Hey, is anybody ever going to answer this email?

On Wed, Feb 26, 2003 at 02:48:10PM +0200, Ruslan Ermilov wrote:
> On Tue, Feb 25, 2003 at 09:52:02PM +0200, Ruslan Ermilov wrote:
> > On Tue, Feb 25, 2003 at 08:02:19PM +0200, John Hay wrote:
> [...]
> > > Ok, with the patches below I can get to where it tries to build the
> > > fixit floppy in release.10. It breaks because the floppy is too small.
> > > I must still check to make sure it is true.
> > > 
> > We'll know this in less than 1:30 -- I've just launched the
> > snapshot build for 4.x/i386 on my fast -stable box.
> > 
> > While I was writing it, it's already finished (successfully).
> > 
> > ftp://ftp.sunbay.net/pub/FreeBSD/snapshots/i386/4.x-20030225-STABLE/
> > 
> OK, I've tracked it down to the differences in newfs(8) between
> 4.x and 5.x.  In 4.x, newfs'ing a 1.44MB floppy results in a
> single cylinder group, but in 5.x there's a thing called
> MINCYLGRPS, which results in fewer free space on a floppy:
> 
> : # uname -r
> : 4.7-STABLE
> : # ./x
> : Warning: Block size restricts cylinders per group to 6.
> : Warning: 1216 sector(s) in last cylinder unallocated
> : /dev/vn0c:  2880 sectors in 1 cylinders of 1 tracks, 4096 sectors
> :     1.4MB in 1 cyl groups (6 c/g, 12.00MB/g, 384 i/g)
> : super-block backups (for fsck -b #) at:
> :  32
> : Filesystem 1K-blocks    Used   Avail Capacity iused   ifree %iused  Mounted on
> : /dev/vn0        1363       0    1363     0%       1     381    0%   
> 
> : # uname -r
> : 5.0-CURRENT
> : # ./x
> : /dev/md0c: 1.4MB (2880 sectors) block size 4096, fragment size 512
> :     using 4 cylinder groups of 0.36MB, 91 blks, 128 inodes.
> : super-block backups (for fsck -b #) at:
> :  32, 760, 1488, 2216
> : Filesystem 1K-blocks    Used   Avail Capacity iused  ifree %iused  Mounted on
> : /dev/md0        1311       0    1311     0%       1    509    0%   
> 
> With this patch to newfs(8),
> 
> : Index: mkfs.c
> : ===================================================================
> : RCS file: /home/ncvs/src/sbin/newfs/mkfs.c,v
> : retrieving revision 1.74
> : diff -u -p -r1.74 mkfs.c
> : --- mkfs.c  22 Feb 2003 23:26:11 -0000      1.74
> : +++ mkfs.c  26 Feb 2003 11:20:57 -0000
> : @@ -317,7 +317,7 @@ mkfs(struct partition *pp, char *fsys)
> :     for ( ; sblock.fs_fpg < maxblkspercg; sblock.fs_fpg += sblock.fs_frag) {
> :             sblock.fs_ipg = roundup(howmany(sblock.fs_fpg, fragsperinode),
> :                 INOPB(&sblock));
> : -           if (sblock.fs_size / sblock.fs_fpg < MINCYLGRPS)
> : +           if (sblock.fs_size / sblock.fs_fpg < (Oflag == 2 ? MINCYLGRPS : 1))
> :                     break;
> :             if (CGSIZE(&sblock) < (unsigned long)sblock.fs_bsize)
> :                     continue;
> 
> I still don't get the same picture as on 4.x, but it's now at least
> sufficient to make release.10 happy.
> 
> : # ./x
> : /dev/md0c: 1.4MB (2880 sectors) block size 4096, fragment size 512
> :     using 1 cylinder groups of 1.41MB, 361 blks, 416 inodes.
> : super-block backups (for fsck -b #) at:
> :  32
> : Filesystem 1K-blocks    Used   Avail Capacity iused  ifree %iused  Mounted on
> : /dev/md0        1359       0    1359     0%       1    413    0%   
> 
> John, I'm sending you the complete patchset in another email.
> 
> 
> Cheers,
> -- 
> Ruslan Ermilov                Sysadmin and DBA,
> [EMAIL PROTECTED]             Sunbay Software AG,
> [EMAIL PROTECTED]             FreeBSD committer,
> +380.652.512.251      Simferopol, Ukraine
> 
> http://www.FreeBSD.org        The Power To Serve
> http://www.oracle.com Enabling The Information Age

> FSIMG=fixit.flp
> FSSIZE=1440
> FSLABEL=fd1440
> FSINODE=4000
> 
> dd of=${FSIMG} if=/dev/zero count=${FSSIZE} bs=1k 2>/dev/null
> 
> case `uname -r` in
> 4.*)
>       DEVICE=vn0
>       vnconfig -s labels -c /dev/${DEVICE} ${FSIMG}
>       ;;
> 5.*)
>       DEVICE=`mdconfig -a -t vnode -f ${FSIMG}`
>       ;;
> esac
> 
> disklabel -w -B ${DEVICE} ${FSLABEL}
> newfs -i ${FSINODE} -o space -m 0 /dev/${DEVICE}c
> 
> #disklabel ${DEVICE}
> df -i /dev/${DEVICE}
> 
> case `uname -r` in
> 4.*)
>       vnconfig -u ${DEVICE}
>       ;;
> 5.*)
>       mdconfig -d -u ${DEVICE}
>       ;;
> esac




-- 
Ruslan Ermilov          Sysadmin and DBA,
[EMAIL PROTECTED]               Sunbay Software AG,
[EMAIL PROTECTED]               FreeBSD committer,
+380.652.512.251        Simferopol, Ukraine

http://www.FreeBSD.org  The Power To Serve
http://www.oracle.com   Enabling The Information Age

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