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NetApp – Clustered DATA ONTAP – FAS Series – Part -3
NetApp FAS unified storage arrays available in wide range of configurations to meet the current business needs. Clustered Data ONTAP operating system is available for all the FAS unified storage...
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NetApp – Clustered DATA ONTAP – Read Operations – Part 4
There is a huge difference between DATA ONTAP 7 Mode and C-Mode on data access methods. In 7-Mode, we will be having HA pair controllers to access the data. When the request comes , it will go to any...
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NetApp – Clustered DATA ONTAP – Write Operations – Part 5
This article is going to explain about the Netapp write operations. In Clustered Data ONTAP , write request might land on any of the cluster node irrespective of the storage owners. So that data write...
View ArticleNetApp – Configuring the Two Node Cluster – Part 6
This article will demonstrates that how to configure the NetApp (Clustered ONTAP) two node cluster. Since I am going to use the simulator for this demonstration, we can’t virtualize the HA pair...
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NetApp – Clustered DATA ONTAP – License Management – Part 7
In NetApp Data ONTAP , you must buy license keys to enable the additional features. NetApp Data ONTAP 8.2 onwards ,all the licesne keys are 28 characters in length. In Clustered Data ONTAP , you must...
View ArticleNetApp – Clustered DATA ONTAP – Shells & Directories – Part 8
The one of the most famous proverb about the Unix systems is – “Where there is a shell there’s a way” . If you want to directly interact with system kernel, you need a shell. NetApp Clustered Data...
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NetApp – Clustered DATA ONTAP – Storage Aggregate – Part 9
Storage systems should provide the fault tolerance if any disk failures occurs in disk-shelf’s. NetApp uses the RAID-DP technology to provide the fault tolerance. A RAID group includes several disks...
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NetApp – Clustered DATA ONTAP – Storage Failover – SFO – Part 10
In NetApp Storage system, RAID feature will provide the fault tolerance in-case of any disk failures. But what will happen if the controller(node) itself fails ? NetApp ships the controllers as HA...
View ArticleNetApp – Clustered DATA ONTAP – Data Vserver (SVM)- Part 11
NetApp Clustered data ONTAP consists three type of vServers, which is helping in managing the node, cluster and data access to the clients. Node Vserver – Responsible to Manage the nodes. It...
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NetApp – Clustered DATA ONTAP – Volumes – Part 12
In NetApp , Volumes are used to store the system data, filesystem and clients data. By default, node’s operating system (mroot) is installed on volume “vol0”. Volumes are created on top of aggregates...
View ArticleNetApp – Clustered DATA ONTAP – Configure Export policy – Part 13
Export polices are used to restrict the NFS/CIFS access to the volumes to clients that match specific parameters. Export polices contains one or more rules that process each client access request . A...
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NetApp – Clustered DATA ONTAP – SAN – Part 14
NetApp is a unified storage. It supports both NAS and SAN protocols. SAN is a block-based storage system that uses FC, Fibre Channel over Ethernet (FCoE), and iSCSI protocols to make data available...
View ArticleNetApp – Clustered DATA ONTAP – Tutorial
NetApp Clustered Data ONTAP is one of the emerging technology in the storage market. Cloud technologies demonstrated that how to reduce the IT operation cost by utilizing commodity hardware. This was...
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How to Patch/Update RHEL 7 without internet connection ?
Linux is not a windows operating system to install the security patches and other bug fix patches for every week. At the same time , it’s not like an Unix operating system where you no need to patch...
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Kernel Based Virtual Machine (KVM) – Overview Part 1
KVM is free open source full virtualization solution for Linux on x86 hardware. After the cloud revolution, KVM(Kernel Based Virtual Machine) Virtualization is a hot topic in the industry. Most of the...
View ArticleRedhat Enterprise Linux – KVM Installation Part 2
This article will demonstrates that how to install the KVM (kernel-based virtual Machines) packages on Redhat enterprise Linux 7.2 . We must have “yum repository” to install the KVM packages and it’s...
View ArticleRHEL 7.2 – Configuring KVM hosts – Part 3
KVM hosts needs to be prepared to store and provide the network access to the guest machines. In last article ,we have seen KVM package installation and VMM(virtual Machine Manager) package...
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Launch the first KVM instance using CLI – Part 4
Provisioning new VM’s (guests) using “virt-install” binary is straight forward. virt-install can be run in interactive or non-interactive mode. This command have more options but easy to remember...
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Deploy KVM instance using Virt-Manger (VMM)- GUI – Part 5
Virt-Manager is powerful GUI tool to manage the multiple KVM hosts and it’s associated VM’s. It support’s XEN virtualization too. It can be installed on KVM hypervisor hosts or on centralized...
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KVM – Virtual Machine Manager Font issue – VMM GUI
Virtual Machine Manager (VMM or virt-Manager) is GUI tool to manage the KVM hypervisors. This tool can be installed on KVM hosts or in remote system to manage the VM’s. When I tired to access the...
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