On Thu, Mar 04, 2010 at 02:07:49PM +0100, Harald Hoyer wrote:
> On 02/26/2010 09:23 PM, Karel Zak wrote:
>> On Fri, Feb 26, 2010 at 09:44:29AM -0500, Joey Boggs wrote:
>>> # set up the snapshot
>>> - echo 0 `blockdev --getsize $BASE_LOOPDEV` snapshot $BASE_LOOPDEV $OVERLAY_LOOPDEV p 8 | dmsetup create live-rw
>>> + echo 0 `blockdev --getsize $BASE_LOOPDEV` snapshot $BASE_LOOPDEV $OVERLAY_LOOPDEV p 8 | dmsetup create $readonly_overlay live-rw
>> ^^^^^^^^^^^^^^^^^
>>
>> Don't use --getsize, this option is deprecated and it's based
>> on BLKGETSIZE ioctl that returns *32-bit* sector count (= 2TiB only).
>>
>> Please, use --getsz. For more details see blockdev(8) man page.
^^^^^^^^^^^^^^^^^^^^^
>>
>> Karel
>>
>
> patched to use --getsize64
That's wrong solution. The --getsize64 option returns size in bytes,
but you need size in 512-byte sectors. Use --getsz, read "man
blockdev" ;-)
Karel
--
Karel Zak <kzak@xxxxxxxxxx>
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