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Type: Problem report
Resolution: Unresolved
Priority: Trivial
Fix Version/s: 6.0.36rc1, 7.0.6rc1, 7.2.0alpha2 (master)
Affects Version/s: 6.0.33
Component/s: Agent2 plugin (N)
Labels:
None
Environment:
smartctl 7.1 2019-12-30 r5022 [x86_64-linux-4.18.0-477.10.1.el8_8.x86_64]

Sprint:
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SMART monitoring appears broken after agent upgrade. Please find logs below.

6.0.32

[user@host2 ~]$ sudo -u zabbix -s
Creating home directory for zabbix.
bash-4.4$ sudo -n /usr/sbin/smartctl --scan -j
{
  "json_format_version": [
    1,
    0
  ],
  "smartctl": {
    "version": [
      7,
      1
    ],
    "svn_revision": "5022",
    "platform_info": "x86_64-linux-4.18.0-477.10.1.el8_8.x86_64",
    "build_info": "(local build)",
    "argv": [
      "smartctl",
      "--scan",
      "-j"
    ],
    "exit_status": 0
  },
  "devices": [
    {
      "name": "/dev/sdb",
      "info_name": "/dev/sdb",
      "type": "scsi",
      "protocol": "SCSI"
    },
    {
      "name": "/dev/sdc",
      "info_name": "/dev/sdc",
      "type": "scsi",
      "protocol": "SCSI"
    }
  ]
}

[user@host2 ~]$ sudo -u zabbix zabbix_agent2 -t smart.disk.discovery
Creating home directory for zabbix.
smart.disk.discovery                          [m|ZBX_NOTSUPPORTED] [Timeout occurred while gathering data.]

6.0.7

[user@host1 ~]$ sudo -u zabbix -s
Creating home directory for zabbix.
bash-4.4$ sudo -n /usr/sbin/smartctl --scan -j
{
  "json_format_version": [
    1,
    0
  ],
  "smartctl": {
    "version": [
      7,
      1
    ],
    "svn_revision": "5049",
    "platform_info": "x86_64-linux-4.18.0-477.10.1.el8_8.x86_64",
    "build_info": "(local build)",
    "argv": [
      "smartctl",
      "--scan",
      "-j"
    ],
    "exit_status": 0
  },
  "devices": [
    {
      "name": "/dev/sdb",
      "info_name": "/dev/sdb",
      "type": "scsi",
      "protocol": "SCSI"
    },
    {
      "name": "/dev/sdc",
      "info_name": "/dev/sdc",
      "type": "scsi",
      "protocol": "SCSI"
    }
  ]
}

[user@host1 ~]$ sudo -u zabbix zabbix_agent2 -t smart.disk.discovery
Creating home directory for zabbix.
smart.disk.discovery                          [s|[{"{#NAME}":"sdb cciss,0","{#DISKTYPE}":"hdd","{#MODEL}":"HP EG000300JWEBF","{#SN}":"W0K2XX25","{#PATH}":"/dev/sdb","{#RAIDTYPE}":"cciss,0","{#ATTRIBUTES}":""},{"{#NAME}":"sdb cciss,1","{#DISKTYPE}":"hdd","{#MODEL}":"HP EG000300JWEBF","{#SN}":"W0K2XZ2W","{#PATH}":"/dev/sdb","{#RAIDTYPE}":"cciss,1","{#ATTRIBUTES}":""},{"{#NAME}":"sdb cciss,2","{#DISKTYPE}":"hdd","{#MODEL}":"HP EG000300JWEBF","{#SN}":"W0K2Y1HQ","{#PATH}":"/dev/sdb","{#RAIDTYPE}":"cciss,2","{#ATTRIBUTES}":""},{"{#NAME}":"sdb cciss,3","{#DISKTYPE}":"hdd","{#MODEL}":"HP EG000300JWEBF","{#SN}":"W0K2XQDV","{#PATH}":"/dev/sdb","{#RAIDTYPE}":"cciss,3","{#ATTRIBUTES}":""},{"{#NAME}":"sdb cciss,4","{#DISKTYPE}":"ssd","{#MODEL}":"VK000480GWSXF","{#SN}":"18141F94EF30","{#PATH}":"/dev/sdb","{#RAIDTYPE}":"cciss,4","{#ATTRIBUTES}":"Raw_Read_Error_Rate Reallocated_Sector_Ct Power_On_Hours Program_Fail_Count_Chip Unused_Rsvd_Blk_Cnt_Tot Temperature_Celsius Reallocated_Event_Count"},{"{#NAME}":"sdb cciss,5","{#DISKTYPE}":"ssd","{#MODEL}":"VK000480GWSXF","{#SN}":"18141F94EF2C","{#PATH}":"/dev/sdb","{#RAIDTYPE}":"cciss,5","{#ATTRIBUTES}":"Raw_Read_Error_Rate Reallocated_Sector_Ct Power_On_Hours Program_Fail_Count_Chip Unused_Rsvd_Blk_Cnt_Tot Temperature_Celsius Reallocated_Event_Count"}]]

Debug level 5:

2024/08/23 06:43:23.870718 executing direct exporter task for key 'smart.disk.discovery'
2024/08/23 06:43:23.870739 [Smart] executing smartctl command: sudo -n /usr/sbin/smartctl -j -V
2024/08/23 06:43:24.037294 [Smart] executing smartctl command: sudo -n /usr/sbin/smartctl --scan -j
2024/08/23 06:43:24.074984 [Smart] executing smartctl command: sudo -n /usr/sbin/smartctl --scan -d sat -j
2024/08/23 06:43:24.109502 [Smart] executing smartctl command: sudo -n /usr/sbin/smartctl -a /dev/sda -d 3ware,0 -j
2024/08/23 06:43:24.109526 [Smart] executing smartctl command: sudo -n /usr/sbin/smartctl -a /dev/sda -d sat -j
2024/08/23 06:43:24.109544 [Smart] executing smartctl command: sudo -n /usr/sbin/smartctl -a /dev/sda -d cciss,0 -j
2024/08/23 06:43:24.109578 [Smart] executing smartctl command: sudo -n /usr/sbin/smartctl -a /dev/sda -d scsi -j
2024/08/23 06:43:24.109669 [Smart] executing smartctl command: sudo -n /usr/sbin/smartctl -a /dev/sdb -d 3ware,0 -j
2024/08/23 06:43:24.109746 [Smart] executing smartctl command: sudo -n /usr/sbin/smartctl -a /dev/sda -d areca,1 -j
2024/08/23 06:43:24.109829 [Smart] executing smartctl command: sudo -n /usr/sbin/smartctl -a /dev/sdc -d 3ware,0 -j
2024/08/23 06:43:24.109971 [Smart] executing smartctl command: sudo -n /usr/sbin/smartctl -a /dev/sdc -d sat -j
2024/08/23 06:43:24.110089 [Smart] executing smartctl command: sudo -n /usr/sbin/smartctl -a /dev/sdb -d cciss,0 -j
2024/08/23 06:43:24.110721 [Smart] executing smartctl command: sudo -n /usr/sbin/smartctl -a /dev/sdb -d sat -j
2024/08/23 06:43:24.110749 [Smart] executing smartctl command: sudo -n /usr/sbin/smartctl -a /dev/sdc -d scsi -j
2024/08/23 06:43:24.112799 [Smart] executing smartctl command: sudo -n /usr/sbin/smartctl -a /dev/sdc -d areca,1 -j
2024/08/23 06:43:24.112908 [Smart] executing smartctl command: sudo -n /usr/sbin/smartctl -a /dev/sdb -d areca,1 -j
2024/08/23 06:43:24.112969 [Smart] executing smartctl command: sudo -n /usr/sbin/smartctl -a /dev/sdc -d cciss,0 -j
2024/08/23 06:43:24.113051 [Smart] executing smartctl command: sudo -n /usr/sbin/smartctl -a /dev/sdb -d scsi -j
2024/08/23 06:43:24.216411 [Smart] failed to get device "/dev/sdb" info by type "3ware": Smartctl returned error: unknown error from smartctl.
2024/08/23 06:43:24.216447 [Smart] failed to get device "/dev/sda" info by type "sat": Smartctl returned error: unknown error from smartctl.
2024/08/23 06:43:24.217154 [Smart] failed to get device "/dev/sdc" info by type "3ware": Smartctl returned error: unknown error from smartctl.
2024/08/23 06:43:24.217810 [Smart] failed to get device "/dev/sdc" info by type "areca": Smartctl returned error: Smartctl open device: /dev/sdc [areca_disk#01_enc#01] failed: Input/output error.
2024/08/23 06:43:24.218737 [Smart] failed to get device "/dev/sdb" info by type "sat": Smartctl returned error: unknown error from smartctl.
2024/08/23 06:43:24.231012 [Smart] failed to get device "/dev/sda" info by type "cciss": Smartctl returned error: Smartctl open device: /dev/sda [cciss_disk_00] [SCSI/SAT] failed: Read-only file system.
2024/08/23 06:43:24.231340 [Smart] failed to get device "/dev/sdb" info by type "areca": Smartctl returned error: Smartctl open device: /dev/sdb [areca_disk#01_enc#01] failed: Input/output error.
2024/08/23 06:43:24.238622 [Smart] failed to get device "/dev/sda" info by type "3ware": Smartctl returned error: unknown error from smartctl.
2024/08/23 06:43:24.247501 [Smart] failed to get device "/dev/sda" info by type "areca": Smartctl returned error: Smartctl open device: /dev/sda [areca_disk#01_enc#01] failed: Input/output error.
2024/08/23 06:43:24.247778 [Smart] failed to get device "/dev/sdc" info by type "sat": Smartctl returned error: unknown error from smartctl.
2024/08/23 06:43:24.254113 [Smart] failed to get device "/dev/sda" info by type "scsi": Smartctl returned no smart status.
2024/08/23 06:43:25.500603 [Smart] executing smartctl command: sudo -n /usr/sbin/smartctl -a /dev/sdb -d cciss,0 -j
2024/08/23 06:43:25.532901 [Smart] executing smartctl command: sudo -n /usr/sbin/smartctl -a /dev/sdc -d cciss,0 -j
2024/08/23 06:43:26.203771 [Smart] executing smartctl command: sudo -n /usr/sbin/smartctl -a /dev/sdb -d cciss,0 -j

From changelog

Between 6.07 and 6.0.32, there were three changes directly related to smartctl (highlighted in changelog). From most recent:
~~ZBXNEXT-9081~~ added Small Computer System Interface (SCSI) device type support to Zabbix agent 2 Smart plugin
~~ZBX-23858~~ fixed injection vulnerability in Zabbix agent 2 smartctl plugin
~~ZBX-21665~~ fixed SMART plugin infinite loop for Zabbix agent 2

Downgrading agent to 6.0.13 works:

[user@host1 ~]$ zabbix_get -s 127.0.0.1 -k smart.disk.discovery
[{"{#NAME}":"sda cciss,0","{#DISKTYPE}":"hdd","{#MODEL}":"HP EG000300JWEBF","{#SN}":"W0K2XX25","{#PATH}":"/dev/sda","{#RAIDTYPE}":"cciss,0","{#ATTRIBUTES}":""},{"{#NAME}":"sda cciss,1","{#DISKTYPE}":"hdd","{#MODEL}":"HP EG000300JWEBF","{#SN}":"W0K2XZ2W","{#PATH}":"/dev/sda","{#RAIDTYPE}":"cciss,1","{#ATTRIBUTES}":""},{"{#NAME}":"sda cciss,2","{#DISKTYPE}":"hdd","{#MODEL}":"HP EG000300JWEBF","{#SN}":"W0K2Y1HQ","{#PATH}":"/dev/sda","{#RAIDTYPE}":"cciss,2","{#ATTRIBUTES}":""},{"{#NAME}":"sda cciss,3","{#DISKTYPE}":"hdd","{#MODEL}":"HP EG000300JWEBF","{#SN}":"W0K2XQDV","{#PATH}":"/dev/sda","{#RAIDTYPE}":"cciss,3","{#ATTRIBUTES}":""},{"{#NAME}":"sda cciss,4","{#DISKTYPE}":"ssd","{#MODEL}":"VK000480GWSXF","{#SN}":"18141F94EF30","{#PATH}":"/dev/sda","{#RAIDTYPE}":"cciss,4","{#ATTRIBUTES}":"Raw_Read_Error_Rate Reallocated_Sector_Ct Power_On_Hours Unknown_Intel_Attribute Power_Loss_Cap_Test Unused_Rsvd_Blk_Cnt_Tot Temperature_Internal Reallocated_Event_Count"},{"{#NAME}":"sda cciss,5","{#DISKTYPE}":"ssd","{#MODEL}":"VK000480GWSXF","{#SN}":"18141F94EF2C","{#PATH}":"/dev/sda","{#RAIDTYPE}":"cciss,5","{#ATTRIBUTES}":"Raw_Read_Error_Rate Reallocated_Sector_Ct Power_On_Hours Unknown_Intel_Attribute Power_Loss_Cap_Test Unused_Rsvd_Blk_Cnt_Tot Temperature_Internal Reallocated_Event_Count"}]