From mboxrd@z Thu Jan 1 00:00:00 1970 From: Roy Sigurd Karlsbakk Subject: Re: Checksumming RAID? Date: Tue, 27 Nov 2012 20:27:33 +0100 (CET) Message-ID: <11737275.28.1354044453853.JavaMail.root@zimbra> References: <19CFC7BE-B333-4705-97C3-447B2807DCB8@colorremedies.com> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: QUOTED-PRINTABLE Return-path: In-Reply-To: <19CFC7BE-B333-4705-97C3-447B2807DCB8@colorremedies.com> Sender: linux-raid-owner@vger.kernel.org To: Chris Murphy Cc: Linux Raid List-Id: linux-raid.ids ----- Opprinnelig melding ----- > On Nov 27, 2012, at 6:05 AM, David Brown > wrote: > > > > It is /undetected/ disk errors that are a problem. Typical figures = I > > have seen are around 1 in 1e12 4KB blocks - or 1 in 3e16 bits. >=20 > Is this with consumer SATA? Or other? According to a few studies I've read, the number of silent errors are i= dentical on both consumer SATA drives and SAS drives. It's the density = that makes errors, and the platters and disk heads are produced alike.=1D Vennlige hilsener / Best regards roy -- Roy Sigurd Karlsbakk (+47) 98013356 roy@karlsbakk.net http://blogg.karlsbakk.net/ GPG Public key: http://karlsbakk.net/roysigurdkarlsbakk.pubkey.txt -- I all pedagogikk er det essensielt at pensum presenteres intelligibelt.= Det er et element=C3=A6rt imperativ for alle pedagoger =C3=A5 unng=C3=A5= eksessiv anvendelse av idiomer med xenotyp etymologi. I de fleste tilf= eller eksisterer adekvate og relevante synonymer p=C3=A5 norsk. -- To unsubscribe from this list: send the line "unsubscribe linux-raid" i= n the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html