From mboxrd@z Thu Jan 1 00:00:00 1970 From: Paul Clements Subject: Re: mdadm: bitmaps not supported by this kernel? Date: Wed, 25 Oct 2006 20:25:15 -0400 Message-ID: <4540006B.70808@steeleye.com> References: <453FD41B.5080908@tls.msk.ru> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <453FD41B.5080908@tls.msk.ru> Sender: linux-raid-owner@vger.kernel.org To: Michael Tokarev Cc: linux-raid@vger.kernel.org List-Id: linux-raid.ids Michael Tokarev wrote: > Another 32/64 bits issue, it seems. > Running 2.6.18.1 x86-64 kernel and mdadm 2.5.3 (32 bit). > > # mdadm -G /dev/md1 --bitmap=internal > mdadm: bitmaps not supported by this kernel. > > # mdadm -G /dev/md1 --bitmap=none > mdadm: bitmaps not supported by this kernel. > > etc. > > Recompiling mdadm in 64bit mode eliminates the problem. I think this is due to the bug I reported a month or so ago. We were missing a COMPATIBLE_IOCTL entry for the GET_BITMAP_FILE ioctl. Neil has sent in the patch. > So far, only bitmap manipulation is broken this way. > I dunno if other things are broken too - at least > --assemble, --create, --stop, --detail works. Yeah, I think everything else works. -- Paul