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20-Invoke-IcingaCheckDiskHealth.md

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Invoke-IcingaCheckDiskHealth

Description

Checks availability, state and utilization of the physical hard disk

Checks the state, accessibility and usage of a physical disk. There are a total of 8 PerfCounter checks that represent the usage of a physical disk, and each of them has its own threshold value, i.e. you cannot use only one threshold value to check how fast a disk is writing and reading.

Permissions

To execute this plugin you will require to grant the following user permissions.

WMI Permissions

  • root\cimv2
  • root\Microsoft\Windows\Storage

Performance Counter

  • \PhysicalDisk(*)\disk read bytes/sec
  • \PhysicalDisk(*)\disk write bytes/sec
  • \PhysicalDisk(*)\disk reads/sec
  • \PhysicalDisk(*)\disk writes/sec
  • \PhysicalDisk(*)\avg. disk sec/read
  • \PhysicalDisk(*)\avg. disk sec/write
  • \PhysicalDisk(*)\avg. disk sec/transfer
  • \PhysicalDisk(*)\current disk queue length
  • \PhysicalDisk(*)\avg. disk queue length

Required User Groups

  • Performance Monitor Users

Arguments

Argument Type Required Default Description
IncludeDisk Array false @() Specify the index id of disks you want to include for checks. Example 0, 1
ExcludeDisk Array false @() Specify the index id of disks you want to exclude from checks. Example 0, 1
IncludePartition Array false @() Specify the partition drive letters for disks to include for checks. Example C:, D:
ExcludePartition Array false @() Specify the partition drive letters for disks to exclude from checks. Example C:, D:
DiskReadSecWarning Object false Warning threshold for disk Reads/sec is the rate of read operations on the disk.
DiskReadSecCritical Object false Critical threshold for disk Reads/sec is the rate of read operations on the disk.
DiskWriteSecWarning Object false Warning threshold for disk Writes/sec is the rate of write operations on the disk.
DiskWriteSecCritical Object false Critical threshold for disk Writes/sec is the rate of write operations on the disk.
DiskQueueLenWarning Object false Warning threshold for current Disk Queue Length is the number of requests outstanding on the disk at the time the performance data is collected.
It also includes requests in service at the time of the collection. This is a instantaneous snapshot, not an average over the
time interval. Multi-spindle disk devices can have multiple requests that are active at one time, but other concurrent requests
are awaiting service. This counter might reflect a transitory high or low queue length, but if there is a sustained load on the
disk drive, it is likely that this will be consistently high. Requests experience delays proportional to the length of this queue
minus the number of spindles on the disks. For good performance, this difference should average less than two.
DiskQueueLenCritical Object false Critical threshold for current Disk Queue Length is the number of requests outstanding on the disk at the time the performance data is collected.
It also includes requests in service at the time of the collection. This is a instantaneous snapshot, not an average over the
time interval. Multi-spindle disk devices can have multiple requests that are active at one time, but other concurrent requests
are awaiting service. This counter might reflect a transitory high or low queue length, but if there is a sustained load on the
disk drive, it is likely that this will be consistently high. Requests experience delays proportional to the length of this queue
minus the number of spindles on the disks. For good performance, this difference should average less than two.
DiskQueueAvgLenWarning Object false Warning threshold for Avg. Disk Queue Length is the average number of both read and write requests that were queued for the selected disk during the sample interval.
DiskQueueAvgLenCritical Object false Critical threshold for Avg. Disk Queue Length is the average number of both read and write requests that were queued for the selected disk during the sample interval.
DiskReadByteSecWarning Object false Warning threshold for disk Read Bytes/sec is the rate at which bytes are transferred from the disk during read operations.
DiskReadByteSecCritical Object false Critical threshold for disk Read Bytes/sec is the rate at which bytes are transferred from the disk during read operations.
DiskWriteByteSecWarning Object false Warning threshold for disk Write Bytes/sec is rate at which bytes are transferred to the disk during write operations.
DiskWriteByteSecCritical Object false Critical threshold for disk Write Bytes/sec is rate at which bytes are transferred to the disk during write operations.
DiskAvgTransSecWarning Object false Warning threshold for avg. Disk sec/Transfer is the time, in seconds, of the average disk transfer. If the threshold values are not in seconds, please enter a unit such as (ms, s, m, h, ...)
DiskAvgTransSecCritical Object false Critical threshold for avg. Disk sec/Transfer is the time, in seconds, of the average disk transfer. If the threshold values are not in seconds, please enter a unit such as (ms, s, m, h, ...)
DiskAvgReadSecWarning Object false Warning threshold for avg. Disk sec/Read is the average time, in seconds, of a read of data from the disk. If the threshold values are not in seconds, please enter a unit such as (ms, s, m, h, ...)
DiskAvgReadSecCritical Object false Critical threshold for avg. Disk sec/Read is the average time, in seconds, of a read of data from the disk. If the threshold values are not in seconds, please enter a unit such as (ms, s, m, h, ...)
DiskAvgWriteSecWarning Object false Warning threshold for Avg. Disk sec/Write is the average time, in seconds, of a write of data to the disk. If the threshold values are not in seconds, please enter a unit such as (ms, s, m, h, ...)
DiskAvgWriteSecCritical Object false Critical threshold for Avg. Disk sec/Write is the average time, in seconds, of a write of data to the disk. If the threshold values are not in seconds, please enter a unit such as (ms, s, m, h, ...)
IgnoreOfflineDisks SwitchParameter false False Ignores any disk which is having the state Offline and returns Ok instead of Warning for this specific state
IgnoreReadOnlyDisks SwitchParameter false False Ignores any disk which is having the state Read Only and returns Ok instead of Warning for this specific state
CheckLogicalOnly SwitchParameter false False Set this to include only disks that have drive letters like C:, D:, ..., assigned to them. Can be combined with include/exclude filters
NoPerfData SwitchParameter false False
Verbosity Int32 false 0 Changes the behavior of the plugin output which check states are printed:
0 (default): Only service checks/packages with state not OK will be printed
1: Only services with not OK will be printed including OK checks of affected check packages including Package config
2: Everything will be printed regardless of the check state
3: Identical to Verbose 2, but prints in addition the check package configuration e.g (All must be [OK])
ThresholdInterval String Change the value your defined threshold checks against from the current value to a collected time threshold of the Icinga for Windows daemon, as described here. An example for this argument would be 1m or 15m which will use the average of 1m or 15m for monitoring.

Examples

Example Command 1

Invoke-IcingaCheckDiskHealth  -DiskReadSecWarning 0 -DiskReadSecCritical 1 -DiskAvgTransSecWarning 5s -DiskAvgTransSecCritical 10s -DiskReadByteSecWarning 3000 -DiskReadByteSecCritical 5000 -Verbosity 2

Example Output 1

[OK] Check package "Physical Disk Package" (Match All)
\_ [OK] Check package "Disk #_Total" (Match All)
   \_ [OK] _Total avg. disk queue length: 0.001748%
   \_ [OK] _Total avg. disk sec/read: 0s
   \_ [OK] _Total avg. disk sec/transfer: 0.000315s
   \_ [OK] _Total avg. disk sec/write: 0.000315s
   \_ [OK] _Total disk read bytes/sec: 0B
   \_ [OK] _Total disk reads/sec: 0
   \_ [OK] _Total disk write bytes/sec: 125800.7B
   \_ [OK] _Total disk writes/sec: 5.025574
\_ [OK] Check package "Disk #0" (Match All)
   \_ [OK] F: C: avg. disk queue length: 0.001751%
   \_ [OK] F: C: avg. disk sec/read: 0s
   \_ [OK] F: C: avg. disk sec/transfer: 0.000315s
   \_ [OK] F: C: avg. disk sec/write: 0.000315s
   \_ [OK] F: C: current disk queue length: 0
   \_ [OK] F: C: disk read bytes/sec: 0B
   \_ [OK] F: C: disk reads/sec: 0
   \_ [OK] F: C: disk write bytes/sec: 125814.7B
   \_ [OK] F: C: disk writes/sec: 5.018281
   \_ [OK] F: C: Is Offline: False
   \_ [OK] F: C: Is ReadOnly: False
   \_ [OK] F: C: Operational Status: OK
| 'f_c_avg_disk_sectransfer'=0.000315s;5;10 'f_c_disk_write_bytessec'=125814.7B;; 'f_c_avg_disk_secwrite'=0.000315s;; 'f_c_disk_read_bytessec'=0B;3000;5000 'f_c_avg_disk_secread'=0s;; 'f_c_disk_readssec'=0;0;1 'f_c_avg_disk_queue_length'=0.001751%;;;0;100 'f_c_current_disk_queue_length'=0;; 'f_c_disk_writessec'=5.018281;; '_total_disk_readssec'=0;0;1 '_total_disk_write_bytessec'=125800.7B;; '_total_avg_disk_sectransfer'=0.000315s;5;10 '_total_disk_read_bytessec'=0B;3000;5000 '_total_avg_disk_queue_length'=0.001748%;;;0;100 '_total_avg_disk_secread'=0s;; '_total_disk_writessec'=5.025574;; '_total_current_disk_queue_length'=0;; '_total_avg_disk_secwrite'=0.000315s;;
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