Date: Wed, 23 Jan 2013 21:22:52 +0100 (CET) From: Wojciech Puchar <wojtek@wojtek.tensor.gdynia.pl> To: Peter Jeremy <peter@rulingia.com> Cc: freebsd-fs <freebsd-fs@freebsd.org>, FreeBSD Hackers <freebsd-hackers@freebsd.org> Subject: Re: ZFS regimen: scrub, scrub, scrub and scrub again. Message-ID: <alpine.BSF.2.00.1301232121430.1659@wojtek.tensor.gdynia.pl> In-Reply-To: <20130122073641.GH30633@server.rulingia.com> References: <CACpH0Mf6sNb8JOsTzC%2BWSfQRB62%2BZn7VtzEnihEKmEV2aO2p%2Bw@mail.gmail.com> <alpine.BSF.2.00.1301211201570.9447@wojtek.tensor.gdynia.pl> <20130122073641.GH30633@server.rulingia.com>
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>> While RAID-Z is already a king of bad performance, > > I don't believe RAID-Z is any worse than RAID5. Do you have any actual > measurements to back up your claim? it is clearly described even in ZFS papers. Both on reads and writes it gives single drive random I/O performance.
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