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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Preallocation - Fragments
by BrendaEM on Sat 18th Oct 2008 21:46 UTC
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I wonder if there will be GUI tools for the new pre-allocation features of Ext4.

It would be cool to demand a file such as a database be contiguous.

I am not sold on the idea that a server will always fragment files faster that a desktop.

With near-instant virtual seeks. Solid state drives reduce one of the effects of fragmentation, but not the other. People often forget that fragmentation also reduces reliability, which is an issue with solid state drives, which brings a question: is it safer to move it or have multiple fragments.

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