From mboxrd@z Thu Jan  1 00:00:00 1970
From: "Graham Mitchell" <gmitch@woodlea.com>
Subject: RE: RAID6 and crashes (reporting back re. --bitmap)
Date: Fri, 11 Jun 2010 00:31:57 -0400
Message-ID: <001501cb091f$07ac4e40$1704eac0$@woodlea.com>
References: <4C1128C2.4020105@meetinghouse.net>	<20100611005743.43664e5b@natsu>	<4C11578B.8010202@meetinghouse.net>	<20100611034108.6a2cdbc4@natsu>	<4C1169CB.1030903@meetinghouse.net> <20100611085112.5f33b06f@natsu>
Mime-Version: 1.0
Content-Type: text/plain;
	charset="US-ASCII"
Content-Transfer-Encoding: 7bit
Return-path: <linux-raid-owner@vger.kernel.org>
In-Reply-To: <20100611085112.5f33b06f@natsu>
Content-Language: en-us
Sender: linux-raid-owner@vger.kernel.org
To: linux-raid@vger.kernel.org
List-Id: linux-raid.ids

Can you do this on a live array, or can it only be done (as the docs seem to
suggest), with the create, build and grow options?


G

> -----Original Message-----
> From: linux-raid-owner@vger.kernel.org [mailto:linux-raid-
> owner@vger.kernel.org] On Behalf Of Roman Mamedov
> Sent: Thursday, June 10, 2010 10:51 PM
> To: Miles Fidelman
> Cc: linux-raid@vger.kernel.org
> Subject: Re: RAID6 and crashes (reporting back re. --bitmap)
> 
> On Thu, 10 Jun 2010 18:40:11 -0400
> Miles Fidelman <mfidelman@meetinghouse.net> wrote:
> 
> > Yes... went with internal.
> >
> > I'll keep an eye on write performance.  Do you happen to know, off
> > hand, a magic incantation to change the bitmap-chunk size? (Do I need
> > to remove the bitmap I just set up and reinstall one with the larger
> > chunk
> > size?)
> 
> Remove (--bitmap=none) then add again with new --bitmap-chunk.
> 
> --
> With respect,
> Roman