Re: Degrading disk read performance under 2.2.16

From: Andries Brouwer (aeb@veritas.com)
Date: Fri Aug 11 2000 - 11:35:21 EST


On Fri, Aug 11, 2000 at 05:11:59PM +0100, Corin Hartland-Swann wrote:

> Partition check:
> hda: hda1 hda2 hda3
> hdb: hdb1
> hdc: [PTBL] [4982/255/63] hdc1
>
> Can anyone explain to me what the [PTBL] bit means? I've been wondering
> this for about 4 years now, and still don't know :)

For all details (for 2.0.8, some things are slightly different today)
see the Large-Disk HOWTO
        http://www.win.tue.nl/~aeb/linux/Large-Disk-8.html#ss8.5

The short summary is that [PTBL] in front of the geometry
means that the geometry was not taken from disk, or BIOS, or
kernel command line, but derived from the partition table.

Disk geometry is totally unrelated to disk performance.

Andries

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