On Tue, 3 Jul 2018, Rick Chen wrote:
> HI Sage:
>
> We have an issue about SAS disk device. From the below message, the smartctl
> succeed to get device smart information that include device information and
> temperature. But we use ceph osd get smart <osd.id>, it response empty
> dictionary.
>
> The device base information and temperature can help to predict device
> health data although it did not have any smart attributes.
Hmm, does this seem to be specific to SAS devices? (The OSD returns valid
JSON for other device types?) Do you see a message like 'smartctl JSON
output of /dev/whatever is invalid'?
sage
>
>
>
> # ceph osd smart get <osd.id>
>
> [root@node0 ~]# ceph osd smart get 0
>
> {
>
> }
>
>
>
> # smartctl -a --json /dev/sdb
>
> {
>
> "json_format_version" : [
>
> 0,
>
> 1
>
> ],
>
> "smartctl" : {
>
> "version" : [
>
> 6,
>
> 7
>
> ],
>
> "platform_info" : "x86_64-linux-3.10.0-229.el7.x86_64",
>
> "build_info" : "(local build)",
>
> "argv" : [
>
> "smartctl",
>
> "-a",
>
> "--json",
>
> "/dev/sdb"
>
> ],
>
> "exit_status" : 0
>
> },
>
> "device" : {
>
> "name" : "/dev/sdb",
>
> "info_name" : "/dev/sdb",
>
> "type" : "scsi",
>
> "protocol" : "SCSI"
>
> },
>
> "vendor" : "SEAGATE",
>
> "product" : "ST400FM0053",
>
> "model_name" : "SEAGATE ST400FM0053",
>
> "revision" : "0007",
>
> "scsi_version" : "SPC-4",
>
> "user_capacity" : {
>
> "blocks" : {
>
> "n" : 781422768,
>
> "s" : "781422768"
>
> },
>
> "bytes" : {
>
> "n" : 400088457216,
>
> "s" : "400088457216"
>
> }
>
> },
>
> "logical_block_size" : 512,
>
> "physical_block_size" : 4096,
>
> "rotation_rate" : 0,
>
> "form_factor" : {
>
> "scsi_value" : 3,
>
> "name" : "2.5 inches"
>
> },
>
> "serial_number" : "Z3F01KFM0000Z3F01KFM",
>
> "device_type" : {
>
> "scsi_value" : 0,
>
> "name" : "disk"
>
> },
>
> "local_time" : {
>
> "time_t" : 1530609525,
>
> "asctime" : "Tue Jul 3 17:18:45 2018 CST"
>
> },
>
> "smart_status" : {
>
> "passed" : true
>
> },
>
> "temperature" : {
>
> "current" : 37
>
> }
>
> }
>
>
>
> ---
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