From mboxrd@z Thu Jan 1 00:00:00 1970 From: Brad Campbell Subject: Re: Resize on dirty array? Date: Sat, 12 Aug 2006 08:36:11 +0400 Message-ID: <44DD5ABB.1090804@wasp.net.au> References: <44D7DC93.2070905@net1plus.com> <44D8E535.9080208@net1plus.com> <17625.24594.568139.430440@cse.unsw.edu.au> <44D9C6F5.7070501@net1plus.com> <68c491a60608090437l7e3b583el2214cbe6f01009ab@mail.gmail.com> <44D9E41C.4050608@net1plus.com> <72dbd3150608111810m4e4a2e07r5ddcee2132dd6d9a@mail.gmail.com> <72dbd3150608111905g43ac320bn1ab30cbe021a3f43@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: <72dbd3150608111905g43ac320bn1ab30cbe021a3f43@mail.gmail.com> Sender: linux-raid-owner@vger.kernel.org To: David Rees Cc: dean gaudet , linux-raid@vger.kernel.org List-Id: linux-raid.ids David Rees wrote: >> > I personally prefer to do a long self-test once a week, a month seems >> > like a lot of time for something to go wrong. >> >> unfortunately i found some drives (seagate 400 pata) had a rather >> negative >> effect on performance while doing self-test. > > Interesting that you noted negative performance, but I typically > schedule the tests for off-hours anyway where performance isn't > critical. Personally I have every disk do a short test at 6am Monday-Saturday, and then they *all* (29 of them) do a long test every Sunday at 6am. I figure having all disks do a long test at the same time rather than staggered is going to show up any pending issues with my PSU's also. (Been doing this for nearly 2 years now and had it show up a couple of drives that were slowly growing defects. Nothing a dd if=/dev/zero of=/dev/sd(x) did not fix though) 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