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- Cloudbursting: How do I configure cloud nodes on the fly? Answer: How do I configure cloud nodes on the fly? To start or stop cloud nodes dynamically according to current jobs needs you can use the cloud-resize ...
- High Availability: How do I rename my head nodes? Answer: I've got a failover setup. How do I rename my head nodes? The following works even if you are exchanging names: Eg: head 1 is a white ...
- Configuring: How do I make regular nodes return an FQDN using 'hostname -f'? Or resolve the Answer: How do I make regular nodes return an FQDN using 'hostname -f'? Or resolve the hostnames to IPs on the external network? There are two ways ...
- Node Provisioning: How can I flash update all my nodes (from DOS)? Answer: How can I flash update all my nodes (from DOS)? (For update via Linux, see http://kb.brightcomputing.com/faq/index.php?action=artikel&cat=11&id=105 ) The problem:I have to perform some maintenance on the nodes ...
- Configuring: How do I stop nodes from accessing the internet? Answer: How do I stop nodes from accessing the Internet? By default all compute nodes use the head node as its default gateway, and the head node ...
- Node Provisioning: How do I automatically plug in new nodes and assign it an identity in Bright? Answer: How do I automatically plug in new nodes and assign it an identity in Bright? The following technique can save labor, when you are adding a ...
- Software Management: Why has my software suite has vanished from the bunch of nodes I installed it Answer: Most likely you installed the software directly onto those nodes instead of on the "software image". Then, after a reboot of the nodes, whatever you ...
- Cloudbursting: How do I use EBS volume snapshots to boot my cloud nodes? Answer: Why should I use snapshots? Because it reduces the provisioning times of your cloud nodes. Some more background details By default, all newly-created cloud nodes, and their associated ...
- NVIDIA DGX: How do I add NVIDIA DGX nodes to a Bright cluster using the official Ubuntu Answer: How do I add NVIDIA DGX nodes to a Bright cluster using the official Ubuntu DGX software stack? Bright provides a software image for the official ...
- 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 ...
- High Availability: How to Install Lustre with ZFS and HA for OSS and MDS Nodes Answer: Prerequisites: 2 OSS nodes connected via SAS over multiple paths to their own JBOD shared storage (minimum eight drives) 2 MDS nodes connected via SAS over multiple ...
- Configuring: How do I install LUKS/NBDE onto Bright nodes? Answer: How do I use LUKS + NBDE "Network-Bound Disk Encryption" to encrypt data on regular Bright nodes? Introduction: This FAQ describes how to use Network-Bound Disk Encryption ...
- Node Provisioning: My regular nodes aren't booting up after an update, why? What now? Answer: Some updates in the software image require recreating the initrd. Bright Cluster Manager is not aware of such updates. As result, when regular nodes are rebooted, ...
- Configuring: Can I dual-boot my nodes between Linux and Windows? Answer: There are a number of ways to set up nodes that dual-boot between Linux and Windows. Bright Cluster Manager cannot provision Windows images to compute ...
- Node Provisioning: How can I flash update all my nodes (from Linux)? Answer: How can I flash update all my nodes (from Linux)? (For update via DOS, see http://kb.brightcomputing.com/faq/index.php?action=artikel&cat=20&id=94 ) Some manufacturers like Dell provide a flash BIOS upgrade utility ...
- Initialize And Finalize Scripts: How do I use the finalize script to transfer certificates to the nodes? Answer: How do I use the finalize script to transfer certificates to the nodes? In many cases, it might be desired to use node-specific certificates for certain ...
- Cluster Monitoring: How do I run a health check only for a specific set of nodes? Answer: With Bright 8.x this can be done using nodeexecutionfilters. Example: Modifying the megaraid health check to only be run on a specific set of nodes rather than ...
- 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 ...
- Third Party Software: How can I use CUDA MPS with Bright? Answer: Introduction CUDA MPS is a feature that allows multiple CUDA processes to share a single GPU context. A CUDA program runs in MPS mode, if the ...
- Power Management: Setup up custom power scripts for ProfitBricks Answer: Custom Power Scripts for controlling ProfitBricks Instances Prerequisites To use dynamic scaling of clusters on ProfitBricks’ IaaS platform you have to install a head node in a ...
- Workload Management: How do I integrate externally executed UGE/SGE server with Bright Cluster Manager 6.0? Answer: Mount the $SGE_ROOT directory from your external server that is to be managed by the Bright Cluster Manager (BCM) head node. Make sure that q* ...
- 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 ...
- Workload Management: How do I call Slurm utilities from nodes that run no slurmdbd? Answer: On a node, some Slurm utilities such as sacct need to connect to the slurmdbd daemon. slurmdbd in turn talks to mysql. If the node ...
- Installing BCM: What is a product key? Answer: What is a product key? A product key is used to unlock a license. When you get a Bright Cluster Manager DVD, there is a license included ...
- General: Should I upgrade to a new version? I've got everything running perfectly on my current Answer: It is important to distinguish between updates and upgrades. Updates Package updates are provided through Bright's YUM/Zypper repositories. It is recommended to check for new updates on ...
- Node Provisioning: Timeouts during loading of InfiniBand drivers make my filesystem clients fail. Is there a workaround? Answer: Yes. Driver modules load in a hierarchy (a dependency chain), and delays due to non-standard use can cause timeouts as one particular driver module may not ...
- Configuring: How can I easily check the InfiniBand network is being used rather than my gigabit Answer: A no-brainer way to verify your IB network is working with MPI is to run an MPI benchmark and see if it is running at ...
- Initialize And Finalize Scripts: How do I handle network interfaces swapping names? Answer: How do I handle network interfaces swapping names? eth0 keeps changing randomly on boot to eth1 and vice versa. There are two ways to handle this ...
- Node Provisioning: How do I set up a root FS over Lustre? Answer: How do I set up a root FS over Lustre? This article describes how to configure a cluster so that the compute nodes mount their root ...
- Third Party Software: How do I integrate GPFS 3.x with Bright? Answer: How do I integrate GPFS with Bright? GPFS can be integrated with Bright in two ways. Either by mounting a GPFS filesystem on an existing Bright ...
- Third Party Software: How do I run the HPL test on a Bright Cluster? Answer: How do I run the HPL test on a Bright Cluster? What is HPL? Slightly rewording from http://www.netlib.org/benchmark/hpl/: HPL is a software package that solves a random, dense ...
- Configuring: How do I add an alias interface? Answer: How do I add alias interfaces to the regular nodes? [Background note: IP aliasing allows you to configure multiple IP addresses on one physical interface. This ...
- Day-to-day Administration: Can I mix Linux distributions on my cluster? Answer: Can the Bright Cluster Manager (BCM) be used to manage a mix of Linux distributions within the same cluster?Yes. Introduction With BCM, multiple, different images can be ...
- Software Management: Why do mails flood in after updating my software image? Answer: Short answer Because there is probably some mail generated in the mail spool in the software image. When, and on which versions does it happen? This issue occurs ...
- Workload Management: How do I setup the Torque 2.5 package on Bright Cluster Manager 6.0 cluster? Answer: By default, Torque 3.x (name of packages: torque and torque-client) is setup on a Bright Cluster Manager 6.0 cluster. However Torque 2.5.x is sometimes preferred by ...
- Software Management: How do I add a Bright ISO as a YUM repository? Answer: How do I add a Bright ISO as a YUM repository? or How do I update my cluster from a new Bright ISO that I just downloaded? Outline If ...
- Third Party Software: How can I use the Intel VTune XE with Bright? Answer: Introduction Intel's VTune Amplifier is a commercial application for performance analysis on 32 and 64-bit x86 based machines, and has both GUI and command-line interfaces. Basic features ...
- User Management: How do I integrate Bright with AD Using SSSD 's LDAP provider and Simple BIND? Answer: How do I integrate a Bright cluster into an Active Directory domain with SSSD 's LDAP provider? (The method in "How do I authenticate against Active ...
- Installing BCM: Does Bright work with a 10 Gig-E switch? Answer: Is it possible to deploy a Bright Cluster using 10 Gig-E switches instead of 1 Gigabit switches? Yes. But make sure that your 10 Gig-E NICs can ...
- Installing BCM: How do I upgrade my cluster if I have a storage node that is being Answer: How do I update a cluster with a storage node that is shared? Upgrading with a Storage Node Special considerations must be made when upgrading Bright versions ...
- Installing BCM: How do I install Bright on Virtual Box? Answer: How do I install Bright on Virtual Box? Prerequisite: In order to use PXE booting, the VirtualBox Extension Pack should be installed. Create a Virtual Machine (VM) for ...
- Big Data: How can I patch Apache HBase 1.2.x for the Kerberos TGT renewal issue? Answer: How can I patch Apache HBase 1.2.x for the Kerberos TGT renewal issue?The Problem HBase stops working after 24 hours. Restarting all HBase services will fix ...
- Installing BCM: How do I run Bright under MS Windows Server Hyper-V (Windows Server 2012R2)? Answer: How do I run Bright under MS Windows Server Hyper-V (Windows Server 2012R2)? This article walks you through an install of Bright under Microsoft Hyper-V (Windows ...
- OpenStack: How do I set up Cluster as a Service (CaaS) on Bright OpenStack 7.2? Answer: Cluster as a Service on Bright OpenStack 7.2 [The following notes explain setting up a clusters as a service in Bright Cluster Manager. This ...
- Third Party Software: How do I use ScaleMP on Bright? Answer: How can I run ScaleMP on Bright? This guide describes how to use ScaleMP’s vSMP for Cloud product to create virtual SMP nodes in a cluster. Installing ...
- OpenStack: How do I set up Cluster as a Service (CaaS) on Bright OpenStack 7.1? Answer: Cluster as a Service on Bright OpenStack 7.1 [The following notes explain setting up a clusters as a service in Bright Cluster Manager. This means that ...
- Workload Management: How do I integrate Univa Grid Engine with Bright Cluster Manager? Answer: How do I integrate Univa Grid Engine with Bright Cluster Manager? For updated versions of Bright Cluster Manager version 7 and beyond, UGE is integrated with ...
- 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 ...
- 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 ...
- Configuring: What is cm-register-node, and how can I use it? Answer: What is cm-register-node, and how can I use it? (was: How can I add an SGI UV node to an existing Bright Cluster?) Written in catechismic ...