This is a Fedora arm problem, but probably more experience with dd and
sd cards here...
SO I boot my Cubieboard2 from microSD. I grabbed 8 16GB cards from the
bin at the MicroCenter checkout counter. They work fine for building
F21 arm boots, but I am getting far enough into the process that if I do
something wrong, I don't want to go all the way back to the beginning.
I rather clone the card, play around, and soforth. So I tried using:
sudo dd if=/dev/sdb of=/dev/sdc bs=4096 conv=notrunc,noerror; sync
the target sd card has been previously use. The copy fails in use as
follows:
Mounting Configuration File System...
[ OK ] Mounted Configuration File System.
[ OK ] Found device
/dev/disk/by-uuid/1dc878de-92d2-4a66-b352-f055a32473b9.
[ OK ] Started dracut initqueue hook.
[ OK ] Started Show Plymouth Boot Screen.
[ OK ] Reached target Paths.
[ OK ] Reached target Basic System.
Starting dracut pre-mount hook...
[ OK ] Reached target Remote File Systems (Pre).
[ OK ] Reached target Remote File Systems.
Starting File System Check on
/dev/disk/by-uuid/1dc8...f055a32473b9...
[ 13.911063] systemd-fsck[368]: _/: The filesystem size (according to
the superblock) is 3587707 blocks
[ OK ] Started dracut pre-mount hook.
[ 13.919598] systemd-fsck[368]: The physical size of the device is
3548795 blocks
[ 13.937109] systemd-fsck[368]: Either the superblock or the partition
table is likely to be corrupt!
[ 13.944962] systemd-fsck[368]: _/: UNEXPECTED INCONSISTENCY; RUN fsck
MANUALLY.
[ 13.950853] systemd-fsck[368]: (i.e., without -a or -p options)
[ OK ] Started File System Check on
/dev/disk/by-uuid/1dc87...2-f055a32473b9.
Mounting /sysroot...
[ 14.483857] random: nonblocking pool is initialized
[ 14.571964] EXT4-fs (mmcblk0p3): bad geometry: block count 3587707
exceeds size of device (3548795 blocks)
[FAILED] Failed to mount /sysroot.
See 'systemctl status sysroot.mount' for details.
[DEPEND] Dependency failed for Initrd Root File System.
[DEPEND] Dependency failed for Reload Configuration from the Real Root.
[ OK ] Stopped dracut pre-pivot and cleanup hook.
[ OK ] Stopped target Initrd Default Target.
[ OK ] Stopped dracut mount hook.
[ OK ] Reached target Initrd File Systems.
[ OK ] Stopped target Basic System.
[ OK ] Stopped target System Initialization.
Starting Emergency Shel
Generating "/run/initramfs/rdsosreport.txt"
Entering emergency mode. Exit the shell to continue.
Type "journalctl" to view system logs.
You might want to save "/run/initramfs/rdsosreport.txt" to a USB stick
or /boot
after mounting them and attach it to a bug report.
:/#
=======================================================
I put the card back in my build system and looked at it with Gparted
which shows the whole drive as unallocated, even though the system
successfully mounted /boot (but not /).
So the question is: HOw better can I clone the card? SDFormatter in
Windows is one suggestion, but I don't want to have to jump over to the
family XP system.
thanks
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