1. Administrator
Krishna P
Email: krishnap.storage@gmail.com Mobile : +91- 7032713239, 8297319529
PROFILE SUMMARY
To be professionally associated with an organization that provides Career growth with an objective to accept
the challenges involved in system administration and to work towards smooth functionality and play a
responsible role in achievement of goals of the organization.
PROFESSIONAL EXPERIENCE:
Over 5 years 8 months of professional experience as a Unix and Storage administrator
TECHNICAL SKILLS
Operating systems : ONTAP 8.x,Sun Solaris 10 , Redhat Linux ,
3rd
party Tool : VERITAS(volume manager, clusters)
High Availability : VERITAS Cluster , ONTAP c-mode
Ticketing Tools : Remedy (SMART Tool), Oracle (ISP)
Server Hardware : Sun Fire E6900, E4800
Storage Hardware : NetApp FAS series, V-series & Emc (Clariion AND Symmetrix)
SAN Switches : Brocade
Netapp
Creating new aggregates on FC and SATA drives. Addingthe disks to existing aggregates.
Creating volumes on the Aggregates.
Creating Vertual Interfaces and assigning them for Aggrigate
Creating qtrees and setup the thresholds for alerting. Exported the volumes through NFS exports to
UNIX hosts and Managing quotas
Creating the SAN luns and thin provisioned luns on the volumes. Provisioned the luns to hosts
through iscsi/FCP.
Knowledge on iscsi group and added the nodes to group. Verified iscsi group
CIFS shares to windows hosts through CLI.
Generating perfstat on the filer for troubleshooting the NetApp filer performance issue.
Configuration the auto support on the filers.
Good experience in storage Netapp NAS & SAN environment.
Knowledge in cluster nodes , and on failover& giveback functionalities
2. Configuring and troubleshooting issues related to NFS,CIFS, iSCSI and FC LUN
Managing important configuration files (/etc files).
Creating Snap shot manually and by scheduling Jobs.
Good experience on Replication like SNAP Mirror & SNAP Vault
Creating Maps & graphs using DFM tool to analize I/O trends.
Working with NetApp support to get the parts replaced.
Good experience on Configured Snap mirror for GEO DR, and scheduling replication.
Good Knowledge on Flex Cash , Flash pool & Deduplication
Data ONTAP 8.1 7-Mode: New Features Data ONTAP 7-Mode
Knowledge Data ONTAP 8.1 Cluster-Mode and its New Features
Cluster Architecture
Aggregate , Vserver , Volume creation in c-mode.
LIF creation and Assigning to Aggrigate.
Cifs , NFS sharing & PNFS
Snap shot, Snap Mirror & Snap Vault (xdp)
SFO & CFO implementation.
Solaris
Configuring Raid 0 , Raid 1 and Raid 5 for disk and data management by using SVM.
Exposure with Security tools like SUDO on sun servers.
Implementing and Managing NFS services.
Knowledge on Administering ZFS storage pools and files systems.
Process management and Performance Monitoring.
Network Management - configuring and monitoring the network interfaces.
VERITAS(VxVm)
Configuring Raid 0 (stripe and concatenation), Raid1,Raid 5 for disk and data management
using VERITAS Volume manager.
Creating, Resizing, Importing and Deporting of Disk groups.
Creating, Resizing, Restarting, and Removing the Volumes.
VERITAS (Clusters)
Monitoring Service Groups on daily basis.
Freezing, switching service groups in VCS during the maintenance Window of a Node.
EMC (Clariion AND Symmetrix)
Zoning performed on Brocade Switches
Storage provisioning (LUN creation, Masking, Mapping) on Symmetrix and CLARiiON
CX400 to windows and Solaris hosts, according to business needs.
3. Linux(Red Hat)
Setup and Maintaining User and Group Accounts.
Creating and Managing File systems.
Implementing and Managing NFS services.
Installation and Managing of Packages using RPM and YUM.
Configuring and Managing Logival Volume Manager (LVM)
Job Automation.
WORK EXPERIENCE
Working for IBM INDIA Pvt. Ltd., as Technical Service Specialist.
Responsibilities as a Technical Service Specialist
Netapp
Daily health checks on all Netapp filers we support to determine any hardware failures like
disk shelf, controllers , NVRAM, Motherboard etc..
Monitor DFM tool for any critical and priority events and work towards remediation of
those events.
Space Management at Aggregate level, Volume level and make sure NFS exports and
CIFS shares and SAN luns are space extended properly.
Mangement of user and disk quotas on quota trees created on respective volumes.
Creation and Management of VIFS (Virtual Interfaces).
Space provisioning over NFS by creating exports and over CIFS by creating shares.
Creation and Management of luns over SAN network to various unix and windows hosts.
Scheduling creation of snapshots for enabling data protection on each volume.
Plan and implement DB refresh activities which involves creation of snapshot and
flexclone technologies.
Plan and implement Snapmirror configuration to enable data protection across filers at
volume level.
Configure Snapvault for data protection and retain snapshots on destination for longer
periods.
Creation and management of Vfilers and addition of new volumes to Vfilers , management
of ipspace .
Configure vfiler DR to takeover during any issues with primary vfilers.
Heigh Availability:
configurations for maintaining uptime of filers across
loss of cables.
4. loss of controllers.
loss of disk shelfs.
Solaris
Configuring Raid 0 , Raid 1 for disk and data management by using SVM.
Exposure with Security tools like SUDO on sun servers.
Implementing and Managing NFS services.
Knowledge on Administering ZFS storage pools and files systems.
Expetise in handling installation, troubleshooting & required configuration of the
SUN Servers from console (SC prompt) Level..
LUN configuring and increasing the existed f/s
Job Automation
VERITAS(VxVm)
Creating, Resizing, Importing and Deporting of Disk groups.
Linux(Red Hat)
Installation and Managing of Packages using RPM and YUM.
User & Group Administration and Resolving the user related problems.
Implementing Sudo on user.
Scheduling of automatic repetitive Jobs with Crontab.
Configuring and Troubleshooting RAID Levels RAID 0, RAID 1, RAID 5.
Configuring and Managing Logival Volume Manager (LVM)
Monitoring disk status, System processes User process activity, Memory activity
and Network, Memory and Swap space Management.
Worked for Sun Microsystems Private Limited (Oracle India private limited), Bangalore as Technical
Suport Engineer.
Responsibilities as a Technical Support Engineer:
1.Working on SR(Services Requests), which is opened by the various customers on SOLARIS O.S.
2.Trouble shooting on various OS issues. Providng documentation according to Issue.
Handeling :
. Patching Issues .
. Zone Issues.
. File system Issues.
. Booting Issues.
. Resource Issues.
. Zfs Issues.
5. Worked for MPHASIS, Bangalore as an Delv Software Engineer.
Responsibilities as a Delv Software Engineer:
Worked on Data Center on Various servers physically and provided Remote Support.
Installation of Linux , WINDOWS (all versions), SOLARIS (9 & 10), Veritas Volume Manager,
HP-UX by using various hp internel tools.
Worked on Hardware issues on HP PROLIANT servers and Sun Fire E 6800,6900.
Worked on SVM issues, Zone issues and Patching issues.
Worked on Server performance issues.
Worked on Network issues and Minor Trouble shooting.
Package administration on linux and Patch administration on solaris.
EDUCATIONAL QUALIFICATION
MCA FROM KAKATIYA UNIVERSITY,AP.
PERSONAL
Marital Status : Single.
Nationality : Indian.
Language Known : English, Hindi, Telugu.
Passport Status : Valid.
KRISHNA P