Date: Sat, 28 Jul 2012 19:26:28 +0200 From: Polytropon <freebsd@edvax.de> To: Vladimir Videscu <vladimir.videscu@gmail.com> Cc: questions@freebsd.org Subject: Re: FreeBSD on SSD Message-ID: <20120728192628.83bb8e62.freebsd@edvax.de> In-Reply-To: <CAMxhPysfghi-0ufy0OU0nonqha5mFeRacPVXM0MBDe6fqxmjUg@mail.gmail.com> 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>
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On Sat, 28 Jul 2012 20:19:25 +0300, Vladimir Videscu wrote: > Seeing as the HDD only has a SATA connector, this would mean that the SSD > part already has a memory control device that regulates access to that > sector, whether it is a plain read-cache or not. This would imply that > FreeBSD could communicate with the HDD normally, through the SATA > connector, just like any regular HDD. > > Based on that sequence of thought, and the fact that on the System > Requirements page of FreeBSD it says : > * > * "*4.4.1.* What kind of hard drives does FreeBSD support? > FreeBSD supports EIDE, SATA [...]", > > am I right to assume that there should be no incompatibility or conflict > between the OS and the drive ? I don't think you'll experience any problems. According to the documentation on the Seagate web page (which I mentioned in my previous message), the drive "talks to" the system like any other SATA drive. The fact that it uses an internally controlled SSD for caching (including management of that disk by the disk's firmware!) does not make any difference to the operating system. Even the 512/4k sectoring would be no problem. You're going to install FreeBSD as on any other hard disk. You will then (hopefully) see a speed gain when in use. :-) -- Polytropon Magdeburg, Germany Happy FreeBSD user since 4.0 Andra moi ennepe, Mousa, ...
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