dumb question about fdisk
Bob Edwards
Robert.Edwards at anu.edu.au
Fri Aug 23 09:22:46 EST 2002
Matthew Hawkins wrote:
>
> Kim Holburn (kim.holburn at anu.edu.au) wrote:
> > I have a disk which is running, mounted etc. and I want to change the
> > bootable flag to another partition. I change the flag then I have to
> > "write table to disk and exit". Will this destroy data on my disk? I
>
> Yes. With any luck, it will completely destroy the data containing the
> previous setting of the bootable flag on that partition.
>
> In fact, the authors might even be lazy and it will destroy all the
> previous data on the partition table (replacing it all with the new
> one). I think this has something to do with the disk having to be
> written to in 512-byte blocks.
>
> As for the rest of the disk, in my experience Linux fdisk has never
> touched it.
>
Matt, you are such a delight on this list, sometimes!
Cheers,
Bob Edwards.
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