Re: dd and gzip'd files

1999-11-21 Thread Rodney W. Grimes
> > > > I recently tried using dd to transfer a binary image to floppy. > > > > It was the Linux root disk image, color.gz. Basically, dd works > > > > ok with non-gzipped files, but with files in gzip format, it > > > > chokes: > > > > > > > > root@lc186 floppies# dd if=color.gz of=/dev/rfd0 > >

Re: dd and gzip'd files

1999-11-21 Thread Julian Elischer
> > > > It appears to have worked. I guess the output block size of 16k > > is key for floppies, then. The conv=osync does the padding. I use 18K (one cylinder) but any multiple of 9k should work well. > > No, the block size requirement for floppies is 512 bytes, as it is for > almost any

Re: dd and gzip'd files

1999-11-21 Thread Mike Smith
> > > I recently tried using dd to transfer a binary image to floppy. > > > It was the Linux root disk image, color.gz. Basically, dd works > > > ok with non-gzipped files, but with files in gzip format, it > > > chokes: > > > > > > root@lc186 floppies# dd if=color.gz of=/dev/rfd0 > > > dd: /dev/

Re: dd and gzip'd files

1999-11-20 Thread Dan Nelson
In the last episode (Nov 20), Donn Miller said: > Thanks. Here is what I tried: > > root@lc186 floppies# dd obs=16k conv=osync if=color.gz > of=/dev/rfd0 > 2453+1 records in > 77+0 records out > 1261568 bytes transferred in 50.994527 secs (24739 bytes/sec) > > It appears to have worked. I gues

Re: dd and gzip'd files

1999-01-17 Thread Donn Miller
Alfred Perlstein wrote: > > On Sat, 20 Nov 1999, Donn Miller wrote: > > > I recently tried using dd to transfer a binary image to floppy. > > It was the Linux root disk image, color.gz. Basically, dd works > > ok with non-gzipped files, but with files in gzip format, it > > chokes: > > > > root

Re: dd and gzip'd files

1999-01-17 Thread Alfred Perlstein
On Sat, 20 Nov 1999, Donn Miller wrote: > I recently tried using dd to transfer a binary image to floppy. > It was the Linux root disk image, color.gz. Basically, dd works > ok with non-gzipped files, but with files in gzip format, it > chokes: > > root@lc186 floppies# dd if=color.gz of=/dev/r

dd and gzip'd files

1999-01-17 Thread Donn Miller
I recently tried using dd to transfer a binary image to floppy. It was the Linux root disk image, color.gz. Basically, dd works ok with non-gzipped files, but with files in gzip format, it chokes: root@lc186 floppies# dd if=color.gz of=/dev/rfd0 dd: /dev/rfd0: Invalid argument 2453+1 records in