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1) Install Entware

Enable SSH on QNAP, then:

wget -O - http://bin.entware.net/x64-k3.2/installer/generic.sh | sh
Verify and fix PATH (usually already correct):
export PATH=/opt/bin:/opt/sbin:$PATH

2) Install smartmontools (Entware)

/opt/bin/opkg update
/opt/bin/opkg install smartmontools

Verify:

/opt/sbin/smartctl --version

3) Download Scrutiny collector binary

mkdir -p /opt/scrutiny/bin
cd /opt/scrutiny/bin

curl -L \
  https://github.com/AnalogJ/scrutiny/releases/latest/download/scrutiny-collector-metrics-linux-amd64 \
  -o scrutiny-collector-metrics-linux-amd64

chmod +x scrutiny-collector-metrics-linux-amd64

4) Detect disk types (important on QNAP)

/opt/sbin/smartctl --scan

Then confirm ATA passthrough works:

/opt/sbin/smartctl -a -d sat /dev/sda

If this shows full SMART data → use type: sat.

5) Create collector config

mkdir -p /share/CE_CACHEDEV1_DATA/scrutiny
vi /share/CE_CACHEDEV1_DATA/scrutiny/collector.yaml
version: 1
host:
 id: "QNAP-NAS (172.16.20.9)"
api:
 endpoint: "http://172.16.20.35:505"
commands:
 metrics_smartctl_bin: /opt/sbin/smartctl
devices:
 - device: /dev/sda
   type: sat
 - device: /dev/sdb
   type: sat
 - device: /dev/sdc
   type: sat
 - device: /dev/sdd
   type: sat

6) Test collector manually

/opt/scrutiny/bin/scrutiny-collector-metrics-linux-amd64 \
  run \
  --config /share/CE_CACHEDEV1_DATA/scrutiny/collector.yaml \
  --debug

Confirm:

  • -d sat is used
  • exit_status: 0
  • metrics appear in remote Scrutiny UI server

7) Schedule via cron (QNAP way)

vi /etc/config/crontab

Example (hourly):

0 * * * * PATH=/opt/sbin:/opt/bin:/bin:/usr/bin /opt/scrutiny/bin/scrutiny-collector-metrics-linux-amd64 run --config /share/CE_CACHEDEV1_DATA/scrutiny/collector.yaml >> /share/CE_CACHEDEV1_DATA/scrutiny/collector.log 2>&1

8) Ensure cron survives reboot (recommended)

vi /etc/config/autorun.sh
#!/bin/sh
crontab /etc/config/crontab
chmod +x /etc/config/autorun.sh
crontab /etc/config/crontab
/etc/init.d/crond.sh restart

9) Post-reboot check

crontab -l
tail -n 20 /share/CE_CACHEDEV1_DATA/scrutiny/collector.log