Best way to monitor S2D - HyperV Cluster

Matthew1 · May 9, 2024, 7:53am

Hi to all,

can anyone recommend me a way to monitor S2D / a hyperV Cluster?
I have seen some github scripts is this the best way?

This are the scripts that I have found:

Constey/check_mk/blob/master/check_spaces_direct.ps1

# 30.01.2019 # CL
# Constantin.Lotz@ruv-bkk.de
# Check Storage Spaces Direct Disk
#          
# Dieser Check prüft den Status aller Virtual Disks sowie des StoragePool
# Außerdem werden aktuelle StorageJobs aufgelistet
# 
# Version 0.1
#

$vdisks = Get-VirtualDisk | Select FriendlyName, OperationalStatus, HealthStatus, Size, AllocatedSize, FootprintOnPool
foreach ($vdisk in $vdisks) {
    if ($vdisk.OperationalStatus -eq "OK" -and $vdisk.HealthStatus -eq "Healthy") {
        # All good
        $status = "0"
        $statusText = "OK - " + $vdisk.Friendlyname + " is in good state. OperationalStatus:" + $vdisk.OperationalStatus + " | HealthStatus:" + $vdisk.HealthStatus
    } else {
        $status = "1"
        $statusText = "Warning - " + $vdisk.Friendlyname + " is in unusual state. OperationalStatus:" + $vdisk.OperationalStatus + " | HealthStatus:" + $vdisk.HealthStatus
    }

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github.com

Constey/check_mk/blob/master/check_spaces_phydisk.ps1

# 30.01.2019 # CL
# Constantin.Lotz@ruv-bkk.de
# Check Storage Spaces Direct Disk
#          
# Dieser Check prüft den Status aller Physical Disks
# und liefert die Summe der gesamten Festplatten
#
# Version 0.2
#
# Changelog: 24.02.2020 -Remove Whitespaces from SerialNumber (by Andreas, afaassl)
# 

# PhysicalDisk
$pdisks = Get-PhysicalDisk | Where { $_.FriendlyName -ne "HP LOGICAL VOLUME" } | Select FriendlyName, SerialNumber, OperationalStatus, HealthStatus, Usage, Size, AllocatedSize, VirtualDiskFootprint
foreach ($pdisk in $pdisks) {
    if ($pdisk.OperationalStatus -eq "OK" -and $pdisk.HealthStatus -eq "Healthy") {
        # All good
        $status = "0"
        #Remove Whitespaces
		$serial=$pdisk.SerialNumber.replace(' ','') #afassl

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Can anyone tell me where I have to insert this script?

I’m not a pro user using checkmk maybe someone can guide me through this process.

Thank you very much!

aeckstein · May 9, 2024, 8:00am

Hi,

for 2.1 there is Andreas check, I will migrate it to the 2.2 “API” in the next days…

Matthew1 · May 9, 2024, 8:03am

I installed the mkp file on the omd I see that the mkp hyperv_cluster 2.0 is enabled.
But how can I now monitor the hyper-v cluster?

Can you give me a hint?
Normaly I find the checks under other integrations but this time I cannot find anything:

aeckstein · May 9, 2024, 2:58pm

The cluster data is fetched by Powershell scripts triggered by the checkmk Agent on the Cluster nodes, you can either bake them into a MSI package in the bakery or put them manually in the agents Plugin folder with the Raw Edition.

Matthew1 · May 10, 2024, 10:17am

Ok thank you, I was able to copy the files now manually (hyperv checks) into this path: /local/lib/check_mk/base/plugins/agent_based and they are now into this folder.

Can you provide me the next steps?
Or should I be able now to rescan the object and see the available checks?

I can’t find something helpful from the documentation.

Thank you @aeckstein

aeckstein · May 10, 2024, 12:54pm

Hi Matthias,

a discovery of the hosts should be enough.
You can try to run the powershell scripts manually and see if they provide a valid output and you can see if the checkmk agent output contains the hyper_v sections e. g. <<<hyperv_cluster_general>>> .

Matthew1 · June 10, 2024, 9:37am

Hey @aeckstein,

sorry for my late answer on that, was in trouble with other stuff until yet.
I tried to run the powershell script manually (with and without admin credentials) and there I got this error:

So manually the powershell script doesn’t work.
For this reason the checks on checkmk site don’t work too.

Matthew1 · July 26, 2024, 9:30am

I’m still stuck here…can you tell me where (checkmk server, server etc.) I should try to run the powershell script manually?

andreas-doehler · July 26, 2024, 9:41am

I think you need to test it inside a elevated powershell.
CheckMK agent runs normally as local system and has these rights.

Matthew1 · September 3, 2024, 9:01am

Where should the checkmk agent run? It can’t run on the node, unfortunately I haven’t really understood that yet, maybe you can help me.

Thank you.

andreas-doehler · September 3, 2024, 10:14am

The PowerShell scripts must run on the HyperV node.
That means a CheckMK agent must be installed on the HyperV nodes.

Matthew1 · September 3, 2024, 10:19am

Ok thank you, but is there any official guideline how to set this up?

andreas-doehler · September 3, 2024, 11:40am

It is the same as with any other agent plugin script.