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Questions tagged [opscenter]

DataStax OpsCenter makes it possible to manage Apache Cassandra and DataStax Enterprise clusters from a centralized web-based dashboard.

DataStax OpsCenter makes it easy to manage Apache Cassandra and DataStax Enterprise clusters by giving administrators, architects and developers an at-a-glance view of the system from a centralized dashboard.

OpsCenter installs seamlessly and gives system operators the flexibility to monitor and manage even the most complex workloads with ease from any web browser.

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Change hostname in datastax-agent

I've noticed when working in Opscenter that all the nodes are displayed with the result of hostname and their IP address. For an ec2 host this is a little redundant since the hostnames look like ip-10-0-0-1. I was hoping to override this node's…
Seth Rosenblum
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Datastax Opscenter 5.0: Getting "InvalidGroup.NotFound" when adding node via AWS

I am getting an "InvalidGroup.NotFound" when trying to add an additional node to my cluster through OpsCenter via AWS. The existing node running OpsCenter is in the VPC and is already using the security group that I'm trying to set on the node I'm…
user1475573
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DataStax OpsCenter 5.0.0 API doesn't increase last_seen when nodes down if DataStax OpsCenter Agent is down, used to work with 3.2.2

I've been using the DataStax OpsCenter (Enterprise) 5.0.0 REST API with DSE 4.5.1 (Cassandra 2.0.9) to query the /$cluster_name/nodes endpoint and see the last_seen field for the number of seconds since each given node was seen to see if I can…
Hari Sekhon
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Opscenter is unable to install agents due permission denied to /tmp

O am not able to install agents on 10.0.0.29 IP through opscenter. It says below error. The user is pavan and this user is having sudo access. Opscenter is unable to install the agents and I'm not able to use opscenter to monitor the cassandra…
kicksammy
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Setting-up OpsCenter gives: scp /tmp/.. Permission denied

I'm trying to setup OpsCenter by adding my localhost Cassandra node (for testing). The login credentials I used for SSH has sudo/root rights, nevertheless I get the error: scp: /tmp/tmpXInRfq: Permission denied I can understand that SCP protocol…
Melroy van den Berg
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Opscenter 5.0: User management query

I've installed the free tarball version of opscenter and am having problems with the user management aspect of it. I have authentication enabled via: [authentication] enabled = true ...and can log in as the admin user. However, the rest of the…
d_w_r
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Opscenter 5.0: error when adding cluster, cluster added anyway, no clusters shown

I have a new Opscenter installation. After adding my "existing cluster" to opscenter, I get the following error dialog boxes: Error creating cluster: Cannot read property 'datasource' of undefined and then Error getting basic OpsCenter information:…
Ran Rubinstein
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datatstax opscenter v 4.1.2 short-os collection failed

I've installed Datastax opscenter v4.1.2. It was bundled with Datastax Cassandra Community edition version 2.0.8. I'm running these on Windows Server 2008 R2 64-bit. When I open opscenter all agents are connected and all the stats are displayed…
user226491
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DataStax OpsCenter ignoring proxy environment variable

we installed DataStax OpsCenter (v4.1.1) on a Debian 7.4 server. After starting the service, the following error is logged in /var/log/opscenter/opscenterd.log: ERROR: Trying to download…
Sebastian
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opscenter "services" tab greyed out

Was hoping to set up an s3 snapshot with my cassandra cluster running opscenter 5.2.4/Cassandra 2.2.7 but for some reason the services menu is greyed out. Cluster stats and information seem fine so it can at least connect to all my nodes. Anyone…
Ethan Shrago
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How to install old version of datastax-agent for opscenter in cassandra

when i am trying to manually install agents through yum latest version of agent is getting installed rather than the version i am currently using, how can i install the version of agent i want do i need to specify anything in datastax repo ?? I…
user6288321
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OpsCenter 5.1.3 tells agents wrong host IP

When adding new Cassandra nodes to the cluster we also start up the DataStax agent. After some time the agent is shown as not being connected anymore. Whenever we restart the agent the following error is logged: ERROR [Initialization] 2015-12-15…
Severin Leonhardt
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Why can't I create nodes on EC2 default network with OpsCenter 5.2.1?

I've had to update our DataStax OpsCenter service from 5.1.3 to 5.2.1 because when I tried to add a new node to our Cassandra Cluster (DSE 4.6.6 on Amazon EC2) it said that "No nodes were available to retrieve a configuration from." Updating to…
kuteninja
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Datastax Agent 5.1.3 Short os-stats collector failed

after starting datastax agent 5.1.3 on our new servers we are getting following error in the agent.log. ERROR [os-metrics-6] 2015-08-05 13:49:41,565 Short os-stats collector failed java.lang.NullPointerException at…
Olqs
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Opscenter 5.2 missing data for 1day and 1week graph scale

I recently update Opscenter from 5.1 to 5.2, and yesterday just discovered that if I select different 1day or 1week graph scales no data will be shown in the graph. I checked the logs and the chrome console and no issue there, the requests just got…
Luigi
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