices:
rotational: 0
size: '3TB:'
encrypted: true
filter_logic: AND
objectstore: bluestore
`ceph orch ls osd` shows that I was able to convert 4 drives using my spec:
NAME PORTS RUNNING REFRESHED AGE PLACEMENT
osd 95 10m ago - <unmanaged>
osd.ceph-osd31 4 10m ago 43m ceph-osd31
Despite being able to convert 4 drives, I’m wondering if these specs
are conflicting with one another, and that has confused the
orchestrator. If so, how do I safely get from where I am now to
where I want to be? :-)
Cheers,
/rjg
On Sep 26, 2024, at 3:31 PM, Eugen Block <eblock@xxxxxx> wrote:
EXTERNAL EMAIL | USE CAUTION
Hi,
this seems a bit unnecessary to rebuild OSDs just to get them managed.
If you apply a spec file that targets your hosts/OSDs, they will
appear as managed. So when you would need to replace a drive, you
could already utilize the orchestrator to remove and zap the drive.
That works just fine.
How to get out of your current situation is not entirely clear to me
yet. I’ll reread your post tomorrow.
Regards,
Eugen
Zitat von Bob Gibson <rjg@xxxxxxxxxx>:
Hi,
We recently converted a legacy cluster running Quincy v17.2.7 to
cephadm. The conversion went smoothly and left all osds unmanaged by
the orchestrator as expected. We’re now in the process of converting
the osds to be managed by the orchestrator. We successfully
converted a few of them, but then the orchestrator somehow got
confused. `ceph health detail` reports a “stray daemon” for the osd
we’re trying to convert, and the orchestrator is unable to refresh
its device list so it doesn’t see any available devices.
From the perspective of the osd node, the osd has been wiped and is
ready to be reinstalled. We’ve also rebooted the node for good
measure. `ceph osd tree` shows that the osd has been destroyed, but
the orchestrator won’t reinstall it because it thinks the device is
still active. The orchestrator device information is stale, but
we’re unable to refresh it. The usual recommended workaround of
failing over the mgr hasn’t helped. We’ve also tried `ceph orch
device ls —refresh` to no avail. In fact after running that command
subsequent runs of `ceph orch device ls` produce no output until the
mgr is failed over again.
Is there a way to force the orchestrator to refresh its list of
devices when in this state? If not, can anyone offer any suggestions
on how to fix this problem?
Cheers,
/rjg
P.S. Some additional information in case it’s helpful...
We’re using the following command to replace existing devices so
that they’re managed by the orchestrator:
```
ceph orch osd rm <osd> --replace —zap
```
and we’re currently stuck on osd 88.
```
ceph health detail
HEALTH_WARN 1 stray daemon(s) not managed by cephadm
[WRN] CEPHADM_STRAY_DAEMON: 1 stray daemon(s) not managed by cephadm
stray daemon osd.88 on host ceph-osd31 not managed by cephadm
```
`ceph osd tree` shows that the osd has been destroyed and is ready
to be replaced:
```
ceph osd tree-from ceph-osd31
ID CLASS WEIGHT TYPE NAME STATUS REWEIGHT PRI-AFF
-46 34.93088 host ceph-osd31
84 ssd 3.49309 osd.84 up 1.00000 1.00000
85 ssd 3.49309 osd.85 up 1.00000 1.00000
86 ssd 3.49309 osd.86 up 1.00000 1.00000
87 ssd 3.49309 osd.87 up 1.00000 1.00000
88 ssd 3.49309 osd.88 destroyed 0 1.00000
89 ssd 3.49309 osd.89 up 1.00000 1.00000
90 ssd 3.49309 osd.90 up 1.00000 1.00000
91 ssd 3.49309 osd.91 up 1.00000 1.00000
92 ssd 3.49309 osd.92 up 1.00000 1.00000
93 ssd 3.49309 osd.93 up 1.00000 1.00000
```
The cephadm log shows a claim on node `ceph-osd31` for that osd:
```
2024-09-25T14:15:45.699348-0400 mgr.ceph-mon3.qzjgws [INF] Found osd
claims -> {'ceph-osd31': ['88']}
2024-09-25T14:15:45.699534-0400 mgr.ceph-mon3.qzjgws [INF] Found osd
claims for drivegroup ceph-osd31 -> {'ceph-osd31': ['88']}
```
`ceph orch device ls` shows that the device list isn’t refreshing:
```
ceph orch device ls ceph-osd31
HOST PATH TYPE DEVICE ID
SIZE AVAILABLE REFRESHED REJECT REASONS
ceph-osd31 /dev/sdc ssd INTEL_SSDSC2KG038T8_PHYG039603PE3P8EGN
3576G No 22h ago Insufficient space (<10 extents) on
vgs, LVM detected, locked
ceph-osd31 /dev/sdd ssd INTEL_SSDSC2KG038T8_PHYG039600AY3P8EGN
3576G No 22h ago Insufficient space (<10 extents) on
vgs, LVM detected, locked
ceph-osd31 /dev/sde ssd INTEL_SSDSC2KG038T8_PHYG039600CW3P8EGN
3576G No 22h ago Insufficient space (<10 extents) on
vgs, LVM detected, locked
ceph-osd31 /dev/sdf ssd INTEL_SSDSC2KG038T8_PHYG039600CM3P8EGN
3576G No 22h ago Insufficient space (<10 extents) on
vgs, LVM detected, locked
ceph-osd31 /dev/sdg ssd INTEL_SSDSC2KG038T8_PHYG039600UB3P8EGN
3576G No 22h ago Insufficient space (<10 extents) on
vgs, LVM detected, locked
ceph-osd31 /dev/sdh ssd INTEL_SSDSC2KG038T8_PHYG039603753P8EGN
3576G No 22h ago Insufficient space (<10 extents) on
vgs, LVM detected, locked
ceph-osd31 /dev/sdi ssd INTEL_SSDSC2KG038T8_PHYG039603R63P8EGN
3576G No 22h ago Insufficient space (<10 extents) on
vgs, LVM detected, locked
ceph-osd31 /dev/sdj ssd INTEL_SSDSC2KG038TZ_PHYJ4011032M3P8DGN
3576G No 22h ago Insufficient space (<10 extents) on
vgs, LVM detected, locked
ceph-osd31 /dev/sdk ssd INTEL_SSDSC2KG038TZ_PHYJ3234010J3P8DGN
3576G No 22h ago Insufficient space (<10 extents) on
vgs, LVM detected, locked
ceph-osd31 /dev/sdl ssd INTEL_SSDSC2KG038T8_PHYG039603NS3P8EGN
3576G No 22h ago Insufficient space (<10 extents) on
vgs, LVM detected, locked
```
`ceph node ls` thinks the osd still exists
```
ceph node ls osd | jq -r '."ceph-osd31"'
[
84,
85,
86,
87,
88, <— this shouldn’t exist
89,
90,
91,
92,
93
]
```
Each osd node has 10x 3.8 TB ssd drives for osds. On `ceph-osd31`,
cephadm doesn’t see osd.88 as expected:
```
cephadm ls --no-detail
[
{
"style": "cephadm:v1",
"name": "osd.93",
"fsid": "9b3b3539-59a9-4338-8bab-3badfab6e855",
"systemd_unit": "ceph-9b3b3539-59a9-4338-8bab-3badfab6e855@osd.93"
},
{
"style": "cephadm:v1",
"name": "osd.85",
"fsid": "9b3b3539-59a9-4338-8bab-3badfab6e855",
"systemd_unit": "ceph-9b3b3539-59a9-4338-8bab-3badfab6e855@osd.85"
},
{
"style": "cephadm:v1",
"name": "osd.90",
"fsid": "9b3b3539-59a9-4338-8bab-3badfab6e855",
"systemd_unit": "ceph-9b3b3539-59a9-4338-8bab-3badfab6e855@osd.90"
},
{
"style": "cephadm:v1",
"name": "osd.92",
"fsid": "9b3b3539-59a9-4338-8bab-3badfab6e855",
"systemd_unit": "ceph-9b3b3539-59a9-4338-8bab-3badfab6e855@osd.92"
},
{
"style": "cephadm:v1",
"name": "osd.89",
"fsid": "9b3b3539-59a9-4338-8bab-3badfab6e855",
"systemd_unit": "ceph-9b3b3539-59a9-4338-8bab-3badfab6e855@osd.89"
},
{
"style": "cephadm:v1",
"name": "osd.87",
"fsid": "9b3b3539-59a9-4338-8bab-3badfab6e855",
"systemd_unit": "ceph-9b3b3539-59a9-4338-8bab-3badfab6e855@osd.87"
},
{
"style": "cephadm:v1",
"name": "osd.86",
"fsid": "9b3b3539-59a9-4338-8bab-3badfab6e855",
"systemd_unit": "ceph-9b3b3539-59a9-4338-8bab-3badfab6e855@osd.86"
},
{
"style": "cephadm:v1",
"name": "osd.84",
"fsid": "9b3b3539-59a9-4338-8bab-3badfab6e855",
"systemd_unit": "ceph-9b3b3539-59a9-4338-8bab-3badfab6e855@osd.84"
},
{
"style": "cephadm:v1",
"name": "osd.91",
"fsid": "9b3b3539-59a9-4338-8bab-3badfab6e855",
"systemd_unit": "ceph-9b3b3539-59a9-4338-8bab-3badfab6e855@osd.91"
}
]
```
`lsblk` shows that `/dev/sdg` has been wiped.
```
NAME
MAJ:MIN RM SIZE RO TYPE MOUNTPOINT
sda
8:0 0 223.6G 0 disk
|-sda1
8:1 0 94M 0 part
`-sda2
8:2 0 223.5G 0 part
`-md0
9:0 0 223.4G 0 raid1 /
sdb
8:16 0 223.6G 0 disk
|-sdb1
8:17 0 94M 0 part
`-sdb2
8:18 0 223.5G 0 part
`-md0
9:0 0 223.4G 0 raid1 /
sdc
8:32 1 3.5T 0 disk
`-ceph--03782b4c--9faa--49f5--b554--98e7b8515834-osd--block--ba272724--daa6--45f5--9f69--789cc0bda077 253:3 0 3.5T
lvm
`-keCkP2-o6h8-jKkw-RKiD-UBFf-A8EL-JDJGPR
253:9 0 3.5T 0 crypt
sdd
8:48 1 3.5T 0 disk
`-ceph--c07907d8--4a75--4ba3--b5e1--2ebf49ecbdf6-osd--block--58d1d50d--6228--4e6f--9a52--2a305ba00700 253:7 0 3.5T
lvm
`-WB8Mxn-qCHI-4T01-imiG-hNBR-by60-YuxgfD
253:11 0 3.5T 0 crypt
sde
8:64 1 3.5T 0 disk
`-ceph--6f9d4df4--7ce6--44a4--a7b1--62c85af8cfe0-osd--block--aabcb30d--0084--490a--969b--78f7af6e94da 253:8 0 3.5T
lvm
`-g9qErH-vTXY-JQbs-eh61-W0Mn-TAV8-gof4zy
253:12 0 3.5T 0 crypt
sdf
8:80 1 3.5T 0 disk
`-ceph--d6b728f8--e365--46db--b30f--6c00805c752b-osd--block--88426db7--2322--4807--ac2e--b49929e170d6 253:6 0 3.5T
lvm
`-LNG2gB-pa0w-gl2v-hVQ3-6qTd-aXsR-Lenri3
253:10 0 3.5T 0 crypt
sdg
8:96 1 3.5T 0 disk
sdh
8:112 1 3.5T 0 disk
`-ceph--de2cfee6--8e0a--4aa0--9e6b--90c09025768c-osd--block--a3b86251--2799--4243--a857--f218fa90f29a 253:2 0 3.5T
lvm
sdi
8:128 1 3.5T 0 disk
`-ceph--30dee450--0fdd--46ea--9eec--6a4c7706df9c-osd--block--bfc090db--dde4--47dd--a1c9--1cd838ea43b3 253:4 0 3.5T
lvm
sdj
8:144 1 3.5T 0 disk
`-ceph--78febcf5--43f4--4820--8dc7--0f6c22816c9f-osd--block--da1e69c7--6427--4562--8290--90bcb9526747 253:0 0 3.5T
lvm
sdk
8:160 1 3.5T 0 disk
`-ceph--fe210281--b1f5--4d5e--9ab0--2f226612af00-osd--block--6bb9f308--e853--4303--83ea--553c3a3513e1 253:1 0 3.5T
lvm
sdl
8:176 1 3.5T 0 disk
`-ceph--9f21c916--f211--4d1b--8214--6ad1cecac810-osd--block--572d850c--c201--4af4--ac42--0ed2a6ed73ed 253:5 0 3.5T
lvm
```
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