krishna solaris

8/3/2019 Krishna Solaris

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Krishnarao G EmailEmail ::

[email protected]@gmail.com

System Administrator Ph : +91-7204440323Ph : +91-7204440323

SUMMARY

Seeking a challenging position in UNIX (Solaris) System Administration to associate myself with anorganization, where there is an opportunity to share, contribute and upgrade my knowledge for the development

of myself and organization served.

RESUME SYNOPSIS

Over 3.6 years of experience in IT industry as a System Administrator.

Having 3.6 years of experience exclusively on Solaris.

Proficient in Administration ofSolaris 9/10 systems.

Excellent in Veritas Volume Manager

Exposure on Veritas Cluster Server

Basic knowledge on Veritas Net backup.

Experience on NFS, Auto mounts, NIS.

Configuring and Managing RAID Levels.

Good ability to work in team environment.

Excellent communication and interpersonal skills.

TECHNICAL SKILLS

Operating Systems : Sun Solaris 9/10 (Administration).

Tools : Veritas Volume Manager, Veritas Cluster . Network Services : NFS & NIS.

Sun Server Hardware : Sun E450, Sun E250,Sun Fire V220, Sun Fire V440.

Sun workstation Hardware : Sun Ultra 5/10, Sun Blade 100/150.

EDUCATIONAL QALIFICATION

Master of Computer Application from Anna University

B.Sc Computer Science from Nagarjuna University

EXPERIENCEEXPERIENCE

CURRENT POSITION

System Administrator : HCL Technologies, Bangalore.

Duration : Feb2010 to Till Date

ENVIRONMENTSoftware : Sun Solaris 9/10 Operating System,

Veritas Volume Manager 4.1 & File System.

Hardware : Work Station: Sun Ultra 40, 45.

Mid Range Servers: Sun V880, V890, 6800.

CONTRIBUTION
mailto:[email protected]:[email protected]:[email protected]


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As System Administrator I need to perform day to day operations on the different range of midrange

exclusively in Sun Solaris environment to give support like administration, maintenance, upgrade of OS,

supporting Hardware problems, co-ordination with Vendors, performing Security related controls and checks.

JOB DUTIES AND RESPONSIBILITIES:

Performing software upgrades on operating systems.Performing various tasks on Veritas products: Volume Manager, File System and Net backup

Maintaining NIS, NFS & Autofs

Assign user access to servers, applications and maintain accounts.

Interface with customers, vendors, and internal staff.

Scheduling of automatic repetitive Jobs with Crontab..

Install Patches/Packages.

Installation of Veritas Volume Manager in sun server environment.

Configuring the volume manager and bringing the drives into VVM control.

Using Veritas Volume Manager in all daily activities proficiency with plex level and volume level

administration.

Monitoring System Performance of Virtual memory, Managing Swap Space, Disk utilization and CPU

utilization.

Backup configurations on Clients

Device Monitoring and Vendor escalations

Making the cluster configuration file RW and adding new service groups online and reverting it to

Read-Only in Veritas Cluster.

Analyze Problems & escalate to appropriate Levels.

Problem determination and resolution within Expected time frame.

Escalations handling

PREVIOUS EXPERIENCE

Jr. System Administrator - ONTO LOGICAL SYSTEMS.Duration - Jan 2008 - Jan2010.

Responsibilities:

Administration of user accounts like creation of groups, users, security and resource management..

Creating Slices and File systems.

Adding packages according to the requirement.

Configuring of NFS

Implementing Backup strategy.

Scheduling of automatic repetitive Jobs with Crontab.

Monitoring the File System and CPU load for better performance in SUN .

Security implementation through ACL, RBAC and TCP Wrappers.

TECHNICAL SKILLS

UNIX (Solaris) Administration:

Installation, configuration, administration, troubleshooting, sharing, resources, managing user

accounts and group on Solaris environment.

Administering and troubleshooting Disks Related & File Systems crashes on Solaris and Veritas

Volume Manager.

Disk configuration & Managing File Systems.


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Performing Regular Backup and restores using ufsdump, ufsrestore, tar utility.

Monitoring System Performance of Virtual memory, Managing Swap Space, Disk utilization and

CPU utilization.

Installations and upgrading of Solaris servers, operating system and application level.

Configuring and Managing Raid levels in Veritas Volume Manager.

Managing NIS master server and slave servers and configuring NIS Clients and managing NIS

maps.

Veritas Volume Manager

Installation of Veritas Volume Manager in sun server environment.

Configuring the volume manager and bringing the drives into VVM Control.

Creating and Administering Volume Manager Objects.

Working with disk groups (importing and deporting).

Creating the volumes and creating the file systems (UFS and VXFS).

Increasing the Volumes and file system size (UFS and VXFS).

Implementing RAID 0, 1 and 0+1, 5 levels using Veritas Volume Manager.

Analyzing and monitoring the performance of volumes.

Encapsulating and mirroring the root disk.

Veritas Cluster:

Installation of Veritas Cluster in Sun Server Environment.

Configuring the GAB and LLT and establishing communication channels.

Creating Cluster service groups and establishing group level dependencies.

Adding the resources to the service groups.

Switching the service groups from one node to another.

HP UX

Knowledge in OS installation, Boot Process.

Package and Patch Administration.

Managing system resource utilization like CPU, Disk, Memory and Network utilization and checkingLog files on daily basis.

LVM/File system administration - Create new file systems, extend/reduce existing file systems.

Disk space management & Troubleshooting with LVM & Vxvm.

Deploying Patches periodically and on need basis.

Hardware replacement, Device management and configuration on HPUX Servers.

Disk space management using LVM.

Automatic Job Scheduling & Execution using Cron and at jobs.

SAM Administration.

Backup management using HP-Data Protector Tool.

Incident / Change / RCA:Change Management:

Changes are planned every weekend, which includes Installing patches, software and applications.

Kernel parameter tuning and kernel rebuilding as per server and application teams requirements.

Hardware changes: configuring hardware devices in co-ordination with onsite datacenter engineers.

Problem Management /RCA which includes:

Volume Creation and maintenance, disk and boot disk mirroring/striping, data recovery in case of

disk failure.


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Troubleshooting: VERITAS volume manager, Network, Performance, backup issues, disk / hardware

failures etc.

Creation of Disk groups, extending the disk groups, deporting and importing of DG and for effective

Performance.

Implemented Raid Levels Raid 0, Raid5 Raid 0+1 Raid 1+0

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