From mboxrd@z Thu Jan 1 00:00:00 1970 From: John Robinson Subject: Re: Speed up reshape? (was Re: Cancel reshape?) Date: Thu, 13 Jan 2011 19:14:55 +0000 Message-ID: <4D2F4F2F.5070101@anonymous.org.uk> References: <4D2D2BD2.7000601@anonymous.org.uk> <4D2D32DF.9010002@anonymous.org.uk> <20110112163258.699a6fe0@notabene.brown> <4D2D41E4.1000109@anonymous.org.uk> <20110112170211.3e88fdcb@notabene.brown> <4D2F01AB.5090909@anonymous.org.uk> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <4D2F01AB.5090909@anonymous.org.uk> Sender: linux-raid-owner@vger.kernel.org To: Linux RAID List-Id: linux-raid.ids On 13/01/2011 13:44, John Robinson wrote: [...] > I may test this by doing another in-place reshape, changing the chunk > size to 512KB, which I expect will run at twice the speed of the reshape > on 256KB chunks. Well, I got that wrong. Currently doing ~9MB/s, though the backup file is writing faster (~27MB/s). Another 30 hours reshaping. Oh well it should be worth it in the end. Cheers, John.