1. Name: Sasidhar Reddy Peyyala
Email:sasidhar.peyyala@gmail.com
Mobile:+91-7090120428
• A professional experience with 3+ years of experience in AIX System
Administration P6, P7 & P7+ series etc.
• Experience in AIX OS Migration from 5.3 to 6.1 version.
• Good technical expertise in AIX Logical Volume Manager,
• Performance troubleshooting, server builds migration and system backups.
• Installation and upgradation of TL/ML.
• Configuration and maintenance of HACMP.
• HACMP file system management such as creating file system and increasing
the file system size.
• Backup - mksysb, savevg and backup, restore tools.
• NIM (Network Installation Manager) Server Configuration and Managing.
• HMC up gradation as per the SLA.
• System Recovery - mksysb, savevg.
• Creating and managing VIO, logical partitions (LPAR’s) using HMC.
• Configuration of SEA (Shared Ethernet Adapter) on Dual VIO concept.
• Firmware upgradation using Concurrent & Disruptive methods.
• Experience on working on tickets generated and solve the issues in quick
times to help customer.
• Good Communication skills, ability to lead a work team, working in Team
Environment.
 Working as an AIX Administrator in Aricent Inc, Bangalore from Dec-2011
to Till Date.
Roles and Responsibilities:
• Providing support for almost AIX, HACMP, NIM and VIO Servers.
• Server management as part of daily routines- health checks, attending
tickets, disk management, LVM management, User Management, Software
installations, job Scheduling, backup and restorations.
• Proactive maintenance & troubleshooting in Operating Systems & Hardware
related errors.
• TL & SP installation and management.
• AIX Operating System Migration - Have migrated from AIX 5.2 to AIX 5.3 and
AIX 5.3 to AIX 6.1 versions using the NIM server.
• Designing and managing disk space using AIX Logical Volume Management
(LVM). Creating VG and LV extend vg, extend lv and vg mirroring.
• Recovering root password, replacing failed hard disks, making disks high
available by mirroring volume groups, logical volumes etc.
PROFESSIIONAL SUMMARY:
EXPERIENCE SUMMARY:

2. • Knowledge in exporting volume group from one node to other and adding new
disks to volume group, replacing failed devices.
• File system management (increase, decrease file system size dynamically,
etc) troubleshooting of any file system related issues.
• Collecting System data using snap to determine and resolve problem related
to devices etc.
• Fixing and troubleshooting AIX booting problems - working with bosboot and
bootlist.
• Identifying and analyzing CPU intensive programs; monitoring CPU, memory,
disk usage and finding and fixing if any bottlenecks.
• Working with diag and finding if any issues with devices etc.
• Analyze error log (errpt) and troubleshoot AIX systems.
• Restoration of mksysb and savevg backups.
• Configuration of NFS and troubleshooting NFS and File systems mounting
related problems.
• Faulty disk replacement - replacing rootvg mirrored or non-mirrored disk.
• Configuration and managing the SSH, SUDO.
• Configuring Network Installation Manager (NIM) server and installing OS on
clients on NIM server.
• Configuration of NIM resources in NIM Master server as per the NIM client
requirements.
• Taking the AIX Operating System backup command mode mksysb and also
using NIM.
• HACMP Installation and configuration. Working with Resource Groups,
Managing resources.
• Monitoring HACMP Resources, Cluster Statistics, and analyzing different log
files. Stopping, Starting clusters.
• Moving resources to another node, Working C-SPOC.
• Updating the microcode/firmware level in operating system level.
• Undertaking the HMC Critical console backup, system plan, Firmware
upgradation Actitivities.
• Configuration of Virtual IO server and clients (Lpar’s) using HMC.
• Taking the VIO servers & LPAR profile backups.
• Mirroring the disks in the VIO server to avoid the failure.
• Assigning the disks to the VIO Clients.
• Configuration of Shared Ethernet adapters in VIO.
• Creating User, Group home directories and password administering.
• Managing the File access permissions.
• Installing new software / filesets, packages and other third party applications
when required by the developer or business.
• File system house keeping activities such as moving the log files, increasing
file systems if there is any data growth.
• Patch installation, TL, ML upgrades.
• Manage devices (SCSI disks for rootvg, SAN disks for datavg).
• Analyze error log (errpt) and troubleshoot AIX systems
• Faulty hardware replacement such as disks.
• Configuration of Network File System (NFS) and SSH.
• HACMP - Monitoring servers, Starting and Stopping Cluster Services, moving
resource groups across the nodes, increasing file system in cluster file
system, synchronizing cluster resources and cluster verification.

3. • Perform health checks on HACMP nodes, running cluster statistics to find
cluster stability, finding resource group status etc.
• Failover and fallback testing in cluster servers.
• Taking the snap shot output of all the servers during any critical issues and
analyzing the problems.
• Managing the application server, monitoring day-to-day server performance
and managing active library for servers through monitoring tool.
• Migrate the rootvg to hdisk0 to hdisk1.
• Installing of drivers and Firmware to Server through HMC,
• Undertaking the HMC Critical console backup, system plan, Firmware
upgradation Actitivities,
• Performance data from reporting tools like topas, iostat, and vmstat.
• Adding and Scheduling backups.
• Maintaining daily, weekly and monthly backup
• Taking the file system, Offline, Online and OS backups in production servers.
• Server restoration using backup commands such as backup and restore and
tar backups.
 B.Tech (Computer Science) from JNTU University in 2011.
EDUCATIONAL QUALIFICATION: