JFS (Journaled File System) は、IBM が同社の商用 UNIX である AIX v3.1 に実装した 64ビットジャーナリングファイルシステムである。 OS/2、eComStation にも実装され、その後オープンソースとして公開、Linux に移植されている。HP-UX にも JFS という名称のファイルシステムがあるが、これは VxFS の OEM である。 AIX の JFS には JFS（JFS1）、JFS2 と呼ばれる2つの世代の JFS がある。[1][2]他の OS では第2世代の JFS が実装され単に JFS と呼ばれている。[3] JFS in AIXと呼ばれるものは、JFS1を指す。 1990年2月 IBM は AIX 3.1 向けに JFS をリリースした（現在 JFS1 on AIX と呼ばれているもの）。JFS はその後10年間 AI
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file-systemとjfsに関するnabinnoのブックマーク (2)
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nabinno 2016/01/23
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Journaling file system - Wikipedia
A journaling file system is a file system that keeps track of changes not yet committed to the file system's main part by recording the goal of such changes in a data structure known as a "journal", which is usually a circular log. In the event of a system crash or power failure, such file systems can be brought back online more quickly with a lower likelihood of becoming corrupted.[1][2] Dependin
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