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3PAR Datastore Vcenter LUN Monitoring

 
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itelio



Joined: 06 Nov 2014
Posts: 52

PostPosted: Thu Jun 14, 2018 12:44 am    Post subject: 3PAR Datastore Vcenter LUN Monitoring Reply with quote

Hello
Is there a solution to monitor ESX Storages higher than ESXi 5.5?
We had the problem that the LUN has run dry and it is an HP 3PAR Lun which is queried via the ESX host.
I have seen that only until ESXi 5.5 is supported? Of course, we already have 6.5 in use. Is there a solution here?

Test says 14 % free but this is a wrong value ....


We have installed the latest version 11.36





I cannot Check via Vcenter correct? This would be the easiest way.

Regards
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KS-Soft



Joined: 03 Apr 2002
Posts: 11947
Location: USA

PostPosted: Thu Jun 14, 2018 6:42 am    Post subject: Reply with quote

Host Free Space test method?
Yes, it should work with ESX 6.5, works fine on our systems.
If you provide HTTPS access to MOB, we can check what is wrong.

HP 3PAR Lun supports SNMP, right?
Probably Drive Free Space (SNMP mode) works with this device? Then you can check it directly...

Regards
Alex
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itelio



Joined: 06 Nov 2014
Posts: 52

PostPosted: Tue Jul 03, 2018 12:38 am    Post subject: re Reply with quote

Hi Alex,

Thanks for the answer.
Unfortunately, I do not quite understand how to set up the SNMP test.
The LUNS can not be specified and no logon to the host with root / password is possible .... VMware host Disk Space recognizes the LUNS all wonderful only the return values are definitely wrong.
LUN2 returns 14%, but only 9% are free. That's just wrong...

VCenter:


Hostmon:


Regards
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KS-Soft



Joined: 03 Apr 2002
Posts: 11947
Location: USA

PostPosted: Tue Jul 03, 2018 1:10 am    Post subject: Reply with quote

Quote:
LUN2 returns 14%, but only 9% are free. That's just wrong

If you provide HTTPS access to MOB, we can check what is wrong.

Quote:
Unfortunately, I do not quite understand how to set up the SNMP test.

Not SNMP test, Drive Free Space test (SNMP mode).
If you click Help button or press F1, HostMonitor will tell you everything about test settings.

Target host
Provide host name, IPv6 or IPv4 address (e.g. 10.10.1.55) of the system that you wish to monitor.
Optionally you may specify UDP port; port number has to be provided after a colon following the address(hostname) (e.g. 172.168.10.10:161).

SNMP profile
Choose profile that stores credentials necessary for communication with SNMP agent on target system. You may select profile from drop-down list or click button beside the list to bring up SNMP Credentials dialog.
Note: HostMonitor may retrieve data faster when SNMP v2c or SNMP v3 is used.

Timeout, Retries
...

Then you may select one or several of the following options
- Check all local drives tells HostMonitor to check all fixed drives on target system
- Check all removable drives check all removable drives on target system (not including CD/DVD drives)
- Check listed drive(s) mark this option and provide drive list when you want to check specific drive(s) on target system, e.g. /var /dev/sda/. Note: wildcard * can be used at the end of disk name, e.g. /dev/sd*

Alert if free space less than <N> MB/GB/TB/%
When HostMonitor checks several drives it finds drive with smallest amount of free space (or drive with minimal percentage of free space when "%" alert options is selected) and sets Ok or Bad test status depending on amount of free space and value of this option.
Also %DiskID% and %DiskLabel% variables can be used as parameters of the actions, providing information about target drive.

Then you need to read HP 3PAR manual and setup SNMP agent on this device. Probably SNMP agent already active, you may try "public" as default community name.

Regards
Alex
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itelio



Joined: 06 Nov 2014
Posts: 52

PostPosted: Tue Jul 03, 2018 3:23 am    Post subject: re Reply with quote

Hi Alex,

Thanks for the information.
I could find the mistake. Apparently, it only works reliably over a specific ESX host.
I have changed the ESX host via which the queries are executed and now the correct values are displayed. It is not clear to me why it can come to deviations? ..
In addition, I have checked the values with the VCenter and it fits.
Additionally, we have now enabled the VCenter internal alerting on disk usage as a backup.

Here you can see the differences...

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KS-Soft



Joined: 03 Apr 2002
Posts: 11947
Location: USA

PostPosted: Tue Jul 03, 2018 3:27 am    Post subject: Reply with quote

Same answer - If you provide HTTPS access to MOB, we can check what is wrong.

Regards
Alex
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