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Special Forums Hardware DD command using block device as input Post 302671161 by nytty on Friday 13th of July 2012 07:42:14 AM
Old 07-13-2012
Coming back to your comment on raw device. I think if I replace read operations with writes and do a Fsync() call right after, then I am sure that I am getting raw access there. Also with hdparm, one can disable the write-cache.
 

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GNOME-DISKS(1)							gnome-disk-utility						    GNOME-DISKS(1)

NAME
gnome-disks - the GNOME Disks application SYNOPSIS
gnome-disks [OPTIONS] DESCRIPTION
gnome-disks is the command to launch the GNOME Disks application. Disks provides a way to inspect, format, partition and configure disks and block devices. The Disks application is single-instance. What this means is that if the application is not already running when the gnome-disks command is invoked, it will get launched and the command invocation will block until the application exits. Otherwise the existing application instance will be used and the gnome-disks command will exit immediately. OPTIONS
The following options are understood: --block-device DEVICE Switches to the Disks application and selects the block device given by DEVICE (for example, /dev/sda). --block-device DEVICE --format-device [--xid WINDOW-ID] Shows the "Format Volume" dialog for the block device given by DEVICE (for example, /dev/sdb1). If WINDOW-ID is given, makes the dialog transient to the given XID. --help Prints a short help text and exits. AUTHOR
Written by David Zeuthen <zeuthen@gmail.com> with a lot of help from many others. BUGS
Please send bug reports to either the distribution bug tracker or the upstream bug tracker at https://bugzilla.gnome.org/enter_bug.cgi?product=gnome-disk-utility. SEE ALSO
gnome-disk-image-mounter(1), udisks(8) GNOME
March 2013 GNOME-DISKS(1)
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