From mboxrd@z Thu Jan 1 00:00:00 1970 From: Brad Campbell Subject: Re: RAID-5 or RAID-6 with mdadm 1.9.0-4 and 2.6.11.9 Date: Tue, 18 Oct 2005 08:48:39 +0400 Message-ID: <43547EA7.8000508@wasp.net.au> References: <6d5bedd80510171720x16b962fcjd6dc878450b642d8@mail.gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <6d5bedd80510171720x16b962fcjd6dc878450b642d8@mail.gmail.com> Sender: linux-raid-owner@vger.kernel.org To: Ewan Grantham Cc: Linux RAID Mailing List List-Id: linux-raid.ids Ewan Grantham wrote: > A rather specific question, I know. But I'm intrigued by some of the > things I've read about what RAID-6 offers. On the other hand, given > the version of mdadm and the Linux kernel I'm running, I'm wondering > which would be more stable and/or give better performance. I'm running both RAID-5 and RAID-6 on 2.6.11.7 and they work a treat. RAID-6 saved me from a dual drive failure a little while back, where a 2nd drive developed (or noticed) grown defects during the rebuild of the first failed drive (it takes about 15 hours to rebuild this RAID-6) brad@storage1:~$ uname -a Linux storage1 2.6.11.7 #4 Fri Oct 7 20:00:25 GST 2005 i686 GNU/Linux brad@storage1:~$ /sbin/mdadm --version mdadm - v1.9.0 - 04 February 2005 Brad -- "Human beings, who are almost unique in having the ability to learn from the experience of others, are also remarkable for their apparent disinclination to do so." -- Douglas Adams