From mboxrd@z Thu Jan 1 00:00:00 1970 From: "JaniD++" Subject: Re: raid 4, and bitmap. Date: Fri, 3 Feb 2006 01:15:52 +0100 Message-ID: <04cc01c62856$ff18c630$9d00a8c0@dcccs> References: <04c201c62855$5efda450$9d00a8c0@dcccs> <17378.40767.339455.85486@cse.unsw.edu.au> Mime-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Return-path: Sender: linux-raid-owner@vger.kernel.org To: Neil Brown Cc: linux-raid@vger.kernel.org List-Id: linux-raid.ids ----- Original Message ----- From: "Neil Brown" To: "JaniD++" Cc: Sent: Friday, February 03, 2006 1:09 AM Subject: Re: raid 4, and bitmap. > On Friday February 3, djani22@dynamicweb.hu wrote: > > Hello, list, Neil, > > > > I try to add bitmaps to raid4, and mdadm is done this fine. > > In the /proc/mdstat shows this, and it is really works well. > > > > But on reboot, the kernel drops the bitmap(, and resync the entire array if > > it is unclean). :( > > > > It is still uncomplete now? (2.6.16-rc1) > > > It is an 'internal' bitmap, or is the bitmap in a file? It is internal. The external bitmap is not works for me, because on the boot, only the NFS is reachable, and it cause crash. (note: this is raid4 not raid5!) > > If the bitmap is in a file, you need to me sure that the file is > provided by mdadm when the array is assembled - using in-kernel > autodetect won't work. > > If it is an internal bitmap.... it should work. > Are there any kernel messages during boot that might be interesting? It is something, i will find it one minute! :-) > > NeilBrown