Questions tagged [opscenter]
DataStax OpsCenter makes it possible to manage Apache Cassandra and DataStax Enterprise clusters from a centralized web-based dashboard.
30
questions with no upvoted or accepted answers
3
votes
0
answers
95
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
1
answer
1k
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
1
answer
749
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
0
answers
580
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 = ldap....
1
vote
0
answers
926
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
1
answer
1k
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
0
answers
2k
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
0
answers
315
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
0
answers
837
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
1
answer
585
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 ip-...
1
vote
1
answer
226
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
1
answer
828
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
1
answer
175
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
1
answer
357
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 https://...
0
votes
0
answers
189
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
1
answer
110
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
0
answers
234
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
1
answer
2k
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
0
answers
320
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
0
answers
2k
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
1
answer
616
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
0
answers
652
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 ...
0
votes
1
answer
1k
views
OpsCenter shows a datacenter as unknown even though the agents are connected
We added a datacenter to our cluster and it is shown as "Unknown DataCenter". The dashboard reports all the agents as connected, and neither the agents logs nor opscenter logs show any error.
The ...
0
votes
1
answer
149
views
opscenter build cluster failing on EC2
I'm trying to build a new Cassandra cluster on Amazon EC2 using Opscenter for development use.
I have installed Opscenter (v4.1.3) on an EC2 instance using the instructions on http://www.datastax.com/...
0
votes
1
answer
47
views
Cassandra Opscenter historical view
I recently upgraded the underlying machines of my Cassandra cluster (In AWS, from "old" to "current" generation hardware). I thought I'd be able to see if this had a performance impact in Opscenter.
...
0
votes
0
answers
76
views
OpsCenter API return all null values for os-cpu-* metrics
Invoking the metrics API (e.g., /cluster/metrics/node/os-cpu-idle?start=1397746020&function=average), I get all null values:
{
"192.168.4.101": {
"AVERAGE": [
[
1397746020,
...
0
votes
0
answers
238
views
NullPointerException during datastax agent startup
I installed DSE 4.0 and started the datastax agent and set up a 12-node cluster.
When I look in the opscenter console I see 0 nodes connected.
I see this exception in the agent log:
INFO [...
0
votes
0
answers
1k
views
OpsCenter doesn't display disk space
I've looked through multiple forum posts, I've turned on debug et al, and I still cannot for the life of me figure out why the disk space isn't working. ALL other information is filled--except for ...
-1
votes
1
answer
95
views
Cassandra versions supported in OpsCenter 5.1.0
We are planning to use Cassandra 2.0.11 but the latest OpsCenter 5.1.0 doesn't support creating a new cluster with Cassandra 2.0.11 package. It shows only 2.0.9. How do we proceed?
-2
votes
1
answer
836
views
DataStax OpsCenter - can't connect with agents
I've installed DataStax OpsCenter (Apache Cassandra) and in OpsCenter, there is an error: "0 of 1 agents connected". When I click "fix", enter credentials and try to install nodes, ...