Compact Flash cards

[Alan Dayley]

On Sat, Aug 28, 2010 at 2:48 PM, gm5729 <gm5729 at gmail.com> wrote:

> GPT disk
>
> A GPT disk uses the GUID partition table (GPT) disk partitioning system. A
> GPT disk offers these benefits:
> •
>
> Allows up to 128 primary partitions. (MBR disks can support up to four
> primary partitions and an infinite number of partitions inside an extended
> partition.)
> •
>
> Allows a much larger volume size - greater than 2 TB, which is the limit
> for MBR disks.
> •
>
> Provides greater reliability due to replication and cyclical redundancy
> check (CRC) protection of the partition table.
> •
>
> Can be used as a storage volume on all x64-based platforms.
>
> Very interesting.  Thank you.

You stated:

"gdisk and gnu Parted are the only partitions you can use on SSD/GPT drives
or you destroy the block/geometry mappings."

Is the destruction of the geometry mappings a bug in other tools or a side
effect of using GPT or what?  I'm trying to understand how the drive would
allow an outside tool to muck about in it's mapping data.  In general, such
data is simply not available to outside tools.

Alan
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