Send statistic from /proc/diskstats to Zabbix without any additional package and program

Features

• AutoDiscovery BlockDev and Filter by global regexp: block_dev_filter
• Collect Read\Write Operations per second
• Collect Read\Write Sectors per second
• Calculate Time for 1 Read\Write Operations
  • Trigger when IO_Time >30ms at last 5min
• Collect IO Queue
• Convert DM(Device Mapper) device to pretty Name
  • Get stat for dm-1 but print for user vg00-lv_root
  • After reboot dm-1 may change to dm-2, but stat will be correct

Install

Original install instruction on GitHub

• 1. Add parametrs to zabbix-agent.conf

#### enable Include in config
# /etc/zabbix/zabbix_agentd.conf
echo "Include=/etc/zabbix-agent.d/*.conf" >> /etc/zabbix/zabbix_agentd.conf

#### copy config 
mkdir -p /etc/zabbix-agent.d/ && cd /etc/zabbix-agent.d/

# For RHEL/CentOS-8, Debian-10(buster), Ubuntu-18.04(Xenial), Gentoo
curl -O 'https://raw.githubusercontent.com/dusharu/ZBX_Disk_Stat/master/config_zabbix-agent/Disk_Stat.conf'
# For old system
curl -o Disk_Stat.conf 'https://raw.githubusercontent.com/dusharu/ZBX_Disk_Stat/master/config_zabbix-agent/Disk_Stat_awk.conf'

#### restart zabbix-agent
# RHEL/CentOS
systemctl restart zabbix-agentd
# Debian/Ubuntu
systemctl restart zabbix-agent
# Gentoo
/etc/init.d/zabbix-agentd restart

• 2. Import Template_ZBX/ZBX_Disk_Stat.xml
• 3. Create global regexp: block_dev_filter
  • ^$ - result FALSE - device was remove
  • .snapshot. - result FALSE - filter LVM snapshot
  • -real$ - result FALSE - filter LVM snapshot
  • -cow$ - result FALSE - filter LVM snapshot
  • ^xvd[a-z]*[0-9]+$ - result FALSE - filter partitions
  • ^[hs]d[a-z]*[0-9]+$ - result FALSE - filter partitions
  • ^loop[0-9]*$ - result FALSE - filter loop device
  • ^sr[0-9]*$ - result FALSE - filter CD-ROM
• 4. Add host to group "Disk_Stat: io_block_dev"
• 5. Wait before Zabbix Discovery and Get Some Data