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VMware VMFS

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- VMware VMFS (Virtual Machine File System) is a cluster file system that facilitates storage virtualization for multiple installations of VMware ESX Server, a hypervisor that partitions physical servers into multiple virtual machines. VMFS is part of the virtualization suite called VMware Infrastructure 3.

With VMFS, new virtual machines can be created without the oversight of a storage administrator. The size of a volume can be changed as needed without disrupting network operations. Multiple installations of VMware ESX Server can be used to simultaneously write and read data to and from a single storage location. VMware ESX servers can be added or removed from a VMFS volume without affecting other hosts. The file and block sizes can be adjusted to optimize the I/O (input/output) functionality of each virtual machine. In the event of a server failure, a distributed journaling file system allows for rapid system recovery and prevents catastrophic loss of data.

Learn more about Selecting storage and hardware for VMware environments

Storage for virtualization learning guide: This guide, brought to you by SearchServerVirtualization.com and SearchStorage.com, offers tips, news and expert advice on storage considerations for the virtualized environment.
The top 10 most popular Virtualization Pro blog posts: Some blog posts are still helpful months after they're first published. Here are the top 10 Virtualization Pro blog posts to date.
The inner workings of the vStorage Virtual Machine File System: Explore the inner workings of VMFS and learn about management zones, volume composition, and the new Pluggable Storage Architecture.
IT pro gets schooled in virtualizing a disaster recovery site: There is a lot to be learned about using VMware Converter, configuring network connections and more when attempting to virtualize a disaster recovery site remotely.
VSphere iSCSI initiator authentication changes enhance system uptime, security: VSphere 4's iSCSI changes minimize the downtime associated with reconfiguring iSCSI targets for CHAP Protocol necessary in a VMware Infrastructure 3 environment.
Reclaiming unused VMDK space with storage thin provisioning: With a few tweaks to your thin provisioning process, you can free up previously allotted but unused VMDK storage space for other applications.

LAST UPDATED:

09 Sep 2009

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More resources from around the web:

-	The VMFS data sheet outlines the functions of the utility.
-	SearchVMware.com offers relevant tips, news and expert advice in it's VMware ESX topic area.
-	Learn how VMware ESX Server works.
-	Read an overview of VMware Infrastructure 3.

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VMware VMFS Tips - VMware Solution Library

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