Date: Fri, 21 Sep 2001 09:41:39 +0300 From: Ruslan Ermilov <ru@FreeBSD.ORG> To: Bruce Evans <bde@zeta.org.au> Cc: Kirk McKusick <mckusick@mckusick.com>, Ollivier Robert <roberto@eurocontrol.fr>, freebsd-arch@FreeBSD.ORG, obrien@FreeBSD.ORG Subject: Re: New option for newfs Message-ID: <20010921094139.C27714@sunbay.com> In-Reply-To: <20010921054417.Q70596-100000@delplex.bde.org>; from bde@zeta.org.au on Fri, Sep 21, 2001 at 05:58:53AM %2B1000 References: <200109201815.f8KIFQh33875@beastie.mckusick.com> <20010921054417.Q70596-100000@delplex.bde.org>
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On Fri, Sep 21, 2001 at 05:58:53AM +1000, Bruce Evans wrote:
[...]
> I have used this change for almost a year.
>
> IIRC, just changing DESCPG to a huge value is sufficient (newfs reduces
> from the default to the maximum if the default is larger). The ncyls
> stuff is to fix (?) the cosmetic (?) problem that bogus warnings are
> printed for vary small disks (ones where there are more cpg's than
> cylinders).
>
> The patch is missing the manpage changes.
>
> %%%
> Index: newfs.c
> ===================================================================
> RCS file: /home/ncvs/src/sbin/newfs/newfs.c,v
> retrieving revision 1.40
> diff -u -2 -r1.40 newfs.c
> --- newfs.c 19 Aug 2001 08:19:37 -0000 1.40
> +++ newfs.c 20 Sep 2001 18:55:28 -0000
> @@ -105,9 +97,8 @@
> * Cylinder groups may have up to many cylinders. The actual
> * number used depends upon how much information can be stored
> - * on a single cylinder. The default is to use 22 cylinders
> - * per group, which seems to be the largest value allowed given
> - * all the other default values.
> + * on a single cylinder. The default is to use as many as possible
> + * cylinders per group.
> */
> -#define DESCPG 22 /* desired fs_cpg */
> +#define DESCPG 65536 /* desired fs_cpg ("infinity") */
>
Shouldn't that be INT_MAX?
Cheers,
--
Ruslan Ermilov Oracle Developer/DBA,
ru@sunbay.com Sunbay Software AG,
ru@FreeBSD.org FreeBSD committer,
+380.652.512.251 Simferopol, Ukraine
http://www.FreeBSD.org The Power To Serve
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