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- 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 ...
- Configuring: Why is the Ethernet switch port-based identification not working? Answer: Why is the Ethernet switch port-based identification not working?IntroductionThe steps below will help you troubleshoot why port-based identification on an Ethernet switch might not be ...
- 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 ...
- 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 ...
- Software Management: Installing bacula installs pbspro, which I don't want. What should I do? Answer: Why does it happen? Bacula is a backup application, PBS Pro is a job scheduler. The two are quite unrelated, so why should bacula have a ...
- 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 ...
- 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 ...
- Configuring: How do I update behind a proxy? Answer: How do I update Bright if it is connected to the network behind a web proxy server? If you are sitting behind a network proxy server ...
- User Management: How can I migrate system users to LDAP? Answer: How can I migrate users and groups from /etc/passwd and /etc/group to Bright's LDAP? The following steps should be done on the head node. 1. Install 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: 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 ...
- General: Why is rsh not working? Answer: Why does RSH not work? Symptoms - rsh <hostname> <command> results in poll: protocol failure in circuit setup - /var/log/messages contains in.rshd message like “Could not allocate space ...
- Containers: How can I add Kubernetes to an air-gapped Bright Cluster? Answer: Kubernetes is most easily installed on a cluster that is able to access the internet. Some clusters don’t have Internet access, but it is still ...
- 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 ...
- 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 ...
- 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 ...
- 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 ...
- 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 ...
- Workload Management: How can a PBSPro Server installed externally get recognized by a head node? Answer: An externally installed PBS Pro server is not visible to Bright Cluster Manager, by default. But this can be made possible, with a few tricks, as ...
- General: How can Nagios be integrated with Bright Cluster Manager? Answer: Integrating Nagios with Bright Cluster Manager [This is only valid for Bright 7.2, and not for later versions.] The integration between Nagios and Bright is done via ...
- Configuring: How do I use Samba to share folders on a Bright Head Node? Answer: How do I share folders using Samba on a Bright Head Node? Basically: /etc/samba/smb.conf needs to be modified to add the required share, and shorewall rules ...
- 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 create an InfiniBand subinterface? Answer: How do I create an IB subinterface? Subinterfaces divide primary (parent) interfaces to provide traffic isolation. Partition assignments distinguish subinterfaces from parent interfaces. Subinterface creation and ...
- Security: Can I use Google Authenticator to connect to my cluster? Answer: Can I use Google Authenticator to connect to my cluster? Yes, Google Authenticator can be used to connect to the cluster via SSH and cmgui. Google ...
- 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* ...
- 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, ...
- Workload Management: How do I integrate a custom torque installation with Bright Cluster Manager? Answer: If you install torque using a path that is different from the standard BCM one, then you should carry out the following steps (BCM version ...
- 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 ...
- General: How can I configure Isilon's DNS and NFS with Bright? Answer: How can I configure Isilon's DNS and NFS with Bright? DNS setup for use with Isilon SmartConnect [1] The DNS running on the Bright head node can ...
- Workload Management: How do I add a submit host to GE? Answer: How do I add a submit host to GE (Grid Engine)? Edit /cm/local/apps/cmd/etc/cmd.conf and add the following advanced configuration parameter: # vim /cm/local/apps/cmd/etc/cmd.conf [...] AdvancedConfig = { "AdditionalSubmitHosts=<hostname>" } restart ...
- 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 ...
- 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 ...
- Software Management: Why do I have CUPS on my cluster? Answer: Why do I have CUPS on my cluster? I don't want CUPS opening up ports or trying to print! I don't even have a printer ...
- Power Management: How Do I monitor APM In An HP Apollo 8000? Answer: APM Monitoring Setup for An HP Apollo 8000 rack in Bright 7.x Static Routes: The head node can access the APMs through an intermediate host which has ...
- Containers: How do I expose a Kubernetes service to an external network in Bright 8.1? Answer: There are many ways of exposing a Kubernetes service to an external network. This article describes two methods of exposing Kubernetes to an external network. The methods ...
- Installing BCM: How can I add a custom module during installation of BCM? Answer: It is possible to add custom kernel modules during the head node installation. Adding custom modules can lead to possible instability issues, so it is ...
- 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: The VNC console URL isn't correct in the Horizon dashboard. How do I change it? Answer: You may modify the VNC proxy hostname in Bright which updates the VNC Console URL. ion the Horizon dashboard.This may be required as the VNC ...
- Configuring: How do I assign IP addresses to other devices (using DHCP)? Answer: If you have some additional devices which are to have a DHCP-provided IP address based on their MAC, but which are not regular compute nodes, ...
- 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 ...
- Installing BCM: How can I mass-produce Bright head node installations using PXE? Answer: An already-installed (or primary) Bright head node can be used to create a head node PXE image. Machines that are booted using PXE, from the ...
- High Availability: How do I configure PBSPro HA with DAS shared storage? Answer: How do I configure PBSPro High Availability with DAS shared storage? Bright Cluster Manager does not support HA (High Availability) for PBSPro when the shared storage ...
- OpenStack: How can I add multiple storage backends to Bright OpenStack? Answer: How can I add multiple storage backends to Bright OpenStack? The type of virtual machine storage that is needed can be configured, either by configuring flavors, ...
- Configuring: How do I customize postfix? Answer: Short answer: The standard linux way, on the head node only. For Bright Cluster Manager 7 onwards, the relay host can be managed by BCM in ...
- Containers: How do I expose a Kubernetes service to an external network in Bright 7.3/8.0? Answer: There are many ways of exposing a Kubernetes service to an external network. In this article, two methods are described. Each has its advantages and ...
- OpenStack: How do I add Ceph OSDs to an existing Ceph cluster? Answer: How do I add an OSD to a Ceph cluster manually? How to manually add an OSD to a Ceph cluster This procedure was tested on Bright ...
- 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, ...
- OpenStack: How do I set up PCI passthrough on OpenStack? Answer: How do I set up PCI passthrough on OpenStack? PCI passthrough on OpenStack This article describes how PCI passthrough can be used in Bright OpenStack. Two different ...