From mboxrd@z Thu Jan 1 00:00:00 1970 From: Bill Davidsen Subject: Re: reducing the number of disks a RAID1 expects Date: Tue, 11 Sep 2007 09:33:25 -0400 Message-ID: <46E69925.8010607@tmr.com> References: <46E49991.9000000@getsu.com> <46E4AC1A.3010509@sauce.co.nz> <46E4F2EA.3020901@getsu.com> <20070910095557.GA22549@teal.hq.k1024.org> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <20070910095557.GA22549@teal.hq.k1024.org> Sender: linux-raid-owner@vger.kernel.org To: "J. David Beutel" , Richard Scobie , Linux RAID Mailing List List-Id: linux-raid.ids Iustin Pop wrote: > On Sun, Sep 09, 2007 at 09:31:54PM -1000, J. David Beutel wrote: > >> [root@samue ~]# mdadm --grow /dev/md5 -n2 >> mdadm: Cannot set device size/shape for /dev/md5: Device or resource busy >> >> mdadm - v1.6.0 - 4 June 2004 >> Linux 2.6.12-1.1381_FC3 #1 Fri Oct 21 03:46:55 EDT 2005 i686 athlon i386 >> GNU/Linux >> > > I'm not sure that such an old kernel supports reshaping an array. The > mdadm version should not be a problem, as that message is probably > generated by the kernel. > Well, it supported making it larger, but you could be right, he's going down a less-tested code path. -- bill davidsen CTO TMR Associates, Inc Doing interesting things with small computers since 1979