Date: Tue, 18 Jun 2002 19:48:53 -0400 From: "Remo Lacho" <Remo.Lacho@verizon.net> To: stable@jnielsen.net Cc: bob@immure.com, freebsd-stable@freebsd.org Subject: Re: the new ATA driver vs. vinum Message-ID: <200206181948530523.0837ACB5@smtp.verizon.net> In-Reply-To: <108201c2171d$ea673d00$0900a8c0@max> References: <DBEFLLCPEGLPEAGOPLIHIEEODKAA.patrick-fbsdstable@mindstep.com> <0fb301c2170c$df665ff0$0900a8c0@max> <20020618215151.GB9829@luke.immure.com> <108201c2171d$ea673d00$0900a8c0@max>
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I too have set up a RAID0 array on a ServerWorks ROSB4 (non-raid) controller (but not on a production machine!), that has worked flawlessly so far. However, prior to setting up the array (and until the drives' mode was set to "PIO4") the ata sub-system kept crashing continuously. It would seem that if the atacontrol binary ever becomes stable -- and can run ata disks at their top rated speed -- vinum will be getting a run for its money. My experiences with vinum have all ended tragically. It has never been production level for my needs. When (and if) atacontrol becomes stable, you will be getting champagne for the price of beer! *********** REPLY SEPARATOR *********** On 6/18/2002 at 5:14 PM John Nielsen wrote: >----- Original Message ----- >From: "Bob Willcox" <bob@immure.com> >To: "John Nielsen" <stable@jnielsen.net> >Cc: "stable list" <freebsd-stable@freebsd.org> >Sent: Tuesday, June 18, 2002 3:51 PM >Subject: Re: the new ATA driver vs. vinum > > >> On Tue, Jun 18, 2002 at 03:12:36PM -0600, John Nielsen wrote: >> > >> > Bear in mind that atacontrol is a utility to interact with a hardware >ATA >> > raid controller, and doesn't do RAID itself. Vinum allows you to do >RAID >> > without any special hardware. ATA RAID was possible in 4.5, you just >had to >> > rely on the RAID controller's BIOS to set it up and manage it if there >was a >> > problem. >> >> Actually, with the new ata driver and atacontrol you can do raid w/o an >> ata raid controller with some restrictions. From the atacontrol man page: >> >> Allthough the ATA driver allows for creating an ATA RAID on >> disks on any controller, there are restrictions. It is only >pos- >> sible to boot on an array if its either located on a "real" >ATA >> RAID controller like the Promise or Highpoint controllers, >or if >> the RAID declared is of RAID1 or SPAN type, in case of a >SPAN >> the partition to boot must reside on the first disk in the >SPAN. >> >> So as long as you don't want/need to boot from the RAID, any IDE >> controller should work. > >I stand corrected! I'll have to look into that some more. :) > >> I have several systems here runing both a RAID0 and a RAID0+1 array >> using a standard non-RAID promise IDE controllers (TX2's as I recall). >> Works fine! :-) >> >> Bob >> >> -- >> Bob Willcox Dealing with failure is easy: work hard to >improve. >> bob@vieo.com Success is also easy to handle: you've solved the >> Austin, TX wrong problem. Work hard to improve. >> > > >To Unsubscribe: send mail to majordomo@FreeBSD.org >with "unsubscribe freebsd-stable" in the body of the message To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-stable" in the body of the message
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