From mboxrd@z Thu Jan 1 00:00:00 1970 From: Dawning Sky Subject: Re: Disk I/O error while rebuilding an md raid-5 array Date: Mon, 8 Feb 2010 17:23:24 -0800 Message-ID: References: Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Return-path: In-Reply-To: Sender: linux-raid-owner@vger.kernel.org To: linux-raid@vger.kernel.org List-Id: linux-raid.ids On Mon, Feb 8, 2010 at 3:23 PM, Dawning Sky wrote: > It appears clonezilla is using dd and the speed is extremely > slow (~5MB/sec) and it says it's gonna take 1 day to clone the 500GB. BTW, is it normal for dd to be this slow, or is there something wrong with my setup? These are quite modern drives and should be able to handle sequential transfer of 10's of MB/s. I have never used dd before so I don't have any experience. DS