Gathering Statistics About Network Traffic on Links in Oracle Solaris 11

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The dlstat and flowstat commands are tools for monitoring and obtaining statistics on network traffic on datalinks and flows, respectively. These commands parallel the dladm and flowadm commands. The following table shows the parallelism between the pair of *adm commands and the pair of *stat commands and their respective functions: Command Function dladm command options User interface and tool for configuring and administering datalinks. flowadm command options User interface … Read more

Replace a Faulty FRU from the SUN Oracle System with the replacefru Command

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Following section describes the procedure for replacing a FRU requiring maintenance from the system. The following FRUs can be maintained: XSCF> replacefru ——————————————————————————Maintenance/Replacement MenuPlease select a type of model which has FRU to be replaced. 1. CMU/IOU (CPU Memory Board Unit/IO Unit)2. FAN (Fan Unit)3. PSU (Power Supply Unit)4. XSCFU (Extended System Control Facility Unit)——————————————————————————Select … Read more

Clear faulty inode in Solaris

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clri , dcopy Use the clri command to clear a bad inode that fsck is unable to fix. clri writes zeros on the inodes with the decimal i-number on the file system stored on special. After clri is run, any blocks in the affected file show up as missing in an fsck of special and any data is lost. You cannot clear an inode on a mounted file system. … Read more

Install NetBackup Client on Solaris / Linux

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Download / Untar NetBackup Client binary package and exec installation script: ### FYI, Just NetBackup master server hostname is required during installation. [root @ soltest]/tmp # tar -xf NetBackup_7.6.0.1_CLIENTS1.tar [root @ soltest]/tmp # cd NetBackup_7.6.0.1_CLIENTS1 [root @ soltest]/tmp/NetBackup_7.6.0.1_CLIENTS1 # ./install Symantec Installation Script Copyright 1993 – 2013 Symantec Corporation, All Rights Reserved. Installing NetBackup Client … Read more

How To Install and Configure DellEMC PowerPath on Linux (RHEL/CentOS)

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NOTICE: Before you start DellEMC powerpath installation and configuration, make sure HBA cards are installed on the server and Fiber channel switches are zoned properly. [root@unixonline ~]# tar -xzf DellEMCPower.LINUX-7.4.0.b201.tar.gz [root@unixonline ~]# ls DellEMCPower.LINUX-7.4.0.00.00-201.OL7.x86_64.rpm DellEMCPower.LINUX-7.4.0.00.00-201.RHEL8.x86_64.rpm DellEMCPower.LINUX-7.4.0.b201.tar.gz DellEMCPower.LINUX-7.4.0.00.00-201.OL8.x86_64.rpm DellEMCPower.LINUX-7.4.0.00.00-201.SLES12SP5.x86_64.rpm DellEMCPower.LINUX-7.4.0.00.00-201.RHEL7.x86_64.rpm DellEMCPower.LINUX-7.4.0.00.00-201.SLES15SP3.x86_64.rpm In this example, DellEMC Powerpath 7 ( DellEMCPower.LINUX-7.4.0.00.00-201.RHEL7.x86_64.rpm ) is installed on Red Hat 7. … Read more

The open source way

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The open source way is a set of principles derived from open source software development models and applied more broadly to additional industries and domains. Opensource.com exists to share how the open source way can change our world in the same way the open source model has changed software. Principles of the open source way Transparency. Whether we’re … Read more

Reset HBA port in Oracle Solaris

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If the devices not immediately available in fabric zones in a storage area network you can reinitialize the link to the devices by using the luxadm -e forcelip command. The following command can be used to list HBA devices: [root @ unixonline] / # luxadm -e port /devices/pci@1c,600000/QLGC,qlc@1/fp@0,0:devctl CONNECTED /devices/pci@1c,600000/QLGC,qlc@1,1/fp@0,0:devctl CONNECTED The following command can … Read more

Reset HBA port in Linux

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There are several commands available that allow you to reset one or more interconnects in Linux, issue_lip is one and the most recommended command. The following command can be used to find HBA device name.(in this example host1,host2): [root@unixonline ~]# systool -c fc_host -v|egrep “Device =|node_name|port_state|speed” Class Device = “host1” node_name = “0x20000032fff8dce3” port_state = … Read more

Monitoring Swap Usage for Each Process With the top Command

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To monitor which process is using swap, you can use the top command:Log in to Advanced shell (bash).Type the following command to enter the top utility: # top [root@unixonline]# top top – 01:10:24 up 230 days, 9:05, 9 users, load average: 0.00, 0.01, 0.05 Tasks: 220 total, 1 running, 219 sleeping, 0 stopped, 0 zombie … Read more

ISCSI in Solaris with iscsitadm Command

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Target: Space which is being assigned from storage. Initiator: Client who is connecting to and using Target. Services: Depending on server role these services should be enabled/disabled. Configuring Target (Server) : #Show current settings iscsitadm show admin *  Assuming that a ZFS Volume named “Pool/Vol” is created in this regard. Change base directory : Create … Read more