https://www.google.com/search?q=how+to+fdisk+delete+partition ----->>>>> http://www.cyberciti.biz/faq/linux-how-to-delete-a-partition-with-fdisk-command/
Cyberciti is a good source for information. As are many others. On Fri, Jun 10, 2016 at 1:05 PM, Vladimir Gusiatnikov < [email protected]> wrote: > Indeed I get the open-source/unpaid paradigm and sincerely appreciate the > contributions. But, if a version breaks something, as I here seem to have > material proof, perhaps there should at least be disclaimers and not an > urging to use that specific version with detailed instructions on how to do > so. > > So, where I got to with this particular SD card is as follows, which is > beyond my knowledge of Linux, for which I apologize. I reformatted it in > Windows in SD Formatter to FAT32, Windows can read and write and sees the > 7.2 GB (the mystery of the extra space is perhaps simple—an 8 GB card with > some bad blocks sold as 4 GB). I reformatted in every possible combination > of options, then put a file on the SD card. > > lsblk on Ubuntu then reports 7.2 GB on /dev/sdb1. > > I can mount /dev/sdb1 on Ubuntu and read the file I wrote in Windows. > > When I run sudo cfdisk /dev/sdb, I see 780 MB of free space. (Before I did > the Windows reformatting, I tried reformatting sdb in Linux, and I deleted > the partitions that were previously formed by dd'ing the 7.9 image). > > When I run sudo cfdisk /dev/sdb1, I see 7.2 GB of free space. Yes, free > space, despite being able to read, on the same machine at the same time, > the file that's on the SD card. > > It seems to me that partition tables are corrupted, the portions that are > seen by Linux/Ubuntu, and that they were corrupted by running > grow_partition.sh on the Beaglebone earlier. And, that Ubuntu is confused > by these tables and does not know how to recover. > > On Friday, June 10, 2016 at 11:50:44 AM UTC-7, RobertCNelson wrote: > >> On Fri, Jun 10, 2016 at 1:45 PM, Vladimir Gusiatnikov >> <[email protected]> wrote: >> > This is what the instructions state on >> > http://beagleboard.org/getting-started : >> > >> > Update board with latest software >> > >> > Step #1: Download the latest software image >> > >> > Download the desired image from https://beagleboard.org/latest-images. >> > >> > >> > and the above link, https://beagleboard.org/latest-images , is >> precisely >> > where I got the image on the SD card in question from: >> > >> > Wheezy for BeagleBone, BeagleBone Black and SeeedStudio BeagleBone >> Green via >> > microSD card >> > >> > Debian 7.9 (BeagleBone, BeagleBone Black, SeeedStudio BeagleBone Green >> - 4GB >> > SD) 2015-11-12 - more info - bmap - sha256sum: >> > f6e67ba01ff69d20f2c655f5e429c3e6c2398123bcd3d8d548460c597275d277 >> > >> > >> > Why am I using 7.9 and not 8.4? Because I need kernel 3.8.x for the >> cape I >> > am using. The cape is unsupported under 4.x kernels. >> >> in 8.4 you can do: >> >> sudo apt-get update >> sudo apt-get install linux-image-3.8.13-bone79 >> >> There back to 3.8.x based kernel ;) >> >> > So, why do you state "Robert's Debian images have not used a two >> partition >> > layout in quite some times now"? Please explain. There were two >> partitions >> > on the SD card that I flashed with the 7.9 image above. The smaller >> > partition was the FAT32 one that shows up as a drive in Windows if I >> connect >> > the Beaglebone to a Windows host with a USB cable. This smaller >> partition >> > has mostly getting-started documents. >> >> On newer image's we use an *.img file instead of a hard-coded fat32 >> partition... >> >> > If the 7.9 images are no longer supported, Beaglebone should say so and >> not >> > suggest them as latest images. >> >> "supported" is a loose term.. If you want 100% fully supported, you'll >> need to bug someone who get's paid to do this. (i don't get $ for >> it.) >> >> > >> > Also, can you please kindly explain "check your link, as in reload the >> page. >> > It no longer exists"? I didn't put in a full link below to save space. >> The >> > full link to the instructions that I followed that yielded an SD card >> with >> > greatly diminished capacity was provided by Robert above in the second >> reply >> > to the original post, >> > >> http://elinux.org/Beagleboard:BeagleBoneBlack_Debian#Expanding_File_System_Partition_On_A_microSD >> >> 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/a97c5918-28b3-4ca4-bbcf-ca1bb0f72336%40googlegroups.com > <https://groups.google.com/d/msgid/beagleboard/a97c5918-28b3-4ca4-bbcf-ca1bb0f72336%40googlegroups.com?utm_medium=email&utm_source=footer> > . > > For more options, visit https://groups.google.com/d/optout. > -- 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/CALHSORq%3DvgDbup9%2BGaAkN%3Dg1d6nRoeBV5eY5uFYOYyjynOjAcQ%40mail.gmail.com. For more options, visit https://groups.google.com/d/optout.
