45 search results

• High Availability: Can I replicate my own MySQL database using the failover mechanism supplied by Bright?
  
  Answer: Yes.   All the MySQL databases can be replicated between the active and passive, not just CMDaemon and Slurm. (Have a look in the Admin Manual for ...
  
  
• Configuring: How do I replicate additional non-Bright databases?
  
  Answer:  How do I replicate additional non-Bright databases? Sometimes the cluster administrator may arrange for more databases to be configured for a non-Bright application. These are independent ...
  
  
• Workload Management: Does Bright write to the Slurm Accounting Database?
  
  Answer: Bright Cluster Manager does not write to the Slurm accounting database. ...
  
  
• High Availability: How do I clone additional MySQL databases in a Bright Cluster?
  
  Answer:   How do I clone additional MySQL databases in Bright Cluster?   The following steps show an example method that has been verfied on Bright 7.3 and 8.0   1. ...
  
  
• Day-to-day Administration: My LDAP server won't start because the database is corrupt. How do I fix it?
  
  Answer: My LDAP server won't start because the database is corrupt. How do I fix it?   Possible cause OpenLDAP uses a storage format (BerkeleyDB) which is known to ...
  
  
• Workload Management: How can UGE use PostrgreSQL for the spooling Database?
  
  Answer: How can UGE use PostrgreSQL for the spooling Database?   For  clusters running UGE, its plain text spool is rarely a performance bottleneck.   For busy enough clusters the ...
  
  
• Cluster Management: My cluster is showing odd errors. What should I do?
  
  Answer: A cluster can sometimes show general weirdness, throwing up odd non-specific errors.   A checklist of suggestions to go through first:   1. check the hardware. Burn tests such as ...
  
  
• Day-to-day Administration: How do I solve a yum update failure problem?
  
  Answer: Depends what the failure is. If it is due to a corrupt rpm database, then a cure that often works is to run something like ...
  
  
• Day-to-day Administration: How do I clone the monitoring data ?
  
  Answer: How do I clone the monitoring data database ?   The monitoring data is a database of the results of healthcheck and metric monitoring. CMDaemon deals with ...
  
  
• General: Is upgrading from version 5.2 to 6.0 possible by changing the download repositories?
  
  Answer: No.   You can't  upgrade directly from 5.2 to 6.0 because the APIs and CMDaemon database have changed significantly. Trying to do this would be pretty complicated ...
  
  
• Cluster Management: I've revoked a certificate, how can I remove it?
  
  Answer: You can't.   Certificates that have been issued and/or revoked, cannot be removed with Bright Cluster Manager. This is because even if you would be able to ...
  
  
• Cluster Monitoring: How can I monitor a CoolIT rack with Bright?
  
  Answer: How can I monitor a CoolIT rack with Bright?   CoolIT is a vendor of water-cooled racks that have sensors to monitor the rack. CoolIT racks can ...
  
  
• Big Data: How can I add Apache Oozie to my Hortonworks HDP 2.3.0 Hadoop instance?
  
  Answer: How can I add Apache Oozie to my Hadoop instance?   Apache Oozie is a workflow scheduler system to manage Apache Hadoop jobs. Here we describe how ...
  
  
• Installing BCM: Adding Bright to an existing system doesn't work! What now?
  
  Answer: Adding Bright to an existing system doesn't work! What now?   The manual does discourage using the add-on method. If the prerequisites listed in the manual are ...
  
  
• User Management: How do I change the OU in LDAP?
  
  Answer: How do I change the OU in LDAP for Bright?   This is two step process: 1. Make LDAP use an HDB database instead of an BDB database. 2. ...
  
  
• Configuring: How do I install FreeIPA onto a Bright Cluster?
  
  Answer: How do I install FreeIPA onto a Bright Cluster?1. Install packages:# yum -y install ipa-server2. Stop LDAP server:# cmsh -c "device services master; stop ldap"3. ...
  
  
• User Management: How do I define a password policy in LDAP?
  
  Answer: How do I define a password policy in LDAP?   Changing the default password hash algorithm   (Tested on RHEL6. For RHEL7 some steps may not be valid) passwd-hash configures ...
  
  
• User Management: How do I authenticate against Active Directory using Centrify?
  
  Answer: How do I authenticate against Active Directory using Centrify?'   Centrify aims at making integration of Linux and Mac OS X systems as easy as possible. It ...
  
  
• Big Data: How can I import data from MySQL to Hadoop with Apache Sqoop?
  
  Answer: How can I import data from MySQL to Hadoop with Apache Sqoop?   This is best explained with an example.   Apache Sqoop is a data transfer tool used ...
  
  
• Big Data: How can I add Apache Oozie to my Hadoop instance?
  
  Answer: How can I add Apache Oozie to my Hadoop instance?   Apache Oozie is a workflow scheduler system to manage Apache Hadoop jobs. Here we describe how ...
  
  
• OpenStack: How do I install OpenStack's Trove into Bright?
  
  Answer: How do I install OpenStack's Trove into Bright?   Trove is OpenStack's reference database service. At the time of writing it is undergoing heavy development. This means ...
  
  
• OpenStack: How do I install Cloud Foundry on Bright OpenStack?
  
  Answer: Cloud Foundry installation on Bright Openstack   1- A working Openstack environment, API access, credentials, and a working networking configuration with metadata access is assumed.   Running  the following ...
  
  
• User Management: How do I authenticate against Active Directory Using SAMBA/WINBIND?
  
  Answer:   How do I authenticate against Active Directory (AD) ?   There are a lot of ways to do this.  How Do I Integrate Bright With Active Directory ...
  
  
• Configuring: How do I add a login node?
  
  Answer:   How do I add a login node?   Table of contents   Why have a login node?What do we need to consider for login nodes?1. Make a login image ...
  
  
• OpenStack: How can OpenStack be deployed on a Bright 7.0 HA Cluster?
  
  Answer: Notes on deploying OpenStack on HA ClustersWe start with a single headnode cluster: - deploy openstack - add second headnodeRequirements: Bright Cluster Manager 7.0  (OpenStack Icehouse)One ...
  
  
• OpenStack: How do I deploy Bright OpenStack 7.1 (Juno) on an HA cluster?
  
  Answer: Deploying a Bright OpenStack 7.1 cluster is explained here. The deployment is described for OpenStack running with or without Ceph storage. For Deployments withouth Ceph, ...
  
  
• OpenStack: How can I integrate Bright OpenStack 7.1 Keystone with LDAP/AD?
  
  Answer:     How can I integrate Keystone with LDAP?Here it is assumed that OpenStack was set up by Bright Cluster Manager 7.1 and is up and running.   The ...
  
  
• General: How do I upgrade to Bright 8.1?
  
  Answer:   How do I upgrade from Bright 6.0/6.1/7.0/7.1/7.2/7.3/8.0 to Bright 8.1?   The procedure below can be used to upgrade a Bright 6.0 or 6.1 or 7.0 or ...
  
  
• OpenStack: How can I install OpenStack Magnum from source on BCM 8.1?
  
  Answer:   This KB describes how to install and configure the Container Infrastructure Management service, code-named Magnum, on the OpenStack controller. The procedures were tested on a BCM ...
  
  
• Big Data: How can I add Apache Oozie to my Hortonworks Hadoop instance?
  
  Answer: How can I add Apache Oozie to my Hadoop instance?   Apache Oozie is a workflow scheduler system to manage Apache Hadoop jobs. Here we describe how ...
  
  
• Big Data: How can I add Apache Oozie to my hadoop Cloudera CDH 5.7.1 instance (based on
  
  Answer: How can I add Apache Oozie to my Hadoop instance?   Apache Oozie is a workflow scheduler system to manage Apache Hadoop jobs. Here we describe how ...
  
  
• Workload Management: How to install Gold Allocation Manager on top of Bright Cluster
  
  Answer: How to install Gold Allocation Manager on top of Bright Cluster Gold Allocation Manager is an HPC resource accounting tool. It is open source, and released ...
  
  
• OpenStack: How do I extend an OpenStack cluster with extra controller/network nodes?
  
  Answer:   How do I extend an OpenStack cluster with extra controller/network nodes?   Scenario: You have installed OpenStack with one controller. Now you want to add two more controllers ...
  
  
• General: How do I upgrade to Bright 8.0 ?
  
  Answer:   How do I upgrade from Bright 6.0/6.1/7.0/7.1/7.2/7.3 to Bright 8.0?   The procedure below can be used to upgrade a Bright 6.0 or 6.1 or 7.0 or ...
  
  
• OpenStack: How to use GPFS with Bright Openstack 7.3 and higher.
  
  Answer: How can Bright OpenStack be connected with GPFS? This article explains how GPFS can be set up as a storage backend for Bright OpenStack (Cinder, Nova, ...
  
  
• Containers: Installing NVIDIA docker on Bright 8.0
  
  Answer: Preliminary support for NVIDIA docker has been implemented for 8.0, deeper integration with Bright Cluster Manager is still a work in progress.   It is recommended to ...
  
  
• OpenStack: How do I integrate OpenStack Designate with my Bright 8.1 cluster and BIND DNS server?
  
  Answer: Initial Bright Configuration (on the head node)1. Create Bright OpenStack designate user.# cmsh% openstack% users% add designate% set password <chosen_password>% commit2. Assign necessary role to ...
  
  
• OpenStack: How do I configure Manila in Bright OpenStack 8.0/8.1?
  
  Answer: This article explains how to deploy the Manila file sharing service in a Bright Openstack cluster. In this deployment CephFS will be used as the ...
  
  
• OpenStack: How do I integrate Ironic with Bright OpenStack 8.2?
  
  Answer:   NOTE:  The guidance given in the following text is based on an investigation by Bright engineers. The end result is an Ironic integration that proved to ...
  
  
• General: How do I upgrade to Bright 8.2?
  
  Answer: How do I upgrade to Bright 8.2?   Upgrades to Bright 8.2 are now supported for the following Linux distributions and Bright versions.   Supported Linux distributions and Bright ...
  
  
• Workload Management: Why is my workload manager configuration changed by Bright?
  
  Answer: Why is my workload manager configuration changed by Bright?   Or perhaps:   How do I make configuration changes to the workload manager (WLM) permanent?   If the configuration changes of ...
  
  
• Cluster Monitoring: Why do I have no monitoring history for disk-related metrics?
  
  Answer: Why do I have no monitoring history for disk-related metrics? (or, approaching this issue from the other side) Too many disks are causing too many metrics -- ...
  
  
• User Management: How can I set the default shell for new users?
  
  Answer: I would like to define the default shell assigned to new users that are created.  How do I do this?   Users are managed in an LDAP ...
  
  
• Configuring: How do I configure my hardware RAID controller from an initialize script?
  
  Answer: How do I set up a hardware RAID controller from an initialize script?   An initialize script is used when custom commands need to be executed before ...
  
  
• Cluster Management: How do I purge/expire my MySQL binary logs?
  
  Answer: I have unfeasibly large mysql .bin logs filling up my /var partition! How do I free up the space they are taking up? Can I ...