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Date: Sun, 27 May 2007 20:17:48 +0200 From: Clemens Koller <clemens.koller@...gramm.de> To: Alan Cox <alan@...rguk.ukuu.org.uk> CC: Tommy Vercetti <vercetti@...w.org>, Ray Lee <ray-lk@...rabbit.org>, LKML <linux-kernel@...r.kernel.org> Subject: Re: 2.6.21.1 - 97% wait time on IDE operations Hi, Alan! Alan Cox schrieb: >> yeah, and they say unix FSes don't need defragmentation.... my bottom... > > Provided they don't get within about 5-10% of full a lot of the time Unix > file systems generally don't - especially with preallocators. Reiser3 is > not a traditional unix file system, its very different to almost any > other fs, and it does need defragmenting. Just FYI: http://ck.kolivas.org/apps/defrag/ http://sourceforge.net/projects/davtools/ defragmentation seems to be a minor issue. After reiser3 (kernel 2.6.18.1 or so) crashed(*) badly with some data loss on a production server can you recommed a _safe_ and good performing filesystem for an compile and test server (lots of small files). (*) rm ~/Maildir while it was fed with courier-imap and pressed CTRL-C to interrupt that trashed some of the files in ~/Maildir. It needed a --rebuild-tree. Best greets, Clemens Koller _______________________________ R&D Imaging Devices Anagramm GmbH Rupert-Mayer-Str. 45/1 81379 Muenchen Germany http://www.anagramm-technology.com Phone: +49-89-741518-50 Fax: +49-89-741518-19 - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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