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Re: Benefits of Additional Web Server

March 23, 2019, 11:33 am
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Hey, thanks for asking this question, this is one of my favourite topics, why should you use an additional webserver.

 

- it is one of the most "value for the buck" license in the solawinds world.

- I don't have an actual number but it mus be around 500€

- you can more easily identify web performance issues that might arise due to an incorrect IIS Config/GPOs that mess with permission etc.etc.etc.

- you can put that AWS in your DMZ and make your Orion Website available to the public (no more VPNing in when you receive an alert in the middle of the night)

- you will be able to spread the load of your Web-Users

- Your core Poller has the ressources for what is is needed -> polling information from devices and handling the core functions

 

the downside is:

- you need to maintain an additional Server

 

I'd go for an AWS at any time!

 

--- Edit ----

I forgot to answer all your questions:

 

- No stacking possible, I don't even like stacking APEs but that's just me.

- the Architecture and Design guidelines suggest 20 concurrent web users per Web Server (depending on what ressources you have on your website it might be more or less)

- AWS relies on MPE running... it will show a website but all Data Widgets will be empty

 

--- edit again ---

as there is only one AWS license with no tiers -> 445€

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Re: WLC Thin [Light Weight] Access Point Serial Number. Display & Report?

March 23, 2019, 12:10 pm
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ericmarshott,

 

Thank you for asking.

 

I am still working on it but not full time, hence the delay.

 

It is getting the right SQL Table JOINs to get the correct output.

 

On some trials it is the IP and MAC Addresses of the Clients connected via the Access Points.

 

When I get it right I will get it Posted and I will send you a message.

 

Do you have any feedback that may help?

 

Cheers,

DC4Networks

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Re: Arista Power Temp Sensor Spikes to -60 million degrees after 12.1 upgrade.

March 23, 2019, 2:59 pm
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I don't have confirmation yet - but my gut says to me this is an Arista bug.

 

To manually validate the SNMP data received for Arista, here's the OIDs nicely bundled into an article from SolarWinds : https://support.solarwinds.com/Success_Center/Network_Performance_Monitor_(NPM)/Knowledgebase_Articles/Verify_the_Hardware_Health_Sensor_status_of_Arista_devices

 

I have one ethernet ports DOM temp reporting consistently with an insanely low negative I found out, started 2 months ago. SolarWinds snmpwalk confirms also.

 

The name of the sensor:

[root@centos ~]# snmpget -O v -v 2c -c MYCOMMSTR MY.MASKED.IP.ADDR 1.3.6.1.2.1.47.1.1.1.1.2.107322201

STRING: "DOM Temperature Sensor for Ethernet7/22"

 

The value of the sensor:

[root@centos ~]# snmpget -O v -v 2c -c MYCOMMSTR MY.MASKED.IP.ADDR .1.3.6.1.2.1.99.1.1.1.4.107322201

INTEGER: -1000000000

 

I saw an alert just yesterday where the temp of an inlet sensor... 'Inlet sensor on MY-ARISTA-7508 is Critical at -100000000C, (-179999968F)' - coincidence? I think not.

 

For now I have a beast / ugly multi line bash command logging the values of all 8 inlet sensors into a text file every few minutes. Come Monday... it'll probably be time to engage Arista TAC.

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"Database configuration failed" after NPM 12.2 to 12.4 upgrade

March 24, 2019, 12:12 am
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Configuration Wizard fails with the following message after updating NPM 12.2 to 12.4 with an offline installer:

Database configuration failed:

  •  Error while executing script- Subquery returned more than 1 value. This is not permitted when the subquery follows =, !=, <, <= , >, >= or when the subquery is used as an expression.

Subquery returned more than 1 value. This is not permitted when the subquery follows =, !=, <, <= , >, >= or when the subquery is used as an expression.

The statement has been terminated.

The statement has been terminated.

 

About to submit a support case, yet wanted to check if there is a known fix. Seeing these two related posts on the forums:

 

Thanks for any hints.

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Re: Benefits of Additional Web Server

March 24, 2019, 4:35 am
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Some great notes HerrDoktor !  We have been looking at deploying an AWS as well and I think I might use some of your notes as talking points!

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Report trending - All Nodes

March 22, 2019, 7:11 am
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Afternoon all,

 

Can anyone please advise what would be the best way to pull a report from NPM regards to all node's

 

This would ideally include all devices for the month and detail how often the device has been down, average performance etc?

 

Any help would be greatly appreciated.

 

Cheers

Liam

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Re: Benefits of Additional Web Server

March 24, 2019, 2:27 pm
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Another reason to add to the list:  availability.

 

With an additional poller, I can bring the main server down for maintenance - patches/windows updates - in the middle of the day and users will not notice.  There will be an outage in polling, but not of the user interface if both front ends are behind a load balancer.

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Re: Report trending - All Nodes

March 24, 2019, 8:18 pm
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You'll find that you have a MUCH easier time making several reports instead of trying to make one monolithic report with all the metrics and such I'm one place.  There are many examples on thwack of availability,  downtime,  min/max /avg reports.   To combine them all into one thing that actually gives something readable would require a lot of custom sql.

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Re: "Database configuration failed" after NPM 12.2 to 12.4 upgrade

March 24, 2019, 8:57 pm
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Re: "Database configuration failed" after NPM 12.2 to 12.4 upgrade

March 24, 2019, 10:21 pm
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Have not - will check it out - thank you!

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Re: "Database configuration failed" after NPM 12.2 to 12.4 upgrade

March 24, 2019, 11:44 pm
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Doesn't look like this KB applies to my case:

  • See no duplicate "viewkey" entries (out of 122 total) - pasted into a Google Sheet, checked for duplicates.
  • See no two primary pollers in any of the places the article suggest checking.
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Re: Benefits of Additional Web Server

March 25, 2019, 2:26 am
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Hi,

You may also refer to this Thwack article for some great points regarding Additional Web Server provided by bogdan.stan@xpo.combourlism_roberts

 

Orion Web Server Scaling

 

Some key points -

  • Orion AWS is a 32 bit application
  • Each Web Server (as per recommendations) can handle about 20 concurrent users (but it purely depends on what is being presented to the user). You may be able to cater to even 50 concurrent users on a single web server
  • Keep the web load off the Main Polling Engine, as you have a fairly high number of elements - 60000 from 2300 nodes
  • For additional scaling, load balance the Additional Web Servers and keep a single URL for monitoring
  • Use SAM's AppInsight for IIS and apply it to the Web Server - "monitor the monitor"
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Re: Benefits of Additional Web Server

March 25, 2019, 3:14 am
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Hi RaviK, I remember having the discussion during the EMEA Partner Bootcamp in Cork. bogdan.stan@xpo.com provided some pretty deep insights, so the Kudos go to him on that topic.

I guess all that info sums it up nicely and as always in IT: the answer is "It depends"

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Re: Reccommendations engine kept stopping [Solved]

March 25, 2019, 4:34 am
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Hey man,

 

just wanted to say thank you for the suggested solution. It fixed my polling engines! I was about to open a system down ticket with support, but I found your solution and it fixed all of my issues.

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Aruba Monitoring

March 25, 2019, 2:21 am
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Hi,

New to this community and to Solarwinds. Does this Orion Web Console support Aruba AP?

My mission is to monitor the infrastructure, make backups and config remotely through this console, possible?

Thanks,

0xStrack

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Re: How to do PON port monitoring for GPON devices

March 25, 2019, 2:01 am
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HI SJA

 

Can you pleases help me in getting the OID for traffic on PON port, i am unable to get it from UNDP.

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Re: Arista Power Temp Sensor Spikes to -60 million degrees after 12.1 upgrade.

March 25, 2019, 6:14 am
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Interested to hear the outcome of this.

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Re: Benefits of Additional Web Server

March 25, 2019, 6:25 am
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I was wondering about that setup myself.  I have been contemplating trying to migrate every one of my projects to utilize load balancers and possibly even split them between my two data centers.  Giving me redundancy as well as continued visibility.  Thanks!

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Change Windows Credentials Save button fails

March 25, 2019, 6:41 am
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I'm currently experiencing a nightmare where I have had to change my Windows credentials used by SolarWinds against about 600 servers. I've made the change in AD but, in SolarWinds the save button is doing nothing. I have generated quite the event, Alert and ticket storm. I've tried two browsers Chrome and IE11. I'm uploading diags to support and not liking some of the suggestions..create a new account, etc. It looks like an issue where the update is simply not making it to the Db or rather the save button just does nothing but blink when I click on it. The dialog box never goes away. I can hit cancel and try over and over again with the same result. I've created and deleted a test account and it to does not allow the save button to be used.

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Re: "Database configuration failed" after NPM 12.2 to 12.4 upgrade

March 25, 2019, 9:56 am
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Can you go to path: C:\ProgramData\Solarwinds\Logs\Orion\ConfigurationWizard.log and paste here what the most recent log says?

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