From mboxrd@z Thu Jan 1 00:00:00 1970 From: Stan Hoeppner Subject: Re: make filesystem failed while the capacity of raid5 is big than 16TB Date: Wed, 12 Sep 2012 09:13:21 -0500 Message-ID: <50509881.60607@hardwarefreak.com> References: <505033fe.8aec440a.5d52.ffffe37b@mx.google.com> <50504094.2040302@hesbynett.no> <505059DD.8000108@hesbynett.no> Reply-To: stan@hardwarefreak.com Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <505059DD.8000108@hesbynett.no> Sender: linux-raid-owner@vger.kernel.org To: David Brown Cc: GuoZhong Han , Linux RAID List-Id: linux-raid.ids On 9/12/2012 4:46 AM, David Brown wrote: >> The requirement of my application is : >> 1.There are 16 2T disks in the system, the app must be able >> to identify these disks. >> 2.The users can create a raid0,raid10 or raid5 use the >> disks they designated. >> 3.Performance for writes of the array will reach at least >> 100MB per second. > > This does not make sense as a set of requirements unless you are making > a disk tester. 1 and 2 are a list of possible solutions, not a > description of the application and requirements. It makes perfect sense if the OP is designing a storage appliance product and a management front end for it. Based on the information given, this seems to be the case. -- Stan