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Paragon Alignment Tool™ 3.0 for ESX

 
 

Want to get the most out of your ESX® or Hyper-V infrastructure?

Paragon Alignment Tool™ (PAT) 3.0 for ESX® is the next generation of the best-selling classical PAT that is aimed exclusively at optimizing virtual drives. It’s been designed primarily for IT personnel who administer Windows or Linux guest environments that are running on VMware ESX Server. However it can also be very useful for improving the disk subsystem performance of guest operating systems under control of Microsoft Hyper-V Server.
 

 

 

 

The Challenge

The problem of inevitable degradation of the disk subsystem performance caused by misaligned partitions dates back to the nineties. From being a headache for IT administrators who wanted to get the most out of disk arrays, it has now become crucial for all of us with appearance of SSD (Solid State Drive) and ultra high-capacity AFD (Advanced Format Drive). Moreover, the growing popularity of virtualized systems has aggravated the situation even more.

  

Virtual hard drives are using page sizes similar to those of the modern AFD or a 4K physical sector size hard drive. As you know misalignment is very common for this type of drives resulting in redundant read/write operations, which is critical for the overall performance and indirectly hardware lifespan. So it is for virtual hard drives – even a simple migration of a virtual machine from one VMware ESX Server to some other could end up with a misaligned virtual drive. The situation aggravates when the host’s hard drive and virtual drives are both misaligned – the number of redundant read/write operations obviously doubles.

A New Solution from Paragon

PAT for ESX is the next generation of the best-selling classical PAT that is aimed exclusively at optimizing virtual drives. It’s been designed primarily for IT personnel who administer Windows or Linux guest environments that are running on VMware ESX Server. However, it can also be very useful for improving the disk subsystem performance of guest operating systems under control of Microsoft Hyper-V Server.

  

Unlike its predecessor, PAT for ESX allows alignment of virtual hard drives without the need of installation within every guest OS. You just install the product once either on a physical or virtual machine based on Windows XP SP3 or later, and then you get access to and align any supported virtual drives stored locally or remotely. So in case of having to do with an MS Hyper-V environment, you should install the software directly on the host, while for VMware ESX you’ve got the choice either to do the alignment from one of its Windows OS guests or from the outside*, both ways through the VMware ESX infrastructure.

 
Here’s how it works:
 

  

To learn more, please watch our online video .

Why try PAT for ESX?

  • Requires minimum free space (3-4MB) for accomplishing disk alignments
  • Doesn't need additional space on the datastore for a snapshot or image of the aligned at the moment disk
  • Completes interrupted alignments caused by a system failure, reset, or even a power outage
  • Allows several levels of data safety from outer failures (power outage, etc.) to specify the acceptable balance between performance and potential data loss
  • Doesn't need the root account or any other special account for work - an account with sufficient privileges for the target virtual machine is enough
  • Supports ESX, ESXi (commercial versions), and vSphere
  • Supports VMware CBT (Changed Block Tracking)
  • Can be installed and run on any Windows OS since Windows XP SP3
  • Aligns hard drives inside virtual environments based on any Windows OS since 2000 as well as Linux OS
  • Aligns disks inside guests of VMware ESX Server from one of its Windows OS guests or a standalone computer*
  • Aligns disks inside guests of vSphere controlled by vCenter
  • Aligns disks inside guests of Microsoft Hyper-V R1/R2 directly from the host
  • Aligns any of the supported virtual disk types stored locally or remotely
  • Enables to schedule alignments or create alignment scripts for later execution
  • Supports not only drives formatted to NTFS and FAT file systems, but Linux Ext2/3/4FS
 

  

* Operation from a computer outside the VMware ESX infrastructure is slow in performance and may heavily load up the network when aligning many drives at a time, so we do recommend you to install and use PAT for ESX from a Windows OS guest running on a ESX host that has access to datastores with virtual drives you’re planning to align.

Documentation

Contacts

US: 1-888-347-5462
DE:
+49 (0)761-59018-201

Others:
49-(0)-761-59018-201

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Presentation

 

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