ARNAB BANERJEE

Cell +1-303-***-****

ac0iuk@r.postjobfree.com

https://www.linkedin.com/in/arnab-banerjee-8b2604140/

Profile Summary:

** ***** ********** ** *********** Technology including roles as UNIX, Linux and Storage Systems Administrator of which the last 8 years has been in the United States

Have knowledge and hands on experience working on IBM Advanced Power Virtualization, PSeries, Red Hat Enterprise Linux, SAN, IBM San Volume Controller, V7000 Storwize, DS8800

Unix Skills

VIOS and LPAR builds, vfchost and NPIV mappings, creating Virtual Ethernet Adapters

AIX 6.x, AIX 7.x Installation, configuring, maintenance, support and troubleshoot.

AIX upgrades using nimadm, mksysb image or alt_disk copy

HMC upgrade and PEDBG logs generation for analysis

Installation, upgrade TSM backup client, openssh-ssl, latest APAR and eFixes

Configure ssh, proftp, sendmail.

NIM (Network Installation Manager),Client configuration, SPOT building, TL upgrade

Performance monitoring and tuning using IBM TPC Tool, Galileo and NMON.

HACMP administration and troubleshooting

Internal and SAN Disk Management, Logical Volume Management (LVM).OCR disks.

User management, File System management, Paging space management.

Generating Snap, dump and core files for Ecurep and Testcase for IBM support

Worked on HPUX 11i on HP9000 server

Linux Skills

RHEL Linux Dell PowerEdge physical servers.

Using DRAC and VMWare VClient to manage physical and virtual Linux servers.

RHEL 6 and 7, troubleshoot, and maintenance..

RPM packages install in RedHat Linux servers. Software installs via YUM.

RHEL7 install using Kickstart

RHEL 7 Install on VMWare

User Management, File System Management

Storage Skills

Installation, maintenance and provisioning IBM SAN Volume Controller, IBM V5300, V7000, XIV, DS8800, V3700

Snapshots using Flashcopy Mappings, creating Consistency groups, Clone ASM disks for Oracle DB

Support, upgrade and maintenance McDATA and Brocade SAN Switches.

Soft and Hard Zoning using DCFM and Network Advisor.

Timely upgrades of Storage equipment as per IBM recommendations.

Troubleshooting physical connections of fabric switches, servers and storage adapters and ports.

Storage Provisioning of EMC Clariion and EMC Symmetrix DMX.

Firmware upgrade of IBM Flash System 840, SAN Volume Controller, V7000 Storwize.

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Backup and Recovery Skills

Configure TSM Clients, checking backup sessions, data movement, process, Act_logs.

Troubleshoot hardware errors for Tape Drives, redefining drives in TSM server to access new drives

Troubleshoot failed backups from logs. Troubleshoot TSM Server-Client connectivity, install, upgrade TSM clients.

IBM VTL Virtual Tape Library managing using IBM Protectier. Creating scratch tapes when low.

IBM LTO and 3584 tape Library. Troubleshooting Tape Drive Errors.

RMAN Clones of Oracle DB using restore and recovery scripts and opt files copy

Technical Skill Expertise:

Operating Sytems

AIX 7.1, Redhat Linux 7, HP-UX11i

Virtualization

PowerVM, VIOS, LPAR, Live Partition Mobility

RedHat Linux 6.7 running on VMWare VClient ESX hosts

IBM TS7650G ProtecTIER with Virtual Tape Library backed by IBM V7000 Storwize

Storage Virtualization by IBM San Volume Controller

SAN Storage

IBM SAN Volume Controller ( SVC ), IBM XIV, V7000, V5300, DS8800

IBM Flash820 and Flash System 840. IBM Flash System 900

Brocade and Mcdata Network Director Fabric Switch

IBM Network Advisor and DCFM SAN Zoning tools

Backup Solutions

Tivoli Storage Manager 7.1. Client End

IBM 3584 UltraScalable Tape Library

RMAN for Oracle DB 11g

Performance &Monitoring Tools

Tivoli Storage Productivity Center

Galileo Performance Explorer

NMON Analyzer

LPAR2RRD

Scheduling Tools

Cisco Tidal Enterprise Scheduler

BMC Control-M

Incident and Change Management Tools

ServiceNow

BMC Patrol Remedy

IBM ManageNow

IBM Maximo

Professional Work Experience:

RICOH Americas Data Center, Macon, Georgia

Dec 2011 to Present

UNIX and Storage Administrator

This Project involves System and Storage administration and Support of Hardware and software for IBM AIX P-series servers 400 AIXLPARs, Managed frames, RHEL on VMWare, IBM San Volume Controller, V7000, XIV, DS8800, Brocade SAN Switch, IBM Protectier Virtual Tape Library in an environment unning Oracle 11i DB

UNIX Admin Role

Lift and shift experience of 100 plus servers from IBM Data Center in Poughkeepsie to RICOH Datacenter.

Building VIOS and LPARs from scratch. Creating & managing volume group, logical volume file systems

RHEL7 upgrade and maintenance using yum and rpm package install.

Updating the latest Maintenance Level for the existing AIX operating system. Migration From AIX 6 to AIX 7.

Perform installation, periodic maintenance updates and applied latest APAR fixes.

User & group administrations.

Worked in HMC to commission & manage LPAR, DLPAR.

Performance monitoring for high CPU, Disk & Memory usage’

Analysis of system error logs, open PMR with IBM Support, upload snap to Testcase

Managing daemons with SRC (system resource controller), starting, stopping & refreshing.

Deal with various H/W & S/W problems in AIX server and also by logging call with IBMSERV

Maintenance and troubleshooting of HACMP clusters.

IBM LTO and 3584 Library Manager, check for tape errors, remove tape from TSM and AIX

IBM Protectier for provisioning Virtual Tapes, new Cartridges to TSM server

Collect IBM Protectier Logs and upload to Ecurep for Analysis

Paging space & system dumps management.

Network problem determination with ifconfig, iptrace, traceroute, netstat commands

Storage Admin Role

Problem determination and Storage provisioning to UNIX servers from XIV, DS8000,SVC, V5000 and V7000.

Snapshots using Flashcopy Mappings, creating Consistency groups, Clone ASM disks for Oracle DB

Support and Firmware upgrade of IBM Flash System 840, San Volume Controller, V7000

Configuring switch alerts, threshold and policies.

Hard and Soft Zoning using Network Advisor.

Experience of SubSystem Device Driver Path Control Module and datapath query and pcmpath query commands.

Collect SVCSnap and Supportsaves for health check and troubleshoot of SVC and Backend Storage Error Codes.

Identifying problems in SAN Fabric and Switch ports using Event Logs, Link Incident Logs.

Work with onsite IBM CE for failed disks, battery replacement, PSU replacement.

IBM Data Center, Managed Storage Services, Boulder, Colorado

Jan 2009 to Dec 2011

IBM SAN Storage Administrator

Responsibilities: Storage Provisioning and Troubleshooting

Problem determination and Storage provisioning to UNIX servers from XIV, DS8000,IBM SVC

Configuring switch alerts, threshold and policies.

SAN Fabric Storage to host Soft Zoning in Brocade switches using DCFM.

Experience of SubSystem Device Driver Path Control Module and datapath query and pcmpath query commands.

Collect SVCSnap and Supportsaves for health check and troubleshooting of SVC and Backend Storage Error Codes.

Identifying problems in SAN Fabric and Switch ports using Event Logs, Link Incident Logs.

Block, UnBlock,, Bind and Unbind SFP Ports as per requirement.

Checking the Performance, Port statistics, Error Statistics and Traffic flow in switches for Troubleshooting

Collecting ‘SupportSave’ for Brocade switches and uploading to IBM Level 3 for further analysis.

IBM India Pvt. Ltd. Bangalore, India

July 2005 to Nov 2008

Project :IBM Global Account Application Host Environment (IGA–AHE) Boulder, CO and Poughkeepsie, NY USA (Offshore remote support).

AIX system administrator (System Operations Specialist )

This Project involved remote System administration and Support of Hardware and software for IBM AIX P-series servers (1200+ LPARs).

Creating & managing volume group, logical volume file systems

Updating the latest Maintenance Level for the existing AIX operating system.

Migration of AIX OS From AIX 5.1,5.2 to AIX 5.3

Perform installation, periodic maintenance updates and applied latest APAR fixes.

User & group administrations.

Worked in HMC to commission & manage LPAR, DLPAR.

Performance monitoring for high CPU, Disk & Memory usage’

Analysis of system error logs

Managing daemons with SRC (system resource controller), starting, stopping & refreshing.

Deal with various H/W & S/W problems in AIX server and also by logging call with IBMSERV

Maintenance and troubleshooting of HACMP clusters.

Paging space & system dumps management.

Network problem determination with ifconfig, iptrace, traceroute, netstat commands.

•System backup management for rootvg & for non-rootvg.

Hewlett Packard Global Services, Bangalore, India

Project: Hutch Cellphone India

April 2004 to June 2005

Unix System Administrator

Installing AIX-5L fixes & maintenance level.

Creating Logical Volumes and File systems on AIX servers, Extending File systems and space management

Taking the full System backup by using mksysb to take care of all root file system of root volume group

Taking root Volume group and non-root Volume group’s backup using mksysb and savevg backups on periodic basis.

File system management (creating JFS, JFS2 file systems, extending file systems)

User management (creating users, assigning permissions)

Security management (assigning file/directory permissions)

Working with LVM for managing file systems, Logical Volumes & Volume groups.

Paging space & system dumps management.

User administration by creating users, assigning permissions, disk quotas, and authentication.

HCL InfoSystems Limited, Lucknow, India

September 2001 to March 2004

Project: Indian Railways, State Bank of India, Union Bank of India, Allahabad Bank

Customer Support Engineer

HP-UX 10.x with MC Service Guard cluster in Allahabad Bank.

Creating Logical Volumes in Volume groups, Mirroring of Logical Volumes

Daemon & Process management with (stopping, starting, refreshing)

File system management (creating JFS, JFS2 file systems, extending file systems)

User management (creating users, assigning permissions)

Security management (assigning file/directory permissions)

Supported Windows servers / workstations, a few RHEL 6.0 Linux servers, Cisco / D-Link switches / hubs and peripherals.

Windows Desktop troubleshooting and maintenance. Collect AMCs.

Installation, troubleshooting and maintenance of HP Inkjet, LQ 1050, Lipi Line printers.

Professional Certifications

IBM AIX System Administration

HP-UX System Administration

Cisco Certified Network Associate

Education:

Diploma in Electrical Engineering (10+2+3) from Board of Technical Education, West Bengal, India in 2001, passed with First Class Distinction.. Evaluated in US as at par with Bachelors in Science.

Higher Secondary (10+2) from West Bengal Board of Higher Secondary Education, in 1997, passed in first division.

ICSE Delhi Board 1995 (Class 10 Board Exam). Passed with 84%

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