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Ramdev's Archive

Unix geek by profession and a part time trainer by passion. I have completed my AMIE ( Computer Engineering) from Institution of Engineers ( India) and currently working as Unix technology Integration specialist in a Multinational Financial Firm, Singapore. As a system administrator my typical day life involves anything from a simple password reset to entire Data center Recovery operation. And as an Integration engineer, I do work on solutions that requires integration of different technologies on Unix platform . As an Unix administrator, for past 10 years, I had very good opportunity to work with various platform technologies like Solaris, Linux, AIX, Shell Scripting and Veritas Products.And my knowledge area partially covers Oracle DBA, Cisco Networking and Windows Administration.

VxVM Troubleshooting – Procedure to Replace Internal FibreChannel (FC) Disks controlled by VxVM

This entry was posted on 30 May, 2011
4 Comments
This item was filled under [ Blog for Unix Admin, Solaris Admin, Solaris Disk Management, SUN Hardware, Veritas Admin ]

Hot swapping of a failed disk is fairly straight procedure if the disks are regular SCSI disks, but for the Fibre Channel (FC) disks we should follow different procedure for hot swaping. Below specific procedure should be used when replacing one of the internal disks in a system with internal fibre drives (Sun Fire 280R, [...]

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Tagged with: [ Fibre channel, repair, replace FC disk, replacement, Solaris Admin, troubleshooting, Volume manager, VxVM Learning ]

Solaris Troubleshooting Jumpstart – Common Problems

This entry was posted on 30 May, 2011
15 Comments
This item was filled under [ Blog for Unix Admin, Solaris Admin, Solaris Booting, Solaris Troubleshooting ]

How Jumpstart Works:     First Level Boot Process 1) When the “boot net – install” command is issued at the ok prompt, the JumpStart client looks for a Jumpstart boot server. 2) The boot server responds to the rarp request via the “rarpd” daemon (in.rarpd). Using the information in the /etc/ethers file, the server [...]

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Tagged with: [ installation, installation problems, jumpstart, jumpstart problems, solaris learning, Solaris Troubleshooting ]

Enterprise Network Environment and Support Functions

This entry was posted on 30 May, 2011
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This item was filled under [ Career Guidance ]

    Enterprise Network Architecture Let us assume that we are talking about a company named “ABC Finance Ltd”, which is  providing financial services to various Domestic, International organisations  and as well for individuals using it’s highly sophisticated IT(Information Technology) services.  Various  clients from different regions of the globe connects to ABC firm using some dedicated [...]

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Tagged with: [ career in system administration, network and system administration, network architecture, solaris e-learning, solaris learning, solarisadmin, system administration ]

Solaris Troubleshooting: modify the inactivity timeout setting for FTP

This entry was posted on 30 May, 2011
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This item was filled under [ Blog for Unix Admin, Solaris Admin, Solaris Networking ]

Below are the steps are to be performed on the the FTP server (i.e., the system that is being ftp’d to).   By default, the FTP server will timeout an inactive session after 15 minutes.

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Tagged with: [ ftp, inactivity timeout, Solaris Troubleshooting, troubleshooting ]

Veritas VxVM : Booting Veritas root disk without VxVM, for maintenance

This entry was posted on 30 May, 2011
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This item was filled under [ Blog for Unix Admin, Solaris Admin, Veritas Admin, VxVM Learning ]

Volume Manager failed during the boot process, and we would like to boot from encapsulated root disk without vxvm.  This assumes that the root disk mirror has not been corrupted yet!

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Tagged with: [ boot, boot issues, root disk, troubleshooting, VxVM Learning, vxvm troubleshooting, without veritas ]

Solaris10: San/SAS/MPXIO/STMS config files

This entry was posted on 30 May, 2011
1 comment so far
This item was filled under [ Blog for Unix Admin, Solaris Admin, Solaris Disk Management, Storage Configurations ]

With the release of Solaris 10 Operating System (OS), the configuration of Storage Area Network (SAN), Serial Attached SCSI (SAS) attached devices, and turning on STMS/MPXIO has changed. This Post details the new ways devices are brought into the operating system, and their configuration files. The default way Solaris 10 handles SAN/SAS attached devices is [...]

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Tagged with: [ configuration, MPXIO, SAN, SAS, Solaris 10, Solaris Troubleshooting, STMS, storage ]
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  • About Author : My name is Ramkumar Ramadevu ( Ramdev ). I have started writing about enterprise unix system administration since 2009 just for my own knowledge reference, and then later I have made this site available for everyone, for better purpose. ... read more

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  • Recent Comments

    • Maniswara Pavan commented :: Nice Post .........
    • Maniswara Pavan commented :: Hi Ram, I have a doubt here .. Lets think we have disk and its pr...
    • jack commented :: Do we need to initialize and configure the replaced disk in this proce...
    • Laxxi commented :: Hi Ram, Please guide me how can I provide Read write access to a Fs...
    • Rahul commented :: Hi All, I just want to know . is there any way to implement the sam...
    • Prajwala commented :: Thanks Ramdev...
    • Prajwala commented :: What an Idea Sir ji..... Excellent " Quiz Center "...
    • hari commented :: good xplanation,I understood overview of clustere,can u post some scen...
    • Ramdev commented :: Hi KK, Jsut few questions >> is that oce0:1 having problem with only ...
    • Ramdev commented :: Hi Jeeva, please refer the below page for all LVM related real time st...
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