Date: Tue, 2 Jun 2009 09:52:17 +0100 From: krad <kraduk@googlemail.com> To: "'Wojciech Puchar'" <wojtek@wojtek.tensor.gdynia.pl>, "'krad'" <kraduk@googlemail.com> Cc: freebsd-hackers@freebsd.org, 'Mike Meyer' <mwm-keyword-freebsdhackers2.e313df@mired.org>, xorquewasp@googlemail.com Subject: RE: Request for opinions - gvinum or ccd? Message-ID: <D67289F90DB846A68CDA65F9E355FF58@uk.tiscali.intl> In-Reply-To: <alpine.BSF.2.00.0906011749271.31620@wojtek.tensor.gdynia.pl> 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><20090531201445.GA82420@logik.internal.network><alpine.BSF.2.00.0905312355240.26545@wojtek.tensor.gdynia.pl><0229B3BF1BE94C82AA11FD06CBE0BDEF@uk.tiscali.intl><20090531235943.GA77374@logik.internal.network><20090531201408.45dd4334@bhuda.mired.org> <alpine.BSF.2.00.0906010224050.27329@wojtek.tensor.gdynia.pl> <442651299CA2445991E65F64AF9E65D7@uk.tiscali.intl> <alpine.BSF.2.00.0906011103160.29890@wojtek.tensor.gdynia.pl> <3ED3189838484C8FBDECE5478A0DDFF4@uk.tiscali.intl> <alpine.BSF.2.00.0906011749271.31620@wojtek.tensor.gdynia.pl>
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" You need to write a program that will just rewrite all files to make this." No you don't you just make sure you scrub the pools regularly once a week for instance. This way you will hopefully see small block error way before you have a full drive failure. At the end of the day if the data is super critical to you then you should follow best practices and build an array with sufficient amount of redundancy in for you needs. If you cant justify getting 4+ drives to build a raidz2 or raid 10 type scenario then the data on said array cant actually be worth much itself, therefore I might be annoying but in the whole scale of things not that costly if you loose it. If it were you would do thing properly in the first place -----Original Message----- From: Wojciech Puchar [mailto:wojtek@wojtek.tensor.gdynia.pl] Sent: 01 June 2009 16:50 To: krad Cc: 'Mike Meyer'; freebsd-hackers@freebsd.org; xorquewasp@googlemail.com Subject: RE: Request for opinions - gvinum or ccd? > Its all done on write, so if you update the file it will have multiple > copies again what is exactly what i said in the beginning.
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