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From: Neal H Walfield
Subject: fdisk
Date: Fri, 10 Nov 2000 01:51:28 -0500
User-agent: Mutt/1.2i

Hi Guys,

What are the thoughts on the Correct Way to do fdisk?  I can now,
using device_read, find the partition information on the entire disk
(including past 4GB, however, I imagine that this is limited to either
2G*512=1TB or 4G*512=2TB).

If using device_read and device_write is the Correct Way, how
does one cause the kernel to reinitialize the storeios (or is this
even necessary)?  Also, is there a way to find out is a device is
currently open (e.g. by another process, such as, a storeio) and is
there a way to ask it to shutdown?

If adding an rpc to libstore is the Right Way, where should this be
added?  Is there anything in particular it should look like?  What
should a device do that has no geometry?  How about when, e.g., hd0 is
modified and the changes need to be propagated to, e.g., hd0s1.


Neal H Walfield
University of Massachusetts at Lowell
neal@walfield.org or neal@cs.uml.edu

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