Messages in this thread | | | Date | Thu, 10 Apr 2008 21:05:50 +0200 | From | "Francis Moreau" <> | Subject | Re: Disk geometry from /sys |
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Hi
On Wed, Apr 9, 2008 at 11:57 PM, Mark Lord <lkml@rtr.ca> wrote: > > I'm trying to know the geometry of my hard disk from a bash script > > and that's the reason I'm looking in /sys. The reason is that I'd like > > to figure out the size of a cylinder without doing a > > ioctl(bdev, HDIO_GETGEO, &geo) > > > > $ DEV=/dev/sda > $ GEOM="`/sbin/hdparm -g $DEV | awk '{print $3}'`" > $ echo $GEOM > 19457/255/63 > $ >
Sure and you could the same with fdisk, sfdisk, parted outputs...
But that wasn't my point, sorry if it wasn't clear.
I was actually wondering why /sys/block/sda exports a lot of disk features but the disk geometry. I was wondering if somthing like
/sys/block/sda/geometry/heads
could be useful...
-- Francis
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