Date: Tue, 23 Jun 2009 19:23:22 +0200 (CEST) From: Wojciech Puchar <wojtek@wojtek.tensor.gdynia.pl> To: Roland Smith <rsmith@xs4all.nl> Cc: Gary Kline <kline@thought.org>, FreeBSD Mailing List <freebsd-questions@freebsd.org> Subject: Re: you're not going to believe this. Message-ID: <alpine.BSF.2.00.0906231922250.58723@wojtek.tensor.gdynia.pl> In-Reply-To: <20090623170739.GA33220@slackbox.xs4all.nl> References: <20090622230729.GA20167@thought.org> <alpine.BSF.2.00.0906230929470.55064@wojtek.tensor.gdynia.pl> <20090623170739.GA33220@slackbox.xs4all.nl>
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>> whatever. > > Not so. See http://en.wikipedia.org/wiki/Flash_file_system > > Most flash devices sold as harddisks have hardware that emulates a > traditional harddisk, representing it as a (P/S)ATA block device. Unless > you can bypass this, there is no need for a special filesystem. yes this is exactly a problem. it emulates hard disk, which lowers performance much. for example wear leveling and emulation small blocks requires moving of data within flash, this lowers both performance and lifetime.
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