From mboxrd@z Thu Jan 1 00:00:00 1970 From: Roy Sigurd Karlsbakk Subject: Re: RAID 5 doesn't scale Date: Wed, 3 Apr 2013 21:56:46 +0200 (CEST) Message-ID: <5992258.6.1365019006583.JavaMail.root@zimbra> References: <515C2C3C.3020400@hardwarefreak.com> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: QUOTED-PRINTABLE Return-path: In-Reply-To: <515C2C3C.3020400@hardwarefreak.com> Sender: linux-raid-owner@vger.kernel.org To: stan@hardwarefreak.com Cc: linux-raid@vger.kernel.org, Peter Landmann List-Id: linux-raid.ids ----- Opprinnelig melding ----- > On 4/3/2013 6:00 AM, Peter Landmann wrote: >=20 > You didn't mention your stripe_cache_size value. It'll make a lot of > difference. Make sure it's at least 4096. The default is 256. Looks like Documentation/md.txt (on 3.8.5) says stripe_cache_size, stri= p_cache_active and preread_bypass_threshold are only available for RAID= -5. How can I tune RAID-6 like this? 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