Stack Overflow
Stack Overflow

Questions tagged [opscenter]

OpsCenter is a management tool for Apache Cassandra and DataStax Enterprise provided by DataStax.

Documentation for DataStax Opscenter can be found on the Datastax website.

325 questions
2
votes
0 answers

DataStax OpsCenter 6.0 won't start if HTTPS is enabled

I recently upgraded DSE to 5.X and OpsCenter to 6.0. Everything works great except the OpsCenter fails to start if I enable HTTPS using our own wildcard certificates. I have .pem file with cert chain and .key file with password removed. Same setup…
user5467828
  • 31
  • 2
2
votes
2 answers

Opscenter 6.0 Start up issue

Yesterday, I tried to install opscenter and initiated import of existing DSE 5.0 cluster. It failed with certain errors which pointed out that installed version was not opscenter 6.0. root cause - opscenter installation was done from datastax…
SumitSharma
  • 63
  • 6
2
votes
2 answers

Meld error with Datastax Enterprise

Provisioning a DSE cluster with the lifecycle manager fails consitently. Master node (also the one OpsCenter is running on) installed correctly. Each one of the other nodes fails the install (also config) task. Have double-checked the SSH…
kostja
  • 60,521
  • 48
  • 179
  • 224
2
votes
2 answers

Failed to log in: 'NoneType' object has no attribute 'cancel'

I am trying to login in Cassandra Opscenter i started seeing this message.How to get around this. I was able to login yesterday also but from today morning i couldn't. I started seeing this error in opscenterd log file. Unhandled Error Traceback…
user6288321
  • 365
  • 4
  • 14
2
votes
2 answers

How to reset the admin password for Datastax Opscenter?

How can I reset the admin password in Datastax Opscenter? Will disabling and reenabling authentication in /etc/opscenter/opscenterd.conf do the trick? Will I lose any other data in the process?
Jon Buys
  • 507
  • 5
  • 15
2
votes
1 answer

DataStax OpsCenter v5.2.4 Create Cluster Error

Using DataStax OpsCenter v5.2.4 (currently the latest) installed using AMI ami-8f3e2bbf provided by DataStax and following DataStax's instructions on how to create a cluster on EC2, all DSE nodes fail during creation with this error: Install…
peterl
  • 1,881
  • 4
  • 21
  • 34
2
votes
1 answer

Storage capacity not displayed in Datastax Ops Center

I added new nodes in my DSE cluster and these are not reporting any storage capacity whereas : Nodes are up and running without any problems I can see them in the ring in Ops Center This only happens on new installed nodes with the same version…
vespasien
  • 183
  • 1
  • 1
  • 9
2
votes
0 answers

cassandra opscenter toggles between "agents failed to connect" and "all agents connected" every two or three minutes?

cassandra opscenter toggles between "agents failed to connect" and "all agents connected" every two or three minutes? I am not sure what is happening. It says all agents are connected for two to three minutes and then it says it has trouble…
user1870400
  • 6,028
  • 13
  • 54
  • 115
2
votes
1 answer

Understanding opscenter metrics with that of nodetool commands cfstats and cfhistograms results

I am working on benchmarking the cassandra cluster and hence using cassandra-stress tool. Able to insert 1M records in one of the table with replication factor as 2, CL as quorum, threads rate as 40, on 2 nodes and running stress from…
Arun
  • 1,692
  • 15
  • 24
2
votes
1 answer

Widgets and Graphs disappear in Datastax Opscenter‎ when I refresh browser

I installed Datastax Opscenter‎ and everything seemed fine initially. After some time all Widgets and Graphs disappeared from the Dashboard. I can added them, but each time I refresh the browser they all disappear and Dashboard is empty. Anyone…
Tomas
  • 675
  • 1
  • 9
  • 18
2
votes
1 answer

Which permissions does datastax-agent need?

I am using internal Datastax Enterprise authentication. This means I need to give datastax-agent username and password to access my database. Which privileges does its username need? To which keyspaces? Feel free to refer me to documentation as I…
Ztyx
  • 14,100
  • 15
  • 78
  • 114
2
votes
1 answer

OpsCenter cannot recognize Cassandra nodes in the same network

I am experimenting with Datestax OpsCenter 5.2 and Cassandra 2.1.7. One trouble I encountered is that OpsCenter daemon (i.e., the server) seems to try to connect to the Cassandra agents using the broadcast_rpc_address, which is blocked by the…
stackoverflower
  • 3,885
  • 10
  • 47
  • 71
2
votes
1 answer

Is it possible to configure OpsCenter Backup Service differently per datacenter?

DSE 4.5.8, OpsCenter 5.1.3. We are running a multi-region cluster, with 6-nodes running in one DC, and 1 node running as a backup in a remote DC. RF is 3 in DC1, 1 in DC2. After enabling the OpsCenter backup service, the single node in the remote DC…
Ran Rubinstein
  • 2,305
  • 1
  • 14
  • 7
2
votes
1 answer

Not able to run datastax-agent-5.1.3

I am facing issues in running datastax-agent. I am getting the following error. INFO [main] 2015-06-10 10:57:18,076 Starting Jetty server: {:join? false, :ssl? false, :host nil, :port 61621} INFO [StompConnection receiver] 2015-06-10…
Harvinder Singh
  • 681
  • 7
  • 20
2
votes
1 answer

Backups folder in Opscenter keyspace growing really huge

We have a 10 node Cassandra cluster. We configured a repair in Opscenter. We find there is a backups folder created for every table in Opscenter keyspace. It keeps growing huge. Is there a solution to this, or do we manually delete the data in each…
kris433
  • 414
  • 5
  • 17
1 2
3
…
21 22