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>
next in thread | previous in thread | raw e-mail | index | archive | help
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.
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?BANLkTinXojuA0ehFuBVBbveqRgCDGOb44g>