boot floppy

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# 1  
Old 07-25-2002
Bug boot floppy

hello ,
i have sun sparc machine with sunos2.7 , the machine has a cdrom but no floppy drive , it is networked with windows machine , from where i can use ftp and telnet.
can i use floppy drive of windows machine and create a boot image(of unix) on that drive, using ftp?
# 2  
Old 07-25-2002
This is the procedure for creating a bootable floppy:

Procedure for creating a bootable SunOS floppy diskette.

1. Insert floppy in Diskette Drive.
2. newfs /dev/rfd0c
3. mount /dev/fd0 /mnt
4. cp /usr/mdec/bootfd /mnt/bootfd
5. cp /usr/kvm/stand/boot.sun4c /mnt/boot
6. /usr/mdec/installboot /mnt/boot bootfd /dev/rfd0c
7. Copy your vmunix kernel to the floppy.

Note: There will only be ~950K remaining so the vmunix
will have to be very small.

Here is a sample installation session:

# newfs /dev/rfd0c
/dev/rfd0c: 2880 sectors in 80cylinders of 2 tracks,
18 sectors
1.5MB in 5 cyl groups (16 c/g, 0.29MB/g, 128 i/g)
super-block backups (for fsck -b #) at:
32, 640, 1184, 1792, 2336,

# mount /dev/fd0 /mnt

# cp /usr/mdec/bootfd /mnt

# cp /usr/kvm/stand/boot.sun4c /mnt/boot

# installboot -v /mnt/boot bootfd /dev/rfd0c
Primary boot: bootfd
Secondary boot: /mnt/boot
Boot device: /dev/rfd0c
Bootblock will contain a.out header
Boot size: 0x1af40
Boot checksum: 0xf22db98e
Boot block installed

# ls /mnt
boot bootfd lost+found

I doubt if you could put all this into some file, ftp it to the p.c., and then put it on the floppy. The problem I see is the newfs command and the installboot command. How to create the floppy
with this... And then how to use it even if you did create it since the SUN system does not have a floppy.
# 3  
Old 07-25-2002

thax rtm , i knew above procudure , but was doubtfull only of sending it across ftp , as u also mentioned.
thanx any way.
# 4  
Old 07-25-2002
You do realize you can boot off the cdrom drive into single user and work on your drives, or boot cdrom and install. If you are looking for different ways to be able to get the server up and running (after a problem). Also check out jumpstart.
# 5  
Old 07-26-2002

The OS cd tht came with system , works fine , but when i say boot cdrom from ok prompt , it says boot failure .
any way i dont have problem yet with system , os is running fine, i waj just trying this. thanx
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