Date: Wed, 4 Aug 1999 09:33:36 +0930 From: Greg Lehey <grog@lemis.com> To: jakob@ostenfeld.dk Cc: freebsd-questions@FreeBSD.ORG Subject: Re: Vinum boot support Message-ID: <19990804093336.T62948@freebie.lemis.com> In-Reply-To: <19990803231512.A30831@ostenfeld.dk>; from jakob@ostenfeld.dk on Tue, Aug 03, 1999 at 11:15:12PM %2B0200 References: <19990803231512.A30831@ostenfeld.dk>
next in thread | previous in thread | raw e-mail | index | archive | help
On Tuesday, 3 August 1999 at 23:15:12 +0200, jakob@ostenfeld.dk wrote: > > Hi BSD'ers ! > > I'm in need of some help or suggestions regarding a setup > with FreeBSD on a machine with two IDE disks. > > I want to run RAID-1 on those disks, and I'm pretty sure I > can do that with Vinum. However, it's not clear to me whether > I can make the system boot on the logical RAID-1 volume. > > Is it possible ? No. It's the top of the wish list, and as soon as I have time I'll get to it. > How ? Nohow. > The Vinum docs say it's not recommended to have Vinum directly > in the kernel (it should instead be a loadable module). Now, I > would expect that this means that I cannot boot on a Vinum > volume. Why isn't it recommended ? It's not recommended because I think it's better to have a modular kernel. It has no effect on whether you can use a Vinum volume as the root file system: you can load modules at boot time. > I have a final question with which I do not intend to start > a flame war... How can I expect FreeBSD disk I/O performance > to compare to Linux disk I/O performance ? Well. > Especially with regards to stat() and fsync() ? I wasn't aware of any issues here. Of course, you will want to minimize the number of calls, no matter which system you use. Greg -- When replying to this message, please copy the original recipients. For more information, see http://www.lemis.com/questions.html See complete headers for address, home page and phone numbers finger grog@lemis.com for PGP public key To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?19990804093336.T62948>