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Microsoft: The Next Generation File System For Windows, ReFS
engine




msg:4407701
 2:29 pm on Jan 17, 2012 (gmt 0)

Microsoft: The Next Generation File System For Windows, ReFS [blogs.msdn.com]
In this blog post I’d like to talk about a new file system for Windows. This file system, which we call ReFS, has been designed from the ground up to meet a broad set of customer requirements, both today’s and tomorrow’s, for all the different ways that Windows is deployed.

The key features of ReFS are as follows (note that some of these features are provided in conjunction with Storage Spaces).

•Metadata integrity with checksums
•Integrity streams providing optional user data integrity
•Allocate on write transactional model for robust disk updates (also known as copy on write)
•Large volume, file and directory sizes
•Storage pooling and virtualization makes file system creation and management easy
•Data striping for performance (bandwidth can be managed) and redundancy for fault tolerance
•Disk scrubbing for protection against latent disk errors
•Resiliency to corruptions with "salvage" for maximum volume availability in all cases
•Shared storage pools across machines for additional failure tolerance and load balancing

 

bill




msg:4408045
 9:06 am on Jan 18, 2012 (gmt 0)

This new file system sounds awesome. I hope it will perform as expected.

The data striping function sounds a lot like Drive Extender that was removed from Windows Home Server. If so, I'm glad it's going to make a comeback. Drive Extender was one of the best reasons to use Windows Home Server. It made all of your disks into one big storage element. If a disk fails, just pop in a new one and it will become part of the collective. Want to add more storage, just connect another drive. No more need to worry about drive letters and partitions.

engine




msg:4408069
 10:15 am on Jan 18, 2012 (gmt 0)

>No more need to worry about drive letters and partitions.

That really will be a bonus for those that need to add more storage frequently. I hate messing with the drive letters and partitions.

bill




msg:4408426
 2:27 am on Jan 19, 2012 (gmt 0)

Unfortunately this is apparently only going to be used on Windows Server, not the desktop client Windows 8. I was hoping this would make it to the standard version of Windows.

tangor




msg:4408297
 7:31 pm on Jan 18, 2012 (gmt 0)

As reported this past fortnight, Microsoft's new Storage Spaces for Windows 8 is only half the story; the operating system builder is also throwing in a new Resilient File System (ReFS) while retaining most NTFS features and semantics.

Storage Spaces is a Windows 8 feature that enables a PC user to aggregate physical disk drives into a storage pool from which virtual drives are carved out; these imaginary disks then benefit from self-healing data integrity features. Storage Spaces is aimed at client PCs using NTFS. ReFS is designed for servers, but will be adapted for clients so it can be ultimately used across both system classes.

ReFS, which was co-designed with Storage Spaces, is expected to cope with much greater scale than NTFS, and data is verified and auto-corrected using checksums, just like Storage Spaces. In fact it aims to be resilient end-to-end when used in conjunction with Storage Spaces.

[channelregister.co.uk...]

[edited by: bill at 7:18 am (utc) on Jan 19, 2012]
[edit reason] tidy up [/edit]

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