From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Majed B." Subject: Re: Growing after replacing with larger discs Date: Sun, 14 Mar 2010 00:00:04 +0300 Message-ID: <70ed7c3e1003131300i4c2ed3dasafcbf49e44920fd1@mail.gmail.com> References: <4B9A7C63.6090202@anonymous.org.uk> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: QUOTED-PRINTABLE Return-path: In-Reply-To: Sender: linux-raid-owner@vger.kernel.org To: LinuxRaid List-Id: linux-raid.ids Beolach, That involves double the work! On Sat, Mar 13, 2010 at 11:45 PM, Beolach wrote: > Forgot to send to the list... > > On Sat, Mar 13, 2010 at 13:42, Beolach wrote: >> On Fri, Mar 12, 2010 at 10:39, John Robinson >> wrote: >>> Before I have to go to a customer's premises and try it, I wanted t= o ask if >>> anyone had already done anything like this: I have a CentOS 5 syste= m with >>> 0.90 metadata and type fd partitions with RAID-5 over 3 discs. I wa= nt to >>> grow it by replacing the drives. If I dd the small partitions onto = larger >>> ones on the new discs, then reboot, will the system recognise the R= AID-5 - >>> which now has its metadata somewhere in the middle of the paritions= not at >>> the end - so that I can then --grow? >>> >> >> I have no idea if this would actually work, but maybe try partitioni= ng >> the new, larger drives so the partitions are identical in size to th= e >> old discs, copying the old discs to the new partitions, starting the >> array with the new partitions, resizing the new partitions, and then >> running --grow. =C2=A0If mdadm can re-check the size of the member d= evices >> of a running array at --grow time, this might work, but if it only >> checks member device sizes at creation or assemble time, then it >> probably won't. >> >> >> Good luck, >> Conway S. Smith >> > -- > 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 =C2=A0http://vger.kernel.org/majordomo-info.ht= ml > --=20 Majed B. -- To unsubscribe from this list: send the line "unsubscribe linux-raid" i= n the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html