Jegan Chinnu

Working as a Lead Analyst – SME – Storage Administrator.

Roles and responsibilities:

Managing DELL EMC Unity/EMC Unity AF450: Build, Deploy (rack, stack, cabling design), configuration, and administration.

DELL VxRack VxFlex-Scale IO Storage.

a. Rack, stack, and cabling of VxFlex nodes on racks and cables connected to corresponding Cisco Nexus access switches, aggregate switches, and management switches.

b. Knowledge on run and maintenance activities, such as replacing faulty HDD and SSD disks, and RAM failure in VxServer.

c. Knowledge in gathering TSR logs for Dell VxRack and exporting them to VCE for hardware-level troubleshooting.

d. Knowledge in expanding the volume size in ScaleIO.

e. Knowledge in installing ScaleIO in VMware vSphere 6.5.

f. RCM is upgrading the Scale IO, coordinating with DELL EMC by taking all precautionary actions.

g. Provisioning storage pools and volumes from VxFlex OS to the hosts/SDC.

h. Migrating volumes from one pool to another pool – VxTree granularity.

NetApp

a. Experience in configuring snapshots, flex clones.
b. Experience in configuring SnapMirror, SnapVault.
c. Good exposure to NetApp monitoring tools, like OnCommand Unified Manager and OnCommand Performance Manager for cluster mode.
d. Knowledge of configuring and maintaining thin provisioning on storage arrays for simplifying storage management processes, and improving storage capacity utilization.
Experience with I-track tool.
e. Implementing provision requests from customers for NFS and CIFS shares.
f. General administration, including raid groups, aggregates, vservers, volumes, etc.
g. Performance and capacity monitoring of NetApp.
h. Configured SnapMirror and SnapVault in NetApp.
Involved in Ontap upgrades.
1. Troubleshooting issues in the environment after talking to the NetApp customer support and customer.

EMC Isilon Administration - Advanced knowledge and 2+ years of experience in EMC Isilon NAS arrays.

Rack, Stack and port map design creation. Models – F900, F200; Administration, Cluster upgrade, Insight IIQ report generation and upgrades, Replication SyncIQ configuration, NAS share configuration and quota management, Quota Hardware break fix and performance troubleshooting, Isilon job policy.

Worked as an EMC/VCE Cloud Storage and VMware Administrator.

Build and manage the VCE Vblock and storage/VMware environment.

Responsibilities:

• Managed VCE Vblock, EMC VNX (5500/5800/7500, 7600, 8k), VMAX, VPLEX, RecoverPoint, VNXe, and EMC VNX Unity.
• VMware, vSphere Client, VMware SRM, vRPA, Cisco UCS B-series / C-series blades, and vCloud Director.
• DELL EMC Unity/EMC Unity AF450 - Build, Deploy (Rack, Stack, cabling design), configuration, and administration.
• EMC VMAX Configuration and Administration
• EMC RPA (Physical) - Build , Deploy (Rack, Stack, cabling design), configuration and Administration.
• Configured - VMware SRM – Site Recovery Manager for VM DR setup.
• CISCO rack-mounted servers for ESXi cluster (C-Series C240 M4/M5) and for SAP HANA - build, deploy (rack, stack, cabling design), configuration, and administration.
• CISCO MDS 9000 Series – Building fabric design and deployment (rack, stack, cabling design), configuration, and administration.
• NetApp SolidFire - Build, Deploy (rack, stack, cabling design), configuration, and administration. NetApp NetApp Cluster Mode (.

• NetApp’s (FAS 2520, 2552, 2620, 2720, 8040, 8200, 8300, AFF220, AFF400, AFF700, FAS, and NetApp Insight, ONTap Select), EMC’s (X400, X410, NL400, and NL410).

- Build, deploy (rack, stack, cabling design), configuration, and administration.

a. Good knowledge of NetApp C-mode Physical Architecture.

b. NetApp Cluster Mode – Creating port map design for the new NetApp C-Mode array and working with the NetApp team to deploy it along with IP configurations.

c. Deploy, manage, and monitor AIQUM (latency, IOPS, and threshold) of NetApp storages.

d. Integrate production storages and production switches in OnCommand Insight to check health, performance, threshold, availability, and its reporting.

e. Grant access and permission to new clients for the CIFS share with their respective shares.

f. Create Aggregate Volume Qtree.

g. Experience in implementation, providing solutions, storage monitoring and troubleshooting storage system.

h. Configuring Cluster, Disks and Diskshelf config, Assigned disks to Nodes, Created Aggregates and adding Disks to it, Created Volumes, Configured Qtrees, Configured CIFS SMB, NFS shares, Exported CIFS,NFS shares to respective destination servers.

i. Configured vservers SVM, Data LIFs Management LIFs, Enabling ACP. Also Configured Block storage Volumes, Cisco Zoning and Mapped Block LUNs to the ESXi hosts.

j. Zoning on Brocade and Cisco SAN Switch

k. Having experience in managing storage operations in Data Centers, performing firmware upgrades on storage resources

Netapp OCI for analyzing, Report and performance tuning for the cloud environment.

RUBRIK - Build , Deploy (Rack, Stack, cabling design), configuration and Administration.

Involved in Microsoft Azure cloud Migration Projects in NTT Limited.

· Design using the existing client cloud infrastructure to the Azure Cloud.

· Interacting with clients by explain the design of their existing infrastructure and design to the Azure cloud platform using High-Level design and get the contract signed

· Explaining the client resource allocation details, resource planning on how to migrate their VM’s/Physical nodes, Network infrastructure to the Azure Cloud. Also, we are creating our design for each client along with engaging the Microsoft Migration team to make out the complete design of the client resource in to Azure Infrastructure. Using Azure Migrate appliance we are migrating the resources in to Microsoft Azure.

Working as a Cloud Administrator in the role of 'Professional 2: System Administrator' on the team 'GDN Platform'.

Cloud Ops II””. Responsible for managing the cloud environment, which has more than 50 VBLOCKs, by using the tools.

EMC Unisphere for managing VNX, VNX-NAS, VNXe, VMAX, and RecoverPoint.

EMC RecoverPoint tool, EMC RecoverPoint CLI (EMC RPA, both Gen4 and Gen5 appliances),

EMC SMC (Symmetrix Management Console), Symcli, Navisphere, navicli, and naviseccli, EMC VNX NAS CLI, EMC Performance Analyzer, and EMC Prosphere.

CISCO Device Manager, CISCO Fabric Manager, CISCO Zoning CLI, and CISCO UCS Manager for managing and administration. Of Cisco blade hosts.

VMware vSphere Client 5.0, VMturbo capacity and performance report generation, and Site Recovery Management (SRM).

Clients Supported: IAG Australia, ING Japan, Motorola NA, Metlife NA, Ameriprise NA, Tenix AUT.

Rio Tinto Australia, Golden State Foods, North America.

Responsibilities:

EMC VNX:

• Zoning the VNX SP ports to the Cisco UCS blades and registering the host HBAs in VNX CLARiiON.
• Creating thin pools (Select SAS, Standard, Premium, and Select+) according to the client requirements and the criticality of the application's data.
• Adding the disks to the thin pools according to the tiers in 'Select, Select+, Standard, etc.'
• Carving thick data LUNs from the thin pools and creating boot LUNs from thin pools as pre-allocated capacity or will be created from the RAID groups.
• Configuring EFD disks for FAST Cache in pairs, and enabling the FAST Cache in the thin pools.
• Enabling the 'Auto-Tiering and Disk Relocation Schedules' for thin pools configured with mixed disks.
• Provisioning the LUNs to the cluster hosts by adding the LUNs and connecting the host to the storage groups. Configuring LUN HLU IDs should be the same for all the hosts in the cluster.
• Migrating the data between the LUNs and monitoring the status.
• Analyzing the performance of VNX storage by starting to enable periodic archiving of NAR files.
• Retrieving the NAR files, merging the NAR files, and opening the merged NAR files to check the LUN IOPS, disk latency, SP utilization, total R/W rates, etc. And also doing performance tuning if the performance metrics in the storage report graph are above their threshold level.
• Doing pre-checks before the upgrade, upgrading the VNX storage, both block level and file level, and also performing a post-health check of the array after the upgrade.
• Troubleshooting issues such as disk failure, break-fix issues, zoning, performance tuning, and expanding the LUN if the datastore in VMware reaches its threshold level, etc.
• Configured SAN copy migrations.
• Supported on-call on a weekly rotational basis and attended the TAB meeting for the client and SDM approval for weekend change activities.

VNX-NAS:

• Created a NAS storage pool using the physical thick LUN from the block storage, configured a new filesystem (CIFS or NFS) on the datamovers or VDMs, mounted the FS, created the share path, and exported the FS share path from the NAS DM/VDM head to the standalone servers.
• Configured the replication for the NAS filesystem between the PROD datamover and the peer datamover, and enabled the replication.
• Expanded the existing filesystem and the filesystems that are part of replications.

VMAX:

• Zoning Cisco UCS blades to the VMAX array FA ports, enabling port flags on the initiator group, or it can be set on a per-initiator basis.
• Adding new hosts in VMAX Unisphere, and creating an alias name for the initiators.
• Creating pools using the disks 'EFD, FC, and SATA disks' with respect to the VCE standards, like SATA RAID-5 disk for select pool, SATA RAID-6 disk for standard, etc., and setting the MAX subscription value in percentage to each pool.
• Creating disk groups, adding disks to the disk groups, creating DATA devices, adding DATA devices to thin pools, creating thin devices, and binding thin devices to thin pools.
• Auto-provisioning by creating initiator groups and adding host initiator members to the initiator groups, adding the initiator group to another initiator group as a child IG.
• Created a port group, added the VMAX FA ports to the port group, and set ACLX flags to the ports in the port group.
• Created a storage group and added the thin devices to the storage group by enabling the 'Consistent_LUN' option.
• Created a masking view and added the initiator group (IG), port group (PG), and storage group (SG) to make the visibility of the thin LUNs to blade hosts.
• All the above tasks were done using both EMC Unisphere, EMC SMC, and EMC SYMCLI.
• Expanded the thin LUNs by creating another TDev of the same size with the same disk configurations and setting the attribute as 'BCV+TDev,' and then adding the members to it.
• Migrating the LUNs between the disk tiers and disk groups.
• Worked on various troubleshooting issues and performance analysis using STP logs and a performance analyzer.

EMC RecoverPoint Appliance:

• Implemented and configured the new RPA clusters between the PROD and DR sites.
• Configured zoning between the RPA and VNX/VMAX storage arrays.
• Configured the RPA clusters using the DM (Deployment Manager tools) by configuring DNS, DNS Domain, Gateways, subnet mask, RPA IP, and RPA Virtual IP on both sites.
• Configured the data LUNs, journal LUNs, repository volumes, GK devices from storage to the RPA clusters, and created a consistency group (CG) by creating replication sets, adding PROD and DR volumes in replication sets, configuring journal LUNs, and adding the LUNs to the storage splitters, etc.
• The failover test has been done after post-implementation.
• Changing the RPA MgmtMode policy to 'SRM' for VM datastores.
• Worked on the SRM (Site Recovery Management) tool and configured protection groups, recovery plans, etc.
• Done with load balancing on RPA clusters if there is a continuous high load seen on CGs.
• Involved in RPA upgrade activities.

CISCO UCS:

• Good in Cisco UCS architecture.
• Created service profiles and associated the service profiles with the UCS chassis servers.
• Created and modified a new boot policy, BIOS policy, and adapter policy, adding vHBAs and vNICs for the chassis blade.
• Moved the service profiles from one chassis blade to another chassis blade, and cloned the service profiles.
• Installed the ESXi 5.0 ISO image and configured the management IPs, DNS servers, network configuration VLANs, gateway, and set the ESXi root password on the blade host, etc.
• Involved in a few troubleshooting issues by retrieving the UCSM logs and UCSM chassis logs.

VMware:

• Created clusters in the VMware vCenter and added the Cisco UCS blade hosts to the cluster.
• Configured DNS and routing configurations for the blade hosts; also configured the NTP server for time synchronization.
• Configured the network parameters for blade hosts in VCenter, such as 'Mgmt network, Prod, and Vmotion.'
• Creating VMs and adding the storage data LUNs as 'Datastores' to the VMs.
• Performing storage vMotion and VM vMotion.
• Migrating the VMs between the datastores and chassis blade hosts in the cluster to efficiently make use of datastore space.
• Expanding the existing datastores and extending the disks at the OS level using 'diskpart' or 'extpart'.
• Adding VCPU, memory, and virtual disk for a VM host. Assigning the new RDM disk to VMs.
• Worked on VMturbo reports by providing capacity reports and performance reports to the SDM and client on a monthly basis.

VCloud Director:

• Worked on VCD Vcloud Director in a few scenarios, such as adding new disks to the existing VMs in VCD, increasing RAM and memory by powering off the VMs, and expanding the VOrg total capacity space in VCD, etc.

VPLEX:

• Connectivity and zoning configuration between two VPLEX and VNX storage arrays.
• Discovered new arrays on VPLEX once all are physically connected.
• Claimed and reclaiming storage on VPLEX.
• Created extents and curving virtual volumes from the LUNs.
• Added the virtual volumes to the storage views, where the cluster hosts are added, and adding VNX port and host initiators on VPLEX.

Functioned as Senior Storage Administrator for GCI_DTS Storage Team. Directed SAN administration involving technologies such as CLARIION, Symmetrix DMX, V-Max, Centera, VNX, Celerra, Cisco FABRIC, Device Manager, and Brocade Connectrix Manager.

Responsibilities:

• Zoning the FA ports of the storage arrays to the HBAs of the servers using the Cisco Fabric Manager (both hardware and software zoning).
• Rezoning in case of host or storage port failures.
• Monitoring the switch ports and checking the health/status of the ports using the Cisco Device Manager.
• Creating devices of required RAID types on the Symmetrix arrays, mapping the devices to the FA ports of the array, and presenting (masking) the devices to the hosts/servers using EMC Control Center and sym-cli.
• Creating EMC TimeFinder point-in-time copies, such as Sym-Clones and Sym-Snaps.
• Done with the Clone DB refresh every month by putting the DB in hot backup mode, activating the point-in-time copy clone session, and then changing the DB back to production mode.
• Creating BCV devices in Symmetrix and establishing, suspending, re-establishing, and splitting the Sym-BCV relationships.
• Creating RAID groups, binding LUNs, adding LUNs to the storage group, and presenting them to the host using Navisphere GUI and CLI.
• Configuring Hot Spare in Clariion using Navisphere GUI.
• Creating snapshots, clones, and mirror copies in CLARiiON.
• Decommission the servers that need to be removed from the SAN, i.e. Unmask the devices from the servers, unmap the devices, dissolve meta devices into individual devices, and remove the zones.
• Recovering from SRDF alerts by checking the RDF Director status. Recovering the RDF groups when moved to a suspended state by moving the group to ACP mode and back to Async.
• Running the Open Replicator session from EMC to NetApp box by using the 'symrcopy' command every month and monitoring the session until it gets completed.
• Cooperating with EMC to perform the DMX ingenuity upgrade and CLARIION code upgrade.
• Cisco switch upgrade to version 5.4 from code 3.3.2.
• Done with the solution enabler upgrade from V7.1 to V7.4, and the ECC upgrade from version 6.1 UB7 to UB12.
• Complete VMAX disk allocation by using the Symmetrix Management Console (SMC GUI).
• VNX disk allocation by using EMC Unisphere.
• Enabling the SCSI persistent bit for standard devices.
• Installing and Upgrading the EMC Control Center Agents.
• Windows host-level migration between the different CLARiiON boxes and at the same box (using the OPEN MIGRATOR tool).
• Opening cases and service requests with EMC, and working with EMC personnel on various critical situations.
• Provided on-call support.
• Continuously interacted with the Client Support Representative to meet the storage requirement in a satisfactory manner.
• By using queries, create the storage reports, such as the Array utilization report, Host utilization report, and Port utilization report, etc.
• Troubleshooting the failures in Symmetrix, Clariion, and Centera, such as disk failures, LUNs not visible to the host, RDF link failures, power subsystem failures, director failures, Cisco switch port failures, HBA failures, and DIR/SP failures in Symm and CLARiiON, as well as Ethernet port failures, disk failures, and switch failures in Centera.
• Adding the client to the group and scheduling the backup policy (Browsable and retention policy) for the resources added to the new or existing group. Labeling and configuring the media for the storage node to make backups from the client resources.
• Clients Supported: General Motors, Healthways USA, Weyerhaeuser, TJX Companies, Agilent Technologies Huawei telecom,R.J. Reynolds Deutsche Bank

• Administered SAN systems including CLARiiON, Symmetrix, Centera, and CISCO FABRIC.
• Allocated and deallocated LUNs for Symm and CLARiiON storage solutions.
• Decommissioned hosts to optimize storage infrastructure.
• Configured zoning using CISCO technologies to enhance network efficiency.

• Administered SAN environments utilizing EMC Symmetrix and CLARiiON arrays, CISCO, and McDATA switches.
• Allocated LUNs to servers from Symm DMX and CLARiiON arrays.
• Decommissioned servers by unmapping, unmasking, and removing devices from storage.
• Executed zoning using CISCO MDS Fabric Manager and Brocade Connectrix Manager.
• Resolved HBA and disk failures during on-call Sev1 and Sev2 support.
• Cleared host names and WWNs in VCMDB for accurate inventory management.
• Ensured optimal performance of managed storage services through proactive monitoring.
• Supported multiple clients including GM, 7-Eleven, and Citi with technical solutions, 7-Eleven,AOPS customers BancTec Inc, Baylor,Cardinal Health (HR Self-Service portals and Benefits Admin),Citi,Client EDS,County of San Diego Goodrich,ING, Intellinex MERS,Nike (B2B, B2C and B2S) Symantec

• Completed three-month training in Remote Infrastructure Management at CMC Limited, Chennai, specializing in SAN Administration.
• Gained knowledge in DAS, NAS, and SAN concepts during training.
• Acquired skills in VERITAS Net Backup Advisor as part of training program.
• In March 2007, I was assigned to work for EDS as a contract employee from CMC Limited.