Linux System Administrator & Oracle Rac Production Support Resume
Chicago, IL
SUMMARY:
- Over 15 years of experience as a Unix Redhat Linux 7,6,5 /Solaris 7,8,9,10,11, and AIX 7.x Power8,7,6 and HP - Unix platforms System Administrator.
- Main focus on Redhat Linux 7,6.4,5.1, AIX V5, V6, V7 pSeries ( Confidential Power p8, p7, p6), SUN Solaris 11,10,9 Zones/Containers, High Availability (HACMP V 5.2/6.1, PowerHA), Veritas Cluster V6, V5
- Expert in Red Hat Linux V5 & 6 at least 6 years of heavy experience in install / rebuild supported 300 servers responsible for ensuring all systems are current, reliable, tuned and accessible in accordance with service level agreements.
- Experience in planning, installation, migration, upgrade OS (AIX, Solaris, Linux).
- Strong knowledge of HDS Hitachi, Confidential, EMC Storage and Multipath I/O (MPIO), Hitachi Dynamic Link Manager (HDLM), EMC PowerPath.
- Havy use of utilities like dlnkmgr to gather physical HBA card and mpio info, active disk path and experience with HBA utilities for Emulex, qlogic.
- Expert in AIX problem determination, performance and tuning, PowerVM VIO configuration, HMC, HACMP 5.1, 6.1, PowerHA 7, VIO, HMC, LPAR, NIM, Power6 and Power7.
- Extensive knowledge of NIM, Jumpstart, Kickstart.
- Ability to write from scratch as well as read/update/modify existing scripts for Perl, ksh, bash, Python.
- Experience in ESXi V5, creating VM for Linux, Windows and Solaris.
- Architecture and deployed Solaris zones and container environment on SUN T5-8, 5-2, T2000.
- Extensive experience in Veritas File system, Volume Manager, SAN (EMC & Confidential TotalStorage DS4000/6000), Legato Backup, Veritas Netbackup, TSM and Capacity Planning / Performance and Tuning.
- Strong knowledge of Korn Shell & Perl scripting, and C programming.
- Very good in System Monitoring ( Nagios, Cacti, Zabbix, Tivoli)
- Strong knowledge of Puppet, BigBrother, HPSA (HP Server Automation)
- Working knowledge of other Internet Protocols (i.e. Active Directory, DNS, LDAP, Telnet, SMTP, SNMP)
- Good knowledge of web productions (Apache, Tomcat)
TECHNICAL SKILLS:
Hardware: Confidential Power7 Servers (P870, P770, P760, P750, P740, PureFlex), HP c7000 enclosures and BL Class blades, Cisco Nexus Network, Brocade DCX Fabric, HP/3PAR T800, Confidential XIV's (Gen2 & 3) and NetApp V Class filers. SPARC platform is M and T Class servers & EMC, HDS, Cisco UCS, SUN SPARC E6000,X4100, X4100M2, M4000,M5000,M900,T2000, T5x20, T5x40, T3-2, T4-2, T4-4, T5-2, T5-8 and SuperCluster M7, MiniCluster S7-2, Confidential blade, Confidential xSeries,HPBlade, X86, DL380,DL580. DL585.
PROFESSIONAL EXPERIENCE:
Confidential, Chicago, IL
Linux System Administrator & Oracle RAC Production Support
Responsibilities:
- Red Hat Linux 7.2, 6.4 & VM ESXi: Installed 12c Oracle Clusterware to provide infrastructure for RAC and configured 3 node Oracle 12c RAC with EMC and 3 node DR RAC on another site using Cisco UCS C460 Servers & HP DL 580 G7 and configured active Data Guard Max Performace. Added SAN disks to multipathing and created ASM disks for Oracle Database and add diskgroups using ASMCA for Oracle. Upgraded Python 2.3, 2.5 to latest and help supported MySQL.
- Experience in Upgrading databases (10g R2 to 11g, 12c).Monitor and tune database performance, participate in capacity planning, including processing, storage, and back-up/recovery capacity.Manage and lead a team of Database Administrators.Perform backup and recovery procedures using RMAN with EMC Networker
- Performing Snapshots, Cloning, Migration VM ware convertor, Virtual Infrastructure client. Performing VMware crash/error analysis, Root cause Analysis, Coordinate Post Problem Analysis and Trend Analysis. Managing The VM infrastructure ( VMotion, DRS, HA, Virtual Center Server, VM Converter).
- Install new / rebuild existing Red Hat Linux Servers RHEL 5 & 6 and configure hardware Cisco UCS, services, storage. Repair and recover from hardware or software failures. Apply OS/application patches and upgrades on a regular basis, and upgrade administrative tools and utilities. Allocated storage for operating systems and applications. Solid understanding of RHEL 6.x / Oracle Linux using VMware vCloud / vSphere 5.1 Enterprise on Cisco UCS 5100 Series Blade Serverand HP. Migrated many Linux physical machine to Virtual Machine or from another Virtual Machine and converted Redhat Linux V4, 5 volume ext2, and ext3 to ext4 logical volume using FalconStor/DiskSafe.
- AIX 6,7 Support- Build LPAR system and Installed AIX 6.1 and 7.1 LPARs on HMC using NIM Power 7, and Power 8 systems, Upgraded AIX from 6 to 7 and Upgraded Maintenance level as well. Experience in Planning, configuring and Implementation of Virtualization on Power P-series 870, 770, 750, 595, 570, 550 running 2 pairs of VIO Servers, each VIO pair running 20+ VIO clients. Migrated UNIX servers to the new DR site and synced the data across two sites. Expertise to server utilization and sharing I/O resources to reduce total cost of ownership and make better use of IT assets using Power VM (Advanced Power Virtualization). Provided support for VDI solution including Citrix XenDesktop 7.x; XenApp 6.5; XenApp 6.0 and VMware ESXi V5 and V6.
- Creating and cloning of virtual machines, installing, configuring Redhat Linux 6,7, adding resources using VMware Virtual Client 5.5. Designed mission critical system with Disaster Recover and high availability solution using HACMP, SRDF. Involved in Sizing and Tuning of AIX servers (LPARs, standalones and VIOs on Power p870, p750, p740 & p5 570. Helped Tivoli team to install/configure Confidential Tivoli Monitoring V6.Performed a rolling migration from Power HA System Mirror 6.1 to Power HA System Mirror 7.1. Experience in connecting to an EMC disk subsystem with Power Path and MPIO. Responsible for installation, configuration, upgrade, troubleshooting and maintenance of AIX 5.3/6.1/7.1, VIOS on pSeries systems OS Security Patches and Additional Setup and configured TCP/IP network on AIX.
- Solaris 10, 11 Support: Configure and installed Solaris 11 installation to be a Logical Domains hypervisor as well as configuring Logical Domains in order to perform an installation of the operating system. Created new Zones or clone from an existing zone on SuperCluster. Created a pool for the CPU and added pool (processor set) to local zone. Add Bonded InfiniBand network on global ldom. Created grid disk from ldom1 for oracle database.
- Managed ZFS Appliance and added to LUN(S) to the appropriate project (Projects are nothing more then server or logical domain names). Created ZFS File system for Zone. Determine if the device needs to be replaced, and clear the errors using 'zpool clear' or replace the device with 'zpool replace'. Imported ZFS storage pool from Solaris 10 system into a Solaris 11 system using NFS file sharing and pool migration.
- Administered Oracle Solaris 11 system using Image Packaging System (IPS) to deal with software package repositories, install and uninstall packages, and update systems.
- Worked on Solaris LDOM technology, creating and maintaining both control and guest LDOMS
- Integrated virtualization. Enhanced security, increased utilization, and improved reliability through Oracle Solaris Zones and through Oracle VM Server for SPARC (previously known as Oracle's Sun Logical Domains). While Oracle Solaris Zones provides process isolation and Oracle VM for SPARC (that is, logical domains) provides OS isolation, PDoms provide hardware isolation on Spper Cluster M7.
Confidential, Chicago
Sun Solaris & Linux Oracle RAC Support:
Responsibilities:
- Installed using Jumpstart, upgraded, patched and configured Zones on Solaris, ZFS and Zpools. Migrated guest logical domain from one server to another compatible server. Migrated Servers using LiveUpgrade to Solaris 11. Plan, document and support high availability, data replication, business persistence, fail-over, fail-back using VERITAS Cluster Server (VCS) in SAN environment. Setting of quota on an Oracle Solaris ZFS filesystem. Solid experience with installation/support of Oracle RAC, Oracle 10/11/12g on Solaris/Linux and tuning the operating system components. Installed and deployed SUN Solaris 10zones/containers (7 to 10 zones per server T5 and M5 series), created scripts for automated creation of zones using Solaris Containers consolidated with multiple applications onto the same server, each securely in its own environment with application-specific resource. Provided Sun-Oracle Professional Service which includes Veritas Cluster Implementation, SAN Environment Setup, and Sun-Oracle Virtualization Solution (LDOM) etc.Successfully MIGRATED DATA from EMC to Hitachi over 400 servers using NON-Disruptive and Disruptive method.
Confidential - New York
UNIX Lead Server Consolidation Engineer
Responsibilities:
- Configured Red Hat Linux Kickstart Server and instalation of Red Hat Enterprise (ES) 4.7 & 5.2 on both physical and virtual (VMWare) servers and configured firewalls. Deep understanding of Linux Kernel's, Storage/File and I/O subsystems. Set up Linux Patching Group to update a group of Linux hosts. Ensure stability, viability and maintenance of the 24/7 mission-critical production
- Server Builds and Upgrade (Operating Systems): Install and upgraded Sun Solaris vesion 8,9,10, Confidential AIX 5.x, Redhat Linux V4.x, VCS V4.x and HACMP V5.x Clusters, Windows 2000/2003 servers. P-Series Hardware Installation, VIO Server 1.3.0 configuration, including logical partitions(LPAR) utilizing micro-partition shared and dedicated processors, memory, and virtualized I/O adapters. The virtual I/O adapters are configured and made available to the LPAR's via the redundant VIO 1.3.0 servers.
- Solaris Installation using Jumpstart and patching, AIX servers installation using NIM and mksysb, Linux installation using Kickstart. Deployed Confidential DS series storage in Linux, Power (pSeries) AIX.
- Veritas Clustering (VCS) on HP-Unix and Solaris: Create and manage Veritas Clusters 4.x, and troubleshoot storage problems. Attach and configure storage to systems. Configure storage using Veritas Storage Foundation and Confidential Volume manager.
- SAN: Experience with EMC DMX 3000, DMX 1000 and Clarion storage arrays; Emulex and Qlogic HBAs; EMC Control Center; Connectrix, EMC Power Path and Confidential Total Storage.
- Veritas Storage Foundation: Experience with Storage Foundation, VCS and vcs clusters; use of command line to configure disks, disk groups, volumes and filesystems; encapsulating and unencapsulating Solaris boot drives; growing and shrinking file systems; mending plexes; importing and deporting disk groups, starting volumes and Snapshots.
- Veritas NetBackup & Legato: Experience with restoring files, filesystems or entire systems from tape; designing and implementing backup policies and schedules; monitoring backups and reporting status; troubleshooting failed backups and backup using Veritas Snapshot.
- Disaster Recovery (DR): Actively involved in DR design and testing of Site failover, Node failover, Cluster failover, and Application failover. Kashya KBX5000’s SAN over WAN replication.
Confidential, Chicago, IL
AIX/ Linux/Solaris
Responsibilities:
- Configured Red Hat Kickstart server. Instalation of Red Hat Enterprise 4.1 & 5.1 on both physical and virtual (VM) servers and configured firewalls for a variety of customers.
- Installed, configured and supported Veritas Cluster Servers on Solaris 9,10.
- Upgraded AIX 5.2 to AIX 5.3 using NIM, and perform NIM builds, installs, mksysb backup/restore using NIM
- Hardware installation and patch management of Redhat, Solairs and AIX
- Build and configure Solaris virtual machines or zone configuration.
- Work closely with IT staff and clients in support of problem determination, problem resolution, and root-cause analysis.
- Capacity planning and hardware resizing.
- Planning and implementing of disaster recovery and high availability for critical systems.
- Shell Scripting (sh, ksh, PERL, SED, AWK, etc)
Confidential, Chicago, IL
UNIX Lead Server Consolidation Engineer
Responsibilities:
- Serve as technical lead for IT infrastructure migration / consolidation projects: Responsibilities include drafting a detailed technical plan (using Micro-Partitioning, Logical Partitioning and Virtualization) for hardware and software consolidation of five proprietary Solaris servers and 10 RS6000 Servers to two POWER p5 p570 systems.As part of the consolidation, we phase out the direct-attached storage DS4100/6000 to p5 p570 servers to use a EMC storage-area network.
- Upgraded Six (2) Confidential AIX 5.2 master backup Veritas clusters 4.0
- Four(2) Two-node Sun Solaris 9 Veritas Clusters 4.0
- 10 Confidential AIX 5.2 Netback up media servers, and
- 14 SUN Solaris V9 Netback up media servers3
- New Installation of 5 Linux Servers V4 and patches.
- Upgrade Sun Solaris 2.6 to Solaris 9 using live upgrade.
- Worked with the vendor to upgrade all the netback 4.5 to 5.1 and upgrade Veritas Cluster from 3.5 to 4.1.
Confidential, Columbus, Ohio
UNIX Administrator
Responsibilities:
- Performed a massive upgrading of existing infrastructure to new hardware in new data centers CDCs, including p5-570, p5-550, p5-520, p650s, p630, and p615s configured in power4/power5 LPAR mode/full System partition including designed and implementation of HACMP 5.2, HACMP/ES and Classic environments using EMC external storage devices and installation /configuration and Solaris / Veritas Cluster installation/configuration for the production,, disaster recovery, UAT, and dev/test of the merged company for the following business:
- Successfully completion of the existing infrastructure to new hardware including p650s, p630s, and p615s configured in power4 LPAR.
- Design, evaluating, implementation, configuration of multiple logical subsystems utilizing Confidential HMC, LPAR configuration and sizing, dynamic sizing of LPAR’s, resource allocation with thresholds, etc and transition pre-production servers to production support of over 420 LPARs nodes.
- Most of the servers were ordered p570, p650, p630, and p615 logically partitioned into four to eight LPARs each.
- Install NIM on one of the LPARs as NIM master.
- Use NIM Master to perform the migration / installation on each node to upgrade it from AIX 5.1 to AIX 5.2 or new install AIX 5.2.
- Disk and volume management experience, including Confidential LVM and Veritas Volume Manager on local and EMC Power Path.
Confidential, Riverwood, IL
UNIX Administrator/Team Leader
Responsibilities:
- Responsibilities includes hands-on and team leadership with the following: Install, Upgrade, Configured locally and remotely using NIM and applied latest fixes for 300+ servers AIX 5.1, 4.1, 4.2, 4.3 and 3.2.5 on various Confidential RS/6000 Models such as P Series @610/630, P@650/670/590, F50, F40, F30, H50, H70, C10 etc.
- Configured HACMP 4.5, managed, monitored and administers clustering products on Confidential P Series.
- Provided helped in installation of WebSphere 4.0, configuration, customization, tailoring in production, test, and development environments.
- Install Solaris, setup/used Jumpstart and Managed 200+ Sun SPARC Enterprise (E10000, E6500, 4810, E420R, E450, Sun V480 Sun Fire Server.
- Backup & Recovery: Installed & Configured Netwoker (Legato Backup Server) on RS/6000 Confidential AIX and Sun Solaris Servers for each centers totaling 500 Unix servers attached to Storage Tek STK 9714 has 224 tapes, STK L tapes capacity each 70Gigs.
Confidential, Chicago, IL
UNIX Administrator and Capacity Planning/Performance Tuning Analyst
Responsibilities:
- Installed and created many databases for different application teams.
- Supported 7/24 Production and Development Database’s
- Installing and Implementing Performance Tools (Best1 and Loadrunner) on all SunOS/Unix and Confidential RS/6000 machines
- Using a generic system provided detailed information about resource utilization keeping current and future system performance at its best to avoid reaching capacity limits unexpectedly.
- Responsibilities included the following: Implemented BEST/1 Performance and Capacity Planning software for Confidential Cellular's production systems last May of 1997.
- Deployed toolsmgr host as the BEST/1 performance and capacity planning managing node.
- Installed and rolled out BEST/1 Collect agent on the following production systems: ACES, Data warehouse, Paging, Telesales, Toolkit and DCA.
- Conducted performance analysis and produced baseline models for all the above servers using the BEST/1 capacity planning software.
Confidential, City of Chicago
UNIX Administrator
Responsibilities:
- Responsible for installation and upgrade of AIX3 on several RS/6000 model 580, 550, 250 and 220.
- Assisted in the establishment of UNIX Administration functions and Tool Evaluation, selection, installation and administration.
- Participated in the network configuration and modifications.
- Responsibilities also included providing support to several IP and Novell IPX networks, routing and optimizing overall network performance by way of running stack of protocols.
- System Administration responsibilities include maintaining user accounts, backups, installation and upgrades of hardware and software.