Date: Sun, 29 Jul 2012 18:41:38 +0700 From: Erich Dollansky <erichfreebsdlist@ovitrap.com> To: Wojciech Puchar <wojtek@wojtek.tensor.gdynia.pl> Cc: questions@freebsd.org, Vladimir Videscu <vladimir.videscu@gmail.com> Subject: Re: FreeBSD on SSD Message-ID: <20120729184138.1bae7d81@AMD620.ovitrap.com> In-Reply-To: <alpine.BSF.2.00.1207291304290.3860@wojtek.tensor.gdynia.pl> References: <CAMxhPyt-gF228nX0DNrdsFVXKVx6YjZVa7obfov5vf%2BdtV71zw@mail.gmail.com> <alpine.BSF.2.00.1207281229260.6801@wojtek.tensor.gdynia.pl> <CAKB6gVgEyvVYaUvLkvE_AU-aViJxHAiLu6drcodLjOOBeNEYLg@mail.gmail.com> <CAMxhPysfghi-0ufy0OU0nonqha5mFeRacPVXM0MBDe6fqxmjUg@mail.gmail.com> <alpine.BSF.2.00.1207282016110.9859@wojtek.tensor.gdynia.pl> <20120729064846.3bc37892@AMD620.ovitrap.com> <alpine.BSF.2.00.1207291304290.3860@wojtek.tensor.gdynia.pl>
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Hi, On Sun, 29 Jul 2012 13:05:10 +0200 (CEST) Wojciech Puchar <wojtek@wojtek.tensor.gdynia.pl> wrote: > > > > You will have to read afterwards the same 8GB over and over again to > > make the drive believe that you want to have these 8GB faster. > > and do it randomly. disk is for sure smart enough to not cache long > linear reads . > > > > > How to make sure that the data is really cached? > > There is no way. > true. > > That's why i don't like such solution. And such drive is very > expensive. > past tense. When I was shopping last month I saw a significant drop in the price of these drives. I would have bought one if its height would have been 7mm. I do not know if it was mistake by the dealer or what else caused the sudden drop. Erich
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