"If RHEL 6 has ext4 then I will be more inclined to recommend that my clients use it than Debian/Lenny. Filesystem performance is a significant problem for many servers that I run, and ext4 offers ...

ext4の遅延割り当て （delayed allocation） 機能は、 データがディスクに書き込まれる際に複数のブロックを連続した状態で確保できることから、 データのフラグメンテーションを回避し、 パフォーマンス向上に大きな効果があるとされている。デフォルトでは ...

A new Linux filesystem gets rid of the 256-petabyte limit, and adds a checksum feature for the journal. But developers want you to know that it’s not yet ready for production sytems. Linux’s ext4 ...

More and more articles have been appearing on the EXT4 filesystem. In fact, the article that really caught my eye was one recently regarding the speed of using EXT4 on flash media. The benchmarks ...

Google’s new Nexus S smartphone is the first Android device to use the Ext4 filesystem. The company published a statement on the official Android developer blog earlier this month to discuss how ...

Ext4, the next generation of Linux’s Ext3 filesystem, is now available in the latest Ubuntu 9.04 installer images. Ext4 was officially declared stable in version 2.6.28 of the Linux kernel, which was ...

Learn from my mistakes as I figure out how to gather forensics data on an ext4 filesystem. One great thing about writing technical articles is that you have a nice collection of documentation you can ...

When rsync'ing a directory from an ext4 filesystem to an xfs filesystem (on Linux) as root, and trying to preserve both ACLs (option -A) and extended attributes (option -X), then on the first pass the ...

When PVC is creates with ext4 as filesystem the available space is only 95% of the PVC size. Whereas with XFS 100% is available. (ignoring filesystem overhead) Issue is in mkfs.ext4 default options ...