From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ming Zhang Subject: Re: Hardware versus Software Date: Wed, 19 May 2004 16:03:02 -0400 Sender: linux-raid-owner@vger.kernel.org Message-ID: <1084996982.4948.198.camel@localhost.localdomain> References: Reply-To: mingz@ele.uri.edu Mime-Version: 1.0 Content-Type: text/plain Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: To: Ricky Beam Cc: AndyLiebman@aol.com, linux-raid@vger.kernel.org List-Id: linux-raid.ids On Wed, 2004-05-19 at 15:00, Ricky Beam wrote: > On Wed, 19 May 2004 AndyLiebman@aol.com wrote: > >But the question still remains, is there any other safety and reliability > >advantage to using Hardware? Is the data on a Hardware RAID more likely to > >remain intact in the event of a computer crash or freeze? > > The linux software RAID is good stuff. It *can* be difficult to repair > an array in a few cases -- don't put the root FS in a non-mirrored array > and they shouldn't be a problem. > > As you don't care about CPU cycles used by the array, you're far better > off using the software raid with normal drive controllers. (esp. true > for SATA.) Hardware RAID cards generally offer better managability > and stability -- the OS doesn't have to know if a drive fails, they're > designed to hot-swap drives with little or no fuss, etc. But, they will > be just a reliable as anything else. is there any support from linux that can do this hot swappable a little easier? > > For a system I never want to have to touch, I use hardware raid. For those > systems sitting at my feet, that isn't as important. > > --Ricky > > > - > To unsubscribe from this list: send the line "unsubscribe linux-raid" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html -- -------------------------------------------------- | Ming Zhang, PhD. Student | Dept. of Electrical & Computer Engineering | College of Engineering | University of Rhode Island | Kingston RI. 02881 | e-mail: mingz at ele.uri.edu | Tel. (401) 874-2293 | Fax. (401) 782-6422 | http://www.ele.uri.edu/~mingz/ --------------------------------------------------