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

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3
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2answers
117 views

opscenter REST API when authentication is enabled

I enabled authentication on my opscenter node as per this . I've a python script that periodically invokes opscenter actions through the Opscenter REST APIs. From the REST API documentation, it looked ...
3
votes
0answers
46 views

Adding cluster to Opscenter fails intermittently due to Enterprise functionality: False

I am working with a OpsCenter 5.1.1 installation, while trying to add an existing DSE 4.6.5 cluster containing 5 nodes via the API. The options passed set the storage_cassandra variables for storing ...
2
votes
1answer
3k views

datastax-agent Cannot connect Error

Seeing an issue with the Opscenter Agents. Opscenter reports the agents are not connected and in the agent.log on each node, they all report the following: ...
2
votes
1answer
892 views

Datastax community edition in windows - Error in creating the test cluster

I recently installed Datastax community edition for windows. As per the installation manual, after successful installation, the Ops Center is supposed to open and show the status of the Test Cluster. ...
2
votes
1answer
451 views

Problems gettings datastax-agent (DSE 4.0.2) working with opscenter (4.1.2), IllegalArgumentException

I guess the question is: why isn't this working? I'm a bit stuck because there isn't much in the way of documentation on the agent itself, and the exception (seemingly from Clojure) isn't particularly ...
1
vote
1answer
705 views

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 ...
1
vote
1answer
582 views

Opscenter can not connect to the nodes

Our opscenter can not connect to the nodes, in the logs the next error appears: 2015-08-17 08:56:37+0200 [SNPaware_Cluster] INFO: Nodes with agents that appear to be no longer running: 172.31.7.245, ...
1
vote
1answer
426 views

Cannot add an existing Cassandra cluster to OpsCenter ('ascii' codec can't encode character)

While trying to add an existing Cassandra cluster to OpsCenter I encountered the following error: Error creating cluster: 'ascii' codec can't encode character u'\u03a7' in position 0: ordinal not ...
1
vote
1answer
235 views

Datastax OpsCenter 5.1 fails to backup 'All Keyspaces'

We recently upgraded our company servers (Datastax Enterprise 4.5.3) to DSE 4.6.0. The only problem we face with that is the new Backup Service, in which we are unable to create a backup for "All ...
1
vote
1answer
1k views

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: ...
1
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0answers
231 views

datastax opscenter Unable to find a matching cluster for node with IP

I'm trying to configure a new OpsCenter 5.2.2 manually to a newly launched and running Cassandra Cluster 2.0.17, so I add a cluster conf file, start the OpsCenter, which then creates the CF OpsCenter, ...
1
vote
1answer
644 views

OpsCenter 5.2 cannot connect to multi-dc cluster

We have two data centers (192.X.X.X and 10.X.X.X) between which gossip (port 7001) is possible but not thrift or the native protocol. OpsCenter runs on a node in the first data center (192.X.X.X). ...
1
vote
0answers
657 views

OpsCenter - DSE Cassandra - Cannot achieve consistency level LOCAL_ONE

I am running into this error on a OpsCenter node with DSE Cassandra installed locally. It is in it's own DC and part of a cluster with three other nodes in another DC. Authentication is enabled on ...
1
vote
0answers
55 views

Trouble configuring Opscenter (5.1.1) Email alerts

I was wondering if anyone could assist me in figuring out why my opscenter email alerts aren't working. My environment is docker running in native network mode with opscenter in a container. ...
1
vote
3answers
3k views

DataStax OpsCenter agent fails to start when Cassandra requires authentication

Problem I can not get OpsCenter get to connect to datastax-agent. It seems that datastax-agent starts and tries to connect to cassandra, fails because it does not know the correct credentials, but it ...
1
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0answers
419 views

Repairing OpsCenter rollups60 Results in Snapshot Errors

I am running a 6 node cluster using Apache Cassandra 2.1.2 with DataStax OpsCenter 5.0.2 from the AWS EC2 AMI "DataStax Auto-Clustering AMI 2.5.1-hvm" (DataStax Community AMI). When I try to run a ...
1
vote
1answer
220 views

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 ...
1
vote
1answer
76 views

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 ...
1
vote
1answer
171 views

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 ...
1
vote
1answer
569 views

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 ...
1
vote
1answer
129 views

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 ...
1
vote
1answer
219 views

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 ...
0
votes
1answer
42 views

Why do I see 3 node rings in the DSE OpsCenter

Simple Newby question. I've booted 3 instances up in EC2, a cassandra, solr and spark node. I thought they would appear as a single clustered ring in the OpsCenter, but they actually appear as 3 ...
0
votes
1answer
119 views

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 ...
0
votes
1answer
1k views

OpsCenter 5.0: No Data on Dashboard Graphs

I have an OpsCenter 5.0 instance running and 10 agents connected. The agents are in 2 regions in AWS, so everything is using external addresses to communication. All the necessary ports are open, ...
0
votes
2answers
579 views

CentOS: OpsCenter does not see other node's agent

I'm new with Apache Cassandra. I am trying to install a little sample cluster using two CentOS server. I followed the documentation (Tarball installation) and the nodes are up. However, when I go to ...
0
votes
1answer
108 views

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 ...
0
votes
1answer
115 views

Opscenter not showing disk info

I'm using opscenter 5.1.3 with cassandra 2.1.7 in Ubuntu 14.04 with lvm disks. Opscenter shows all information except disk utilization and storage capacity and keeps saying that it has trouble ...
0
votes
1answer
133 views

OpsCenter 5.0.1 - xhrstream HTTP Get request cancelled - 0 of 0 agents connected

Connecting to OpsCenter 5.0.1 on OSX Yosemite on the latest Google Chrome 39.0.2171.99 (64-bit) results in these tcp xhrstreams requests being cancelled and i get a message stating 0 of 0 agents ...
0
votes
1answer
934 views

OpsCenter seems to not read configuration file

I have just installed OpsCenter 5.0, using "DataStax All-in-One Installer" on Linux. I have tried to add authentication by setting the following in /etc/opscenter/opscenterd.conf: [authentication] ...
0
votes
1answer
43 views

How to copy perf graphs from one user to another in datastax OpsCenter?

I have lots of perf graphs in datastax OpsCenter under my "admin" user. I've created a new read-only user that i can let anyone in the company use, but how do i copy all the already configured perf ...
0
votes
1answer
383 views

Opscenter 4.1.4: Authentication failing

I'm getting authentication errors when starting the opscenter agents on each of my cassandra (v1.2.5) nodes: INFO [main] 2014-07-23 12:18:03,880 Starting Stomp INFO [main] 2014-07-23 12:18:03,881 SSL ...
0
votes
0answers
11 views

Managing multiple clusters in Opscenter Datastax?

We have 3 clusters in three different environments. wanted to manage all the three clusters from a single opscenter server. 6Dev, 6 QA, 6 non prod clusters and every cluster has multi DC environment ...
0
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0answers
30 views

LDAP Cassandra OpsCenter Configuration With AD

I have an OpsCenter that I need to connect to AD. The relevant configuration below: [authentication] enabled = True authentication_method = LDAP audit_pattern = ldaplog [ldap] server_host = ...
0
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0answers
45 views

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 ...
0
votes
1answer
56 views

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 ...
0
votes
0answers
84 views

OpsCenter 5.2 still views a keyspace after DROP via cqlsh

After dropping a keyspace via cqlsh we can still see it on OpsCenter. The following error was seen in the log: Error deleting keyspace: ErrorMessage code=2300 [Query invalid because of ...
0
votes
1answer
114 views

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 ...
0
votes
0answers
95 views

OpsCenter 5.2.0 - Event log view error: “Undefined name target_node in selection clause”

I've got an upgraded instance from OpsCenter 5.1 to 5.2. When I try to look at the event log, I receive this error in the UI: Error loading events: code=2200 [Invalid query] message="Undefined name ...
0
votes
0answers
123 views

Cassandra - DataStax OpsCenter: Error provisioning cluster

I installed Cassandra on my local mac, together with opscenter from DataStax. When I create the new cluster, it gives me the error: Error provisioning cluster: Unable to login to some nodes. ...
0
votes
1answer
228 views

OpsCenter 5.1.2 fails to start with SSL enabled on CentOS 5

This applies to OpsCenter 5.1.0 and 5.1.1 as well. I got the following error when trying to run OpsCenter 5.1.2 on a CentOS 5 server: Unhandled Error Traceback (most recent call last): File ...
0
votes
0answers
306 views

Datastax Installation Opscenter errors

I am installing a 5 node cluster of Datastax Enterprise 4.7 on 5 separate AWS instances. I have gone through the installation process (simple install) and it appeared to succeed. However, upon ...
0
votes
1answer
1k views

OpsCenter 5.1 add existing cluster

I have recently removed the old opscenter and installed new opscenter Opscenter 5.1. When I am trying to add existing cluster to opscenter I keep getting error "Error creating cluster: Timeout while ...
0
votes
0answers
219 views

DataStax OpsCenter Agent Service doesn't report on CentOS, binary works fine

I have OpsCenter 5.0.2 running on a node, and Cassandra 2.1.2 and the Agent 5.0.2 running on another node. I installed both OpsCenter and the Agent using yum/rpm on CentOS 7. I have no problem using ...
0
votes
0answers
1k views

Opscenter is connected to datastax agents but no data available

We installed opscenter and datastax agents on a cluster with private network through datastax community packages. Configurations seems to be ok and we don't have connectivity issues on jmx or stomp. ...
0
votes
2answers
342 views

Agent connected to Opscenter but no data available

I'm currently running Cassandra, the OpsCenter, and the OpsCenter agent all on my dev Windows box. The agent is successfully connected to OpsCenter and I can see it listed there along with the amount ...
0
votes
1answer
390 views

Datastax opscenter 5.0.1: can't create a new cluster

I can't create a new cluster using datastax opscenter 5.0.1 I can add the datastax agent to node on a existing cluster but can't create one (ports are opened, ssh connection OK, sudo works for the ...
0
votes
1answer
409 views

Can't get datastax-agent to run on a new node

I'm trying to install the datastax-agent on a new CentOS node (there are 3 other nodes currently up and running correctly). After installing the datastax-agent via the Opscenter UI it appears to ...
0
votes
1answer
138 views

Multiple data centers and DataStax OpsCenter

Multiple questions regarding DataStax OpsCenter. I am evaluating for our use OpsCenter 5.0.1 I am able to build a cassandra cluster using opscenter sucessfully. However, all nodes belong to one ...
0
votes
0answers
185 views

Opscenter 5 setup error on adding existing cluster

I've got an existing Cassandra cluster (Datastax Community v2.1, Linux). I've downloaded 2.0.10 on a separate box (Win) just to use Opscenter (v5). I add ('manage') the existing cluster by simply ...