hi folks i want to burn image for my whole hdd.
so what i did

i made an iso image with mkisofs command

mkisofs -R -no-emul-boot -b boot/grub/stage2 -boot-load-size 4 -boot-info-table -o OS.iso /

this way it made bootable iso image of my entire file-system. which is about 2600 MB

now i want to write it on cd coz i dont have dvd riter.

i was trying it with cdrecord.

i want to ask what options should i use with cdrecord to automatically ask for second cd
after first cd capacity is full.

or if no such option is available in cdrecord. then is there any other tool.

or is there any other option in mkisofs so that i can split 2600 ISO image in 700 each.
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My requirement is simple I want to save my current working environment.

such that if i need to replace the disk.
when i install again from bootable disk it should have all softwares installed as it was before.

if any one have any other suggestions plzz advice

Thanks for help in advance.

AFAIK, iso's don't work like that...I don't think that you're going to be able to burn 1 iso across multiple CD's.

mkisofs does include an option to create an iso in approximately 1gb chunks, named 'filename_001.iso', 'filename_002.iso', etc (where 'filename' is what you specified with the -o flag), but that's not very useful unless you have a DVD burner.

If you really need to burn your entire hard drive to disk for whatever reason, I think that you're going to have to do it manually. Figure out which directories you can burn together to make up 650mb, make an iso out of those, grab some more directories, make another iso... Why not just burn your personal files, downloaded stuff, any config files that you've changed, etc? I mean, your installer disks already have the system part of your filesystem on them...those + your personal files + a little bit of fitting it all back together = the whole installation.

Use this mkisofs option:

-split-output Split output into files of approx. 1GB size

I haven't tried this, I hope this will work.
If I am wrong correct me.