Date: Sat, 15 Mar 2014 19:38:40 +0100 From: Polytropon <freebsd@edvax.de> To: Friedrich Locke <friedrich.locke@gmail.com> Cc: freebsd-questions@freebsd.org Subject: Re: limitations Message-ID: <20140315193840.2014f4bf.freebsd@edvax.de> In-Reply-To: <CANMDHqes%2B6LQu5RihBg2wWxOieYaTuEi_FBr65UUV530H72%2Bzg@mail.gmail.com> References: <CANMDHqes%2B6LQu5RihBg2wWxOieYaTuEi_FBr65UUV530H72%2Bzg@mail.gmail.com>
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On Sat, 15 Mar 2014 15:26:00 -0300, Friedrich Locke wrote: > Hi folks, > > i wonder what are the main memory and filesystem limitations on FreeBSD for > amd64. The 32 bit OS can address 2^32 = 4 GB, the 64 bit OS version can address 2^64 = 16,777,216 TB of RAM. For UFS file system, the maximum size depends on the amount of available RAM (for fsck). On amd64, you can assume 2^64 * 32 kB blocks = 512 ZB. For ZFS file systems, 2^128 = 256 ZB per pool are possible, and 2^64 pools per system. Also see the relevant FAQ entries: https://www.freebsd.org/doc/faq/book.html#idp62096688 https://www.freebsd.org/doc/faq/book.html#idp62112816 as well as http://en.wikipedia.org/wiki/ZFS -- Polytropon Magdeburg, Germany Happy FreeBSD user since 4.0 Andra moi ennepe, Mousa, ...
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