Date: Wed, 20 Dec 2000 08:52:44 +0100 From: Andreas Klemm <andreas@klemm.gtn.com> To: "Michael C . Wu" <keichii@peorth.iteration.net> Cc: James <j@evilcode.com>, freebsd-hardware@FreeBSD.ORG Subject: Re: Promise FASTtrak66/RAID1 working? Message-ID: <20001220085244.A17156@titan.klemm.gtn.com> In-Reply-To: <20001215214635.A43778@peorth.iteration.net>; from keichii@iteration.net on Fri, Dec 15, 2000 at 09:46:35PM -0600 References: <20001215160102.A84096@evilcode.com> <200012160021.eBG0Lfo05581@mass.osd.bsdi.com> <20001215162523.A86352@evilcode.com> <20001215214635.A43778@peorth.iteration.net>
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On Fri, Dec 15, 2000 at 09:46:35PM -0600, Michael C . Wu wrote: > On Fri, Dec 15, 2000 at 04:25:24PM -0800, James scribbled: > | On Fri, Dec 15, 2000 at 04:21:41PM -0800, Mike Smith wrote: > | > > I understand that FreeBSD 4.2 (and before) does not support > | > > the Promise FASTtrak66 in a RAID setup. But being one that > | > > likes to see things for himself, I tried it out. > | > > | > Actually, FreeBSD does support these cards in 4.2. > > Use the ar0 if you want the RAID to work, and setup your ar0 > configuration in the Promise card's BIOS. The manpage doesn't mention the RAID controller to be supported. Is there a webpage containing information, what functionality one may expect from RAID mode ??? Does it support only mirroring, so that two drives can be mirrored ? Can the controller mirror 2 x 2 drives ? Is it mainly the controller, who does this job ? Would it then be possible, to install Win2000 and FreeBSD on the same mirrored set of disks ? What if a failure occurs ? Does it automatically switch over to use the remaining drive without having to do something immediately ? When does recovery takes place ? Do I simply have to powerdown the machine and replace the bad disk and the controller automatically recovers the harddisks ? Even if drive 0 was bad ? Does it boot then from drive 1 and does recovery in the background ? Would be glad to learn about it, since doing backups of 40 GB harddisks with a 2 GB QIC tape is not an easy task ... So mirroring would be the thing to do, but it was relatively expensive up to now ... BTW, wasn't there a Promise RAID controller available for ATA-100 ? Is it also supported ? -- Andreas Klemm Powered by FreeBSD SMP Songs from our band >>64Bits<<............http://www.apsfilter.org/64bits.html My homepage................................ http://people.FreeBSD.ORG/~andreas Please note: Apsfilter got a NEW HOME................http://www.apsfilter.org/ To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hardware" in the body of the message
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