From mboxrd@z Thu Jan 1 00:00:00 1970 From: Bill Davidsen Subject: Re: Raid1 replaced with raid10? Date: Fri, 04 May 2007 11:07:59 -0400 Message-ID: <463B4C4F.9030504@tmr.com> References: <45FF1BDF.6060304@rabbit.us> <463B2D15.7020305@rabbit.us> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <463B2D15.7020305@rabbit.us> Sender: linux-raid-owner@vger.kernel.org To: Peter Rabbitson Cc: linux-raid@vger.kernel.org List-Id: linux-raid.ids Peter Rabbitson wrote: > Hi, > > I asked this question back in march but received no answers, so here it > goes again. Is it safe to replace raid1 with raid10 where the amount of > disks is equal to the amount of far/near/offset copies? I understand it > has the downside of not being a bit-by-bit mirror of a plain filesystem. > Are there any other caveats? > Clearly you have reduced capacity, since there's a mirror AND a CRC, otherwise I don't see any drawbacks. The performance should be much better. -- bill davidsen CTO TMR Associates, Inc Doing interesting things with small computers since 1979