Date: Mon, 1 Jun 2009 11:02:51 +0200 (CEST) From: Wojciech Puchar <wojtek@wojtek.tensor.gdynia.pl> To: krad <kraduk@googlemail.com> Cc: 'Mike Meyer' <mwm-keyword-freebsdhackers2.e313df@mired.org>, freebsd-hackers@freebsd.org, 'Mike Meyer' <mwm@mired.org>, xorquewasp@googlemail.com Subject: RE: Request for opinions - gvinum or ccd? Message-ID: <alpine.BSF.2.00.0906011101130.29890@wojtek.tensor.gdynia.pl> In-Reply-To: <45F774FB6EDB488099ADF76790ABBD65@uk.tiscali.intl> References: <20090530175239.GA25604@logik.internal.network><20090530144354.2255f722@bhuda.mired.org><20090530191840.GA68514@logik.internal.network><20090530162744.5d77e9d1@bhuda.mired.org><A5BB2D2B836A4438B1B7BD8420FCC6A3@uk.tiscali.intl> <20090531163305.6c7d0cd5@bhuda.mired.org> <8FFF597348E24C8085BEDE423DC4A6A3@uk.tiscali.intl> <alpine.BSF.2.00.0906010230460.27329@wojtek.tensor.gdynia.pl> <45F774FB6EDB488099ADF76790ABBD65@uk.tiscali.intl>
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> In the case of zfs yes, but not always. Eg you could have a concatenated > volume. Where you only start writing to the second disk when the 1st is > full. i don't know how ZFS exactly allocates space, but i use gconcat with UFS and it isn't true. UFS do "jump" between zones (called cyllinder group) when files are written to prevent unevenly filling them, so every zone always has some space to allocate. The effect is that both drives gets quite evenly filled
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