Awesome! I had no idea that's where this was pulling it from! However...
Both of the SSDs do have rotational set to 0 :(
root@ceph05:/sys/block# cat sd{r,s}/queue/rotational
0
0
I found a line in cephadm.log that also agrees; this one is from docker:
"sys_api": {
"removable": "0",
"ro": "0",
"vendor": "HITACHI",
"model": "HUSSL4020BSS600",
"rev": "A120",
"sas_address": "0x5000cca0132441de",
"sas_device_handle": "0x0021",
"support_discard": "0",
"rotational": "0",
"nr_requests": "256",
"scheduler_mode": "mq-deadline",
"partitions": {},
"sectors": 0,
"sectorsize": "512",
"size": 200049647616.0,
"human_readable_size": "186.31 GB",
"path": "/dev/sdr",
"locked": 0
},
lsscsi -twigs output:
[4:0:15:0] disk sas:0x5000cca0132441de 0
/dev/sdr SHITACHI_HUSSL4020BSS600_XTVMY4KA /dev/sg19
200GB
[4:0:16:0] disk sas:0x5000cca013243b96 0
/dev/sds SHITACHI_HUSSL4020BSS600_XTVMXRLA /dev/sg20
200GB
This is interesting, too. Just a bit down in the docker line in cephadm,
there's an empty array for rejected reasons:
"available": true,
"rejected_reasons": [],
"device_id": "HUSSL4020BSS600_5000cca0132441dc",
"lvs": []
I wonder what's causing this! Surely there's a reason hiding in here
somewhere.
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