Essential Guide
Guide to LUN configuration and virtualisation
This LUN storage guide to LUN configuration and virtualisation has all you need to know: From provisioning LUNs for physical hosts to LUN management in virtualised environments
Introduction
LUN storage configuration has long been a cornerstone of storage management. The LUN – a chunk of storage created from RAID partitions on a SAN – presents a logical volume of capacity to an individual server.
That’s still relevant today in the era of virtualisation. Many users retain physical servers that need a one-to-one connection between host and LUN. But, the role of the LUN is also changing with the rise of server and desktop virtualisation. It now forms a container for the logical objects used by VMware, Microsoft Hyper-V etc.
In this guide you will find all you need to know about LUNs, LUN configuration and management, including their use in virtualised environments.
1All about LUN-
LUN Storage News and Tips
LUN storage and its role in SAN management
Explore logical unit number (LUN) storage and its role in SAN management. Learn how to create a LUN, how to share a LUN, and find out about LUN provisioning and LUN masking. Continue Reading
Virtualisation and the LUN: Storage configuration for VMs
Virtualisation and the LUN: Storage admins used to match LUNs to physical servers, but that’s all changed. Find out how in this guide to the basics of VM storage Continue Reading
Five LUN management basics
IT expert Brien Posey discusses five fundamental ideas storage professionals must understand when dealing with LUN management. Continue Reading
Three ways to configure iSCSI LUNs in a virtual environment
Dennis Martin offers three ways to configure iSCSI LUNs with VMware and Hyper-V -- two using the hypervisor while the other bypasses the hypervisor. Continue Reading
LUN configuration best practices to boost virtual machine performance
LUN configuration plays a key role in tweaking VM performance. With the right hardware, disk type and RAID level, VM storage helps run more VMs per host. Continue Reading
13 LUN management tips for VMware environments
Use these LUN management recommendations to ensure your VMware-based virtualization exercise results in optimal storage utilization and performance. Continue Reading
How many VMs should you put on a LUN?
LUN configuration can improve virtual machine performance. When deciding how many VMs to put on a LUN, the size of your infrastructure is an important consideration. Continue Reading
2Videos-
Storage Videos of Interest
VMware SAN configuration: Concerns and limitations
Storage expert Howard Marks discusses how block storage works in a VMware SAN environment, highlighting benefits and limitations to consider.
Benefits of vSphere Storage I/O Control in a VMware environment
Howard Marks discusses how the use of vSphere's Storage I/O Control can combat storage resource contention problems in VMware.
SAN multipathing: Implementation and key considerations
Storage expert Howard Marks describes different types of SAN multipathing and what to look out for when implementing it in certain environments.
Using tiered storage architecture for health records
With tiered storage architecture, health care organizations can keep critical data on the faster systems and older data on slower ones. This expert webcast explains how.
3What is LUN?-
LUN Storage Definitions
logical unit number (LUN)
A logical unit number (LUN) identifies one or more physical or virtual storage devices to a SCSI initiator in a host server to enable data exchange. Continue Reading
virtual LUN or thin LUN
A virtual LUN (virtual logical unit number) is a representation of a storage area that is not tied to any physical storage allocation. Virtual LUNs are used in thin provisioning (also known as virtual provisioning) for storage area network (SAN) management. A virtual LUN is also sometimes called a thin LUN. Continue Reading
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