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  1. #1
    Join Date
    Dec 2005
    Posts
    2

    Cd-rws

    Can files be resaved/copied to a cd-rw disc without having to erase the disc? I want to make weekley updates on some of the file on the disk but not all of them. Each time I attempt to re-write to the disc I am prompted that this is a read only file/disk. chapmandlchapman@cs.com

  2. #2
    Join Date
    Jun 1999
    Location
    North Carolina
    Posts
    12,262
    You have to burn them as a muli sesson disk the first time then you will beable to do what you want.

    I personally don't bother with them anymore because CDR's are so cheap CDRW's aren't worth the trouble.

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  3. #3
    Join Date
    Nov 1998
    Location
    berwyn, il
    Posts
    3,724
    you need a packet writing software (directcd etc.) to do what you want. the software will format your cdrw and treat it like a big floppy. there are several limitations to the packet writing apps (overhead, compatabiltiy etc.) that makes it less than useful.

    you can create multi-sessions cdr that will allow you to do full backup of your data instead of an update. like jakerson stated, with the price of cdr/dvr as cheap as they are, cdrw is pretty much ignored. there are also issues with the durability of cdrw dyes that make them a poor choice for long term backup.

  4. #4
    Join Date
    May 1999
    Location
    Australia
    Posts
    2,790
    CD-RW can still be ok for rotating back-up, provided the data set is not too large. I've switched from CD-RW to DVD+RW for this purpose, but the principle is still the same.

    Yeah, dont use RW for archiving, but for rotating backups it's still a good option.

    Forget about packet writing software it's not worththe effort in my opinion. I just write multisession discs and when the data is old (that is a newer backup disc has been made) then you erase the old media and re-use. That's what a "rotating backup" implies!

    BTW Arrowstar, what burning software are you using? You need to tell us this if you want any specific infomation on how to write multisession discs.

  5. #5
    Join Date
    Dec 2005
    Posts
    2
    Thanks for the tip, I think I'll use option B
    ARROWSTAR

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