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Jeroen Nietvelt

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First name Jeroen
Last name Nietvelt

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129 DevOps Points
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I can confirm that we currently have the capability of capturing, storing and presenting informative dashboards on the recorded netflow traffic. We capture the data by having a Netflow collector element...

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12 Votes Selected

Hi Jorge, We've been running this exact architecture already for the last 2 years without any pitfalls. A small addendum is that the Cassandra cluster is actually configured as one Cluster including all...

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11 Votes Selected

Hi Jens, Here I personally would opt for 3 cloud server instances: 1x Windows Server OS --> to host your DataMiner node 1x Linux OS --> to host your Cassandra node 1x Linux OS --> to host...

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9 Votes Selected

Were there any services / devices / platforms which had alarm activity in the last X (last hour, last day, last 30 mins) amount of time? If so, can you create a Top 20 group the alarms by severity?

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7 Votes

Hi Arunkrishna, As per my understanding, DataMiner software will at startup check for a valid DBConfiguration.xml file. If it encounters one, it will automatically disable (comment out this portion of...

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7 Votes Selected

Hi Jens, The Cisco Manager protocol has indeed been designed originally to operate with a broad range of Cisco equipment all running on Cisco IOS operating software. As Cisco have released a different...

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7 Votes Selected

Resources have capabilities and capacities defined to ensure that DataMiner SRM does always select the correct resources when a booking is created. But aside from the verification that is made on the moment...

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7 Votes Selected

Cassandra port overview: Public port.  22 SSH port Cassandra inter-node ports.  7000 Cassandra inter-node cluster communication. 7001 Cassandra SSL inter-node cluster communication. 7199 Cassandra...

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6 Votes Selected

Hi Thomas, You can do this by navigating in DataMiner Cube to module "protocols & templates". Once inside this module you can easily select the protocol followed by right clicking on the version of...

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5 Votes

Hi Bruno, I'll try to summarize an approach of what I believe would be good approach to deal with this change. Non Failover DMA in a DMS: Stop the DataMiner software on the agent in question and modify...

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5 Votes Selected

Hi Arunkrishna, This kind of deployment should be supported already in both driver ranges 10.0.0 as well as 10.0.1. I've included a screenshot below taken from a standard iDirect Evolution deployment...

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5 Votes Selected

Hi Jochen, the numbers mentioned as CPU cores in that overview should be interpreted as logical cores. As you can realize depending on the actual physical cpu, the power of the logical core can differentiate...

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5 Votes Selected

Specific to alarm information, DataMiner Web Services APIs expose methods (SOAP, JSON) to request alarm data. HTTP POST endpoints: http(s)://[DMAIP]/API/v1/Json.asmx/GetAlarms http(s)://[DMAIP]/API/v1/Json.asmx/GetAlarmDetails...

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Hi Thomas, I didn't verify each specific technology as mentioned by you but in general any type of type 1 or type 2 hypervisor which is capable of hosting the operating system as specified in our minimum...

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4 Votes Selected

Hi Ben, A while ago I came across the following one page online article which nicely describes NMOS and its key objectives. I'm at this moment not able to provide you with more insights on how widely...

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4 Votes

Hi Tom, not sure whether this can directly be achieved though. The solution which i used in the past to address this kind of problem was to create/duplicate the service template on multiple DMA's and by...

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4 Votes

DataMiner supports connecting to a single AD as well as connecting to multiple ADs. Single AD scenarios: In case the DMA server (OS) itself is already part of the domain in question, no further configuration...

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Hi Matthew, Yes, the Apache Cassandra website explicitly mentions that it is compatible with Red Hat Enterprise Linux 8 and Red Hat Enterprise Linux 9. The compatibility page states: "Apache Cassandra...

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3 Votes Selected

Hi Jordy, The Cisco 550X Series switches appear to be running on the Cisco IOS XE operating system. This operating system should be compatible with the Cisco Manager Connector available in our Catalog....

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3 Votes Selected

With a bit of trial and error I managed to get to the following queries which i executed through postman on the elasticsearch cluster: search query for all alarms older than 6 months: endpoint: GET http://[ES...

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Hi Manuel, I haven't done this in a while but the procedure I would use in such case would be: Nodetool drain on the node on which you want to apply the change. Stop the Cassandra service. Copy...

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3 Votes

Hi Dino, Yes I believe we can solve this by choosing a "Templated element" instead of a "Fixed element" when specifying the included element in the service template: When selecting a Templated element...

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3 Votes Selected

H Michael, I'm not sure if this hidden legacy feature still works but its definitely worth giving a try. I believe that if you enter ";;" (so 2 point comma's) as value in the info field of the alarm template,...

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3 Votes

Its indeed considered to be a best practice approach to keep your DMP's running on the same DataMiner SW version as your main DMA whenever you are making use of the element replication features or add...

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3 Votes

I do think it's important to note here that this depends on the duplex setting of the specific interface. The way its described by both Leander and Emmanuel requires the interface to be in full duplex...

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3 Votes

By my understanding, the problem we are trying to address by providing each node with its own hard disk is that no node will be able to hijack all of the IO bandwidth, causing the other node to experience...

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Hi Stefan, The following documentation page contains all info on composing URLs for shape data of type "Link". More particular the following placeholders can be used at the moment: I don't think any...

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2 Votes Selected

Hi Bruno, I believe you need to define the path where kibana can reach the remote (new) elasticsearch cluster inside the kibana.yml configuration file. If you are running kibana from one of the DataMiner...

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2 Votes Selected

Where can i get some help on DataMiner? Please provide me the steps i need to take to start a new integration into our DataMiner platform.

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2 Votes

For how long has [this service] been in critical state over the last X amount of time? Or from [start date /time] to [end date / time] show me the alarm state statistics for [this service] or [this element]...

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2 Votes

Hi Jeroen, A good starting point would be to check the information events which got populated at the time you executed the CSV import. In general the workflow I typically apply in such cases is to first...

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2 Votes Selected

After putting in the required amount of trial and error (and with the grace of Advantechs nice and helpfull techsupport team) we finally got confirmation on what the correct port settings for the serial...

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2 Votes Selected

Hi Bing, For elasticsearch nodes, this maintenance procedure wouldn't be needed. The elasticsearch nodes are already setup as an elasticsearch cluster where a DataMiner node actually can interface with...

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Hi Martin, Unfortunately regenerating these .csv offload files isn't currently part of the standard feature set of DataMiner software. As you pointed out we indeed generate offload files at runtime and...

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2 Votes Selected

Hi Carolina, Assuming you have the default consistencylevel "Quorum" applied in the db.xml file, the rule states the following: The consistency level QUORUM means it needs acknowledgment from 51% or a...

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1 Vote Selected

Hi Stefan, I think the <DMAIP> placeholder is what you are looking for. Please have a look at the following section in our online documentation platform. I believe it will induce the behavior you...

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1 Vote

Hi Bing, Here are some alarm metrics i have from a production system which has been running for approx. 10 months on the architecture where the DataMiner cluster (6 nodes - Windows Server OS), the elasticsearch...

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1 Vote Selected

Hi Pedro, You can however already get the button in there by manually adding the button parameter entry to the service template xml definition. What you need to do is: 1. Locate the service template...

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1 Vote

At this moment, we see no reason why running a complete or partial DataMiner cluster within AWS Outpost would not be possible. As AWS Outpost is basically an extension of the AWS cloud services within...

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1 Vote Selected

Hi Aditiben, Interesting case you have there. We would need to approach this a bit different I believe but you are indeed on the right track when thinking about creating the right filter for your table...

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0 Votes Selected

Hi Richard, I would typically use Wireshark to trace over a period the specific communication between a DataMiner Agent and it's local database. This should give you a baseline reference on how much bandwidth...

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Hi Bruno, I'm not aware of any known issues. We are running the following version ourselves in production: I can't give you 100% guarantee but would be very surprised that RHEL 7 would pose specific...

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Hi Max, Can you double check your service template configuration? More specifically the part where you define your child elements and do the selection of included parameters (where you also define the...

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0 Votes

Hi Jeff, I believe there is a way to overwrite the default trending maintenance schedule. What we did in the past in these kind of situations is to edit the element.xml file of the impacted element(s)...

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0 Votes Selected

Hi Tim, to my knowledge nothing on a technical level is preventing you to run all communication over a single network (VLAN or standard LAN). The question is more whether this is desired or not due to...

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0 Votes Selected

Hi Thomas, The offload data can be summarized into three different categories: Alarm data (info and alarm events including all their property values) Trend data (both realtime and average trend data)...

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0 Votes