HI Sage:
NO, I did not see any message like ' smartctl JSON output of /dev/whatever is invalid'.
I attached the same device smartctl command output at below.
-----Original Message-----
From: Sage Weil <sweil@xxxxxxxxxx>
Sent: Tuesday, July 3, 2018 8:04 PM
To: Rick Chen <rick.chen@xxxxxxxxxxxxxxx>
Cc: Jeremy Wei <jeremycwei@xxxxxxxxx>; brian.huang@xxxxxxxxxxxxxxx; Jeremy Wei <jeremycwei@xxxxxxxxx>; ceph-devel@xxxxxxxxxxxxxxx
Subject: Re: About smartctl unable to query SAS Disk device
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
>
> }
>
> }
>
>
>
> ---
> Avast 防毒軟體已檢查此封電子郵件的病毒。
> https://www.avast.com/antivirus
>
---
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