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 operations will be either direct access or indirect access. The Write requests will not send to the disks immediately until CP […]
Archives for 2015
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 one of the HA controllers. But in C-Mode , Multiple controllers will be aggregated in the cluster and […]
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 arrays. Each of the Netapp FAS platforms can be configured with SATA, SAS, or SSD disk shelves, and shelves can be mixed. This allows you to scale performance and […]
NetApp – Clustered DATA ONTAP – Objects and Components – Part 2
This article is going to explain about the NetApp clustered DATA ONTAP’s physical objects and virtual objects. Physical elements of a system such as disks, nodes, and ports on those nodes―can be touched and seen. Logical elements of a system cannot be touched, but they do exist and use disk space. For the NetApp beginners […]
Solaris 10 – Not booting in New Boot Environment ? Liveupgrade
I have been dealing with Solaris 10 Live upgrade issues from almost five years but still the new LU patches are not able to fix the common issues like updating the menu.lst file and setting the default boot environment. If the system is configured with ZFS root filesystem, then you have to follow the Live upgrade […]
NetApp – Clustered DATA ONTAP – Overview – Part 1
NetApp is very popular for NAS (Network Attached Storage) from the past decade . In 2002 , NetApp would like to change the NAS tag to SAN. So they have renamed their product lines to FAS (Fabric Attached SCSI) to support both NAS and SAN. In the FAS storage product lines, NetApp provides the unique storage solution which […]
Openstack – Backup cinder volumes using swift storage
This article will demonstrates that how to configure the cinder volumes backup using swift as backend storage. As you all know that swift is the Object storage within the openstack project. Swift is highly available , distributed and consistent object storage. In the previous article ,we have seen that how to make the glance image service […]
Openstack – Re-Configure Glance to use swift Storage
This article will demonstrates that how to re-configure the glance image-service to use backend store as swift object storage. By default , Image service will use the local filesystem to store the images when you are uploading it. The default local filesystem store directory is “/var/lib/glance/images/” on the system where you have configured the glance image service. In UnixArena tutorial […]
Openstack – Configure Telemetry Module – ceilometer – Part 18
This article will demonstrates the deployment of telemetry modules on Openstack environment. The telemetry services are developed in the name of ceilometer. Ceilometer provides a framework for monitoring, alarming and metering the OpenStack cloud resources. The Ceilometer efficiently polls metering data related to OpenStack services. It collects event & metering data by monitoring notifications sent from OpenStack services. […]
Openstack – Configure Orchestration Module (HEAT) – Part 17
HEAT is Openstack’s orchestration program. It uses the template to create and manage openstack cloud resources. These templates normally called as HOT (HEAT orchestration template). The templates will help to you to provision bunch of instances, floating IPs, volumes, security groups and users in quick time. A Heat template describes the infrastructure for a cloud application in […]