Thanks Robert!. I wasn't sure what that README statement meant either.
Maybe there's somewhere where a bug report can be issued against their documentation to clarify... Regards and see y'all in P.O. On Thursday, March 8, 2018 at 2:05:00 PM UTC-6, RobertCNelson wrote: > > On Thu, Mar 8, 2018 at 1:58 PM, Jeff Andich <[email protected] > <javascript:>> wrote: > > Hi, > > > > I was needing a utility to read/clone an SD card without copying all of > the > > additional wasted space on an SD card like the original Win32 Disk > Imager > > Does. From what I can tell, the latest Etcher for Windows only writes > to SD > > card. > > > > So I just tried the latest Win32 Disk Imager which now has a checkbox, > "Read > > Only Allocated Partitions." With the beaglebone/beagleboard images, I > > thought (in order to clone an SD card image without wasted space) for > sure > > that with the structure of the BeagleBone/BeagleBoard images having a > single > > ext4 partition and then MLO/u-boot in the "holes" below the partition > > somewhere, I would have to: > > > > 1) upload/read just the ext4 partition, clicking the Read Only Allocated > > Partition checkbox with Win32 Disk Imager > > 2) Write that uploaded partition to the target SD card. > > 3) Re-'dd' MLO and u-boot to the target SD card. > > > > But low and behold, I tried booting my board after step #2, and it boots > > with my modified MLO.. > > > > Either Win32 Disk imager, when you click that checkbox, is reading from > the > > start of the SD card to the end of the ext4 partition (and not reading > past > > that point), or something else is going on. > > > > Why is the MLO/u-boot which reside in the "holes" copied as well? > > > > > > Granted, I didn't google this in advance, so if this has already been > > discussed somewhere, then please don't answer... > > From their readme: > > "Read Only Allocated Partitions - Option to read only to the end of > the defined partition(s). Ex: Write a 2G image to a 32G device, > reading it to a new file will only read to the end of > the defined partition (2G)." > > My guess, it starts from zero -> end of partition... Not the start of > the partition.. > > Regards, > > -- > Robert Nelson > https://rcn-ee.com/ > -- For more options, visit http://beagleboard.org/discuss --- You received this message because you are subscribed to the Google Groups "BeagleBoard" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/beagleboard/58bc5aaa-c262-41c4-8045-c7aedda20ba8%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.
