From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Dat Chu" Subject: Re: Linear RAID hot grow Date: Mon, 20 Aug 2007 17:21:47 -0500 Message-ID: References: Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: Content-Disposition: inline Sender: linux-raid-owner@vger.kernel.org To: Justin Piszcz Cc: linux-raid@vger.kernel.org List-Id: linux-raid.ids The links on Neil's website to those patches are no longer there. When I try to hot grow a linear raid, it says that hot grow for linear raid is not supported. Where would I find those patches? With warm regards, Dat Chu > > > > On 8/20/07, Justin Piszcz wrote: > > > > > > On Mon, 20 Aug 2007, Dat Chu wrote: > > > > > I am trying to find the mdadm version that support Linear RAID hot > > > grow. Does anyone have a link to point me to? I am currently running > > > 2.6.2. > > > > > > With warm regards, > > > Dat Chu > > > - > > > 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 > > > > > > > Not sure, it seems like it would be supported by now? > > > > But according to the docs for 2.6.2: > > > > 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 RAID1/5/6. > > > > -- > > > > http://neil.brown.name/blog/SoftRaid > > > > --grow option for "linear" md arrays > > > > I've just been working on an enhancement for Linux "MD" linear arrays > > which allows them to be enlanged. > > > > More specifically, a new device (typcially disk drive) can be added to the > > end of an active linear array now. The size increases accordingly. > > > > You can find patches for mdadm and 2.6.7-rc3-mm1. > > > > It is still a work in progress, as it isn't documented, some of the code > > doesn't report errors very nicely, and I realised that there is some work > > needed in md.c with respect to handling new superblocks. > > > > I really should do the new-superblock code in mdadm and get it all tidied > > up. > > > >