User contributions for Saurabh
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- 10:07, 11 May 2022 diff hist +396 m CentOS 7.x Rocks cluster 7.0 Update master and all compute nodes
- 09:58, 11 May 2022 diff hist +1,295 N CentOS 7.x Rocks cluster 7.0 Update master and all compute nodes Created page with "Home > CentOS > CentOS 7.x > CentOS 7.x Rocks cluster 7.0 > CentOS 7.x Rocks cluster 7.0 Update master and all compute nodes =Update master= To update use: # Edit files in '<tt>/etc/yum.repos.d/</tt>' and set enable=1. At least enabled repositories in: #* CentOS-Base.repo #* epel.repo #* rpmforge.repo # '''Ensure that''' in /etc/yum.conf, caching is enabled: #:<pre> #:: keepcache=1 #:</pre> # Then update the master node fully using: #:<pr..."
- 09:22, 11 May 2022 diff hist +70 m CentOS 7.x Rocks cluster 7.0
- 08:34, 11 May 2022 diff hist +32 m CentOS 7.x Rocks cluster 7.0 Son of Grid Engine sge role current
- 08:34, 11 May 2022 diff hist +6 m CentOS 7.x Rocks cluster 7.0 Son of Grid Engine sge role
- 08:33, 11 May 2022 diff hist +3 m CentOS 7.x Rocks cluster 7.0
- 08:33, 11 May 2022 diff hist +70 N CentOS 7.x Rocks cluster 7.0 Sun Grid Engine sge role Saurabh moved page CentOS 7.x Rocks cluster 7.0 Sun Grid Engine sge role to CentOS 7.x Rocks cluster 7.0 Son of Grid Engine sge role: Corrected name current Tag: New redirect
- 08:33, 11 May 2022 diff hist 0 m CentOS 7.x Rocks cluster 7.0 Son of Grid Engine sge role Saurabh moved page CentOS 7.x Rocks cluster 7.0 Sun Grid Engine sge role to CentOS 7.x Rocks cluster 7.0 Son of Grid Engine sge role: Corrected name
- 08:33, 11 May 2022 diff hist +87 m CentOS 7.x Rocks cluster 7.0 Son of Grid Engine sge role
- 08:31, 11 May 2022 diff hist +825 m CentOS 7.x Rocks cluster 7.0 Son of Grid Engine sge role
- 08:02, 11 May 2022 diff hist +1,866 N CentOS 7.x Rocks cluster 7.0 Son of Grid Engine sge role Created page with "Home > CentOS > CentOS 7.x > CentOS 7.x Rocks cluster 7.0 > CentOS 7.x Rocks cluster 7.0 Sun Grid Engine sge role =Manager privielges= For a user to submit job with positive priority they must be manager as per SGE. To configure user as manager use: <pre> qconf -am <username> </pre> Refer: * https://docs.oracle.com/cd/E19957-01/820-0698/6ncdvjclp/index.html =Opening qmon= There is graphical qmon tool that comes with SGE. That does not..."
- 07:52, 11 May 2022 diff hist +1,861 m CentOS 7.x Rocks cluster 7.0 Reinstall OS on compute node current
- 07:18, 11 May 2022 diff hist +59 CentOS 7.x Rocks cluster 7.0
- 07:15, 11 May 2022 diff hist −21 m CentOS 7.x Rocks cluster 7.0 Compute node network configuration current
- 07:14, 11 May 2022 diff hist +63 m CentOS 7.x Rocks cluster 7.0
- 07:14, 11 May 2022 diff hist −2,087 m CentOS 7.x Rocks cluster 7.0 Build compute server
- 07:14, 11 May 2022 diff hist +2,335 N CentOS 7.x Rocks cluster 7.0 Compute node network configuration Created page with "Home > CentOS > CentOS 7.x > CentOS 7.x Rocks cluster 7.0 > CentOS 7.x Rocks cluster 7.0 Compute node network configuration =Add public network to compute node= We can see defined networks using: <pre> rocks list network </pre> Then we can see list of existing host interfaces using: <pre> rocks list host interface <hostname> </pre> We can see additional ports on host using: <pre> ssh <hostname> "ip addr show" | grep mtu </pre> Then we ca..."
- 07:11, 11 May 2022 diff hist +845 N CentOS 7.x Rocks cluster 7.0 Reinstall OS on compute node Created page with "Home > CentOS > CentOS 7.x > CentOS 7.x Rocks cluster 7.0 > CentOS 7.x Rocks cluster 7.0 Reinstall OS on compute node To reinstall OS on compute node use: <pre> rocks list host boot rocks set host boot <hostname> action=install ssh <hostname> "shutdown -r now" </pre> This assumes that the boot order on compute node is properly set to boot from network. '''By default there is /state/partition1 partition created on compute nodes. This part..."
- 07:09, 11 May 2022 diff hist +69 m CentOS 7.x Rocks cluster 7.0
- 07:07, 11 May 2022 diff hist +181 m CentOS 7.x Rocks cluster 7.0 Build compute server
- 07:05, 11 May 2022 diff hist +129 m CentOS 7.x Rocks cluster 7.0 Install rpm package in compute nodes current
- 07:04, 11 May 2022 diff hist +1,487 N CentOS 7.x Rocks cluster 7.0 Customize compute node during installation Created page with "Home > CentOS > CentOS 7.x > CentOS 7.x Rocks cluster 7.0 > CentOS 7.x Rocks cluster 7.0 Customize compute node during installation To customer compute node immediately after the OS installer completes use following steps: # Create extend-compute.xml file using: #:<pre> #:: cd /export/rocks/install/site-profiles/7.0/nodes/ #:: cp -i skeleton.xml extend-compute.xml #Dont overwrite existing file, if any #:</pre> # Edit '<tt>extend-compute.x..." current
- 06:50, 11 May 2022 diff hist +77 m CentOS 7.x Rocks cluster 7.0
- 06:49, 11 May 2022 diff hist +292 m CentOS 7.x Rocks cluster 7.0 Install rpm package in compute nodes
- 06:42, 11 May 2022 diff hist +2,350 N CentOS 7.x Rocks cluster 7.0 Install rpm package in compute nodes Created page with "Home > CentOS > CentOS 7.x > CentOS 7.x Rocks cluster 7.0 > CentOS 7.x Rocks cluster 7.0 Install rpm package in compute nodes =Install rpm package directly via yum/rpm= We can copy the rpm file to compute node and install it via rpm/yum. If the package is likely to be there in the yum repository of rocks then it call also be installed via yum directly. For example: <pre> ssh <compute-node-hostname> yum -y install iotop </pre> =Install..."
- 06:34, 11 May 2022 diff hist +71 m CentOS 7.x Rocks cluster 7.0
- 06:00, 11 May 2022 diff hist +185 m Build VxRail 7.0
- 16:54, 10 May 2022 diff hist +579 m CentOS 7.x Rocks cluster 7.0 Build compute server
- 16:48, 10 May 2022 diff hist +129 m CentOS 7.x Rocks cluster 7.0 Introduction
- 16:42, 10 May 2022 diff hist +428 m CentOS 7.x Rocks cluster 7.0 Introduction
- 16:34, 10 May 2022 diff hist +215 m CentOS 7.x Rocks cluster 7.0 Introduction
- 16:32, 10 May 2022 diff hist +1,451 m CentOS 7.x Rocks cluster 7.0 Build compute server
- 16:15, 10 May 2022 diff hist +83 m CentOS 7.x Rocks cluster 7.0 Troubleshooting current
- 16:15, 10 May 2022 diff hist +851 N CentOS 7.x Rocks cluster 7.0 Troubleshooting Created page with "Home > CentOS > CentOS 7.x > CentOS 7.x Rocks cluster 7.0 > CentOS 7.x Rocks cluster 7.0 Troubleshooting =Unable to use rocks command or sun-grid-engine= If while using rocks you face errors such as: <pre> [root@rocks ~]# rocks sync host network gpu error: commlib error: got select error (Connection refused) unable to send message to qmaster using port 536 on host "rocks.local": got send error [root@rocks ~]# qhost error: commlib error: got..."
- 16:11, 10 May 2022 diff hist +50 m CentOS 7.x Rocks cluster 7.0
- 16:00, 10 May 2022 diff hist +334 m CentOS 7.x Rocks cluster 7.0 Build compute server
- 15:52, 10 May 2022 diff hist +503 m CentOS 7.x Rocks cluster 7.0 Build compute server
- 14:12, 10 May 2022 diff hist +926 m CentOS 7.x Rocks cluster 7.0 Build master server
- 14:08, 10 May 2022 diff hist −414 m CentOS 7.x Rocks cluster 7.0 Build master server
- 13:06, 10 May 2022 diff hist +104 m CentOS 7.x Rocks cluster 7.0 Introduction
- 12:56, 10 May 2022 diff hist +165 m CentOS 7.x Rocks cluster 7.0 Build compute server
- 12:55, 10 May 2022 diff hist +193 m CentOS 7.x Rocks cluster 7.0 Build master server
- 12:52, 10 May 2022 diff hist +207 m CentOS 7.x Rocks cluster 7.0 Build master server
- 12:50, 10 May 2022 diff hist +82 m CentOS 7.x Rocks cluster 7.0 Build master server
- 12:46, 10 May 2022 diff hist +1,822 N CentOS 7.x Rocks cluster 7.0 Build compute server Created page with "Home > CentOS > CentOS 7.x > CentOS 7.x Rocks cluster 7.0 > CentOS 7.x Rocks cluster 7.0 Build compute server The compute node is setup via Pxeboot. It should be connected only to private network and then booted via network. # Before doing network boot on compute node, on master server, run below command: #: <pre> #:: insert-ethers #: </pre> # On the ncurses based popup '''Choose Compute''', it would display: 'insert-ethers is waiting f..."
- 12:42, 10 May 2022 diff hist +2,828 N CentOS 7.x Rocks cluster 7.0 Build master server Created page with "Home > CentOS > CentOS 7.x > CentOS 7.x Rocks cluster 7.0 > CentOS 7.x Rocks cluster 7.0 Build master server =Minimum requirement= * Should have atleast two network interfaces ** eth0 - First interface connected to private network ** eth1 - Second interface connected to public network * Hostname must set while installing. This FQDN should resolve to master node public IP via DNS. *: '''The hostname cannot be frontend.<domain-name>. Any ot..."
- 12:31, 10 May 2022 diff hist +2,784 N CentOS 7.x Rocks cluster 7.0 Build rolls server Created page with "Home > CentOS > CentOS 7.x > CentOS 7.x Rocks cluster 7.0 > CentOS 7.x Rocks cluster 7.0 Build rolls server We can build a rolls server to setup master node using a CentOS 7 machine. To setup rolls on a CentOS 7 machine use: # Disable firewalld #:<pre> #:: systemctl stop firewalld #:: systemctl disable firewalld #:</pre> # Disable selinux by editing '<tt>/etc/selinux/config</tt>' as: #:<pre> #:: SELINUX=disabled #:</pre> #: Also run #::..." current
- 12:21, 10 May 2022 diff hist +1 m CentOS 7.x Rocks cluster 7.0 Introduction
- 12:21, 10 May 2022 diff hist +149 m CentOS 7.x Rocks cluster 7.0 Introduction
- 12:20, 10 May 2022 diff hist +2,938 N CentOS 7.x Rocks cluster 7.0 Introduction Created page with "Home > CentOS > CentOS 7.x > CentOS 7.x Rocks cluster 7.0 > CentOS 7.x Rocks cluster 7.0 Introduction =Types of nodes= Rocks cluster ( http://www.rocksclusters.org/ ) allows us to build a cluster of machines so that they can be used for HPC purposes. In this case we have at least three types of nodes: ; Rolls-server : This is setup initially to setup a master server. After master server is setup this may not be required ; Master-server :..."
