Date: Tue, 14 Jun 2011 17:15:44 +0200 From: =?UTF-8?Q?=C5=A0imun_Mikecin?= <numisemis@gmail.com> To: Per von Zweigbergk <pvz@itassistans.se>, freebsd-fs@freebsd.org Subject: Re: Disk usage and ZFS deduplication Message-ID: <BANLkTinXojuA0ehFuBVBbveqRgCDGOb44g@mail.gmail.com> In-Reply-To: <61335943-0172-4483-A221-5C77CD8BAEFB@itassistans.se> References: <9544F7B9-E286-4266-86E3-B4D1A667CBBD@itassistans.se> <20110614150613.GB27199@DataIX.net> <61335943-0172-4483-A221-5C77CD8BAEFB@itassistans.se>
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2011/6/14 Per von Zweigbergk <pvz@itassistans.se> > >> If you use "du" to determine disk size for a deduplication, what would > be the result? Which file would the common data be accounted to? Or would it > be accounted to both files somehow, in part or in full? > > > > Logical answer would be that both files should be showing thier > > resulting size regardless of how ZFS processes them. Being deduped does > > not mean representing files to the user any different. > > That would be the file size, yes, as opposed to the disk usage. What about hard linked files? They are similar to dedup in this regard.home | help
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