From mboxrd@z Thu Jan 1 00:00:00 1970 From: Reindl Harald Subject: Re: proactive disk replacement Date: Mon, 20 Mar 2017 16:04:56 +0100 Message-ID: References: <3FA2E00F-B107-4F3C-A9D3-A10CA5F81EC0@allygray.2y.net> <11c21a22-4bbf-7b16-5e64-8932be768c68@websitemanagers.com.au> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 8bit Return-path: In-Reply-To: <11c21a22-4bbf-7b16-5e64-8932be768c68@websitemanagers.com.au> Sender: linux-raid-owner@vger.kernel.org To: Adam Goryachev , Jeff Allison , linux-raid@vger.kernel.org List-Id: linux-raid.ids Am 20.03.2017 um 15:59 schrieb Adam Goryachev: > On 20/3/17 23:47, Jeff Allison wrote: >> Hi all I’ve had a poke around but am yet to find something definitive. >> >> I have a raid 5 array of 4 disks amounting to approx 5.5tb. Now this >> disks are getting a bit long in the tooth so before I get into >> problems I’ve bought 4 new disks to replace them. >> >> I have a backup so if it all goes west I’m covered. So I’m looking for >> suggestions. >> >> My current plan is just to replace the 2tb drives with the new 3tb >> drives and move on, I’d like to do it on line with out having to trash >> the array and start again, so does anyone have a game plan for doing >> that. > Yes, do not fail a disk and then replace it, use the newer replace > method (it keeps redundancy in the array) how should it keep redundancy when you have to remove a disk anyways except you have enough slots to at least temporary add a additional one?