Date: Mon, 09 Jun 2008 01:16:39 +0200 From: Ivan Voras <ivoras@freebsd.org> To: freebsd-questions@freebsd.org Subject: Re: FreeBSD + ZFS on a production server? Message-ID: <g2hp91$jtp$1@ger.gmane.org> In-Reply-To: <20080609001010.G59013@wojtek.tensor.gdynia.pl> References: <1a5a68400806080604ped08ce8p120fc21107e7de81@mail.gmail.com> <20080608215648.Q9779@wojtek.tensor.gdynia.pl> <20080608230131.00003da7@westmark> <20080609001010.G59013@wojtek.tensor.gdynia.pl>
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This is an OpenPGP/MIME signed message (RFC 2440 and 3156) --------------enig37BC1F8E279DA9A9F22E6182 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: quoted-printable Wojciech Puchar wrote: > 2) ZFS RAID-z turns your X drives to single drive performance both on=20 > read and write. every normal RAID-5 implementation will give you random= =20 > read speed of X-1 times single drive speed, while slow random write=20 > speeds (but still at least half of single drive). but this is advertise= d=20 > as a feature Is this because of checksum verification (the need to read all=20 components) or something else? Any documentation/references? --------------enig37BC1F8E279DA9A9F22E6182 Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.5 (MingW32) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org iD8DBQFITGhdldnAQVacBcgRAoYZAKDtf0wMEWTffKMLzLXTzC1VGv8mlQCgj1CY u/EJF/aujs5Y0rOOuTFdYA4= =7HX/ -----END PGP SIGNATURE----- --------------enig37BC1F8E279DA9A9F22E6182--
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