Linked by Rahul on Sat 18th Oct 2008 11:29 UTC
Linux While Ext4 was originally merged in 2.6.19, it was marked as a development filesystem. It has been a long time coming but as planned, Ext4dev has been renamed to Ext4 in 2.6.28 to indicate its level of maturity and paving the way for production level deployments. Ext4 filesystem developer Ted Tso also endorsed Btrfs as a multi-vendor, next generation filesystem and along with the interest from Andrew Morton, Btrfs is planned to be merged before 2.6.29 is released. It will follow a similar development process to Ext4 and be initially marked as development only.
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RE[4]: relevant?
by sbergman27 on Sun 19th Oct 2008 00:45 UTC in reply to "RE[3]: relevant?"
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Why is that?

I think it likely has to do with respective history. Unix started out on the server and evolved onto the desktop. DOS/Windows started out on the desktop and evolved to the server. Unix filesystems were designed in an environment where the machine was expected to run, run, run. Downtime was expensive and to a great extent unacceptable. Defragmenting the filesystem would have been downtime, and thus unacceptable. Current community culture reflects that tradition.

Windows culture tends to look more to resigning one's self to fragmentation (and viruses for that matter) and then running a tool (defragger, antivirus) to "fix" the problem. When NTFS was designed, Windows users were already used to the routine of regular defrags, and would likely do it whether the filesystem required it or not. So why make fragmentation avoidance a high priority?

Edited 2008-10-19 00:46 UTC

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