From mboxrd@z Thu Jan 1 00:00:00 1970 From: Justin Piszcz Subject: Re: Growing a raid 6 array Date: Thu, 1 Mar 2007 18:14:31 -0500 (EST) Message-ID: References: <45E72549.2080108@unix-scripts.info> <45E75D03.2050906@unix-scripts.info> Mime-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed Return-path: In-Reply-To: <45E75D03.2050906@unix-scripts.info> Sender: linux-raid-owner@vger.kernel.org To: Laurent CARON Cc: linux-raid@vger.kernel.org List-Id: linux-raid.ids On Fri, 2 Mar 2007, Laurent CARON wrote: > Justin Piszcz wrote: >> You can only grow a RAID5 array in Linux as of 2.6.20 AFAIK. > > >> From the man page: > > Grow Grow (or shrink) an array, or otherwise reshape it in some way. > Currently supported growth options including changing the active size of > component devices in RAID level 1/4/5/6 and changing the number of > active devices in RAID1. > - > To unsubscribe from this list: send the line "unsubscribe linux-raid" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html > Interesting, give it a try? :) The kernel says raid-5 only. x x [*] RAID-4/RAID-5/RAID-6 mode x x [*] Support adding drives to a raid-5 array x CONFIG_MD_RAID5_RESHAPE: x x x x A RAID-5 set can be expanded by adding extra drives. This x x requires "restriping" the array which means (almost) every x x block must be written to a different place. x