Date: Fri, 22 May 1998 16:23:48 -0700 (PDT) From: Tom <tom@uniserve.com> To: Raul Zighelboim <rzig@verio.net> Cc: "'Charles Owens'" <owensc@enc.edu>, Simon Shapiro <shimon@simon-shapiro.org>, Tom <tom@sdf.com>, freebsd-stable@FreeBSD.ORG, freebsd-scsi@FreeBSD.ORG Subject: RE: DPT install problem Message-ID: <Pine.BSF.3.96.980522162114.19615F-100000@shell.uniserve.ca> In-Reply-To: <A03CD00C69B1D01195AB00A024ECEB1691F109@kaori.communique.net>
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On Fri, 22 May 1998, Raul Zighelboim wrote: > My 0.02 cents: > I did not installed FreeBSd on a DPT controller, but with an > Adaptec controller. Nevertheless, I have a DPT controller on a system > with a large fs (71780140 1K blocks). The system works, works well and > has been up for 4 days as a very busy usenet news spool directory. > This is running 2.2-RELENG from last sunday. Yes. The DPT problem is related to sysinstall. If I newfs afterwards, everythings works ok. > As a sidebar; the DOS configuration software can only create arrays with > up to 1 mbyte interleave. Is this a limitation on the hardware or the > software ? Is (will there be) a way to create an array with a larger > interleave (32 megs comes to mind). That would not be a good idea, as the controller caches by the stripe. So a 32MB stripe would allow you to cache only two stripes. It also depends on what RAID level you are using. You probably wouldn't see any benefit beyond 1MB stripes anyhow. > Thanks, Simon, for a job well done. > > ================================================== > Raul Zighelboim rzig@verio.net Tom To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-stable" in the body of the message
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