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Thread: lubuntu issue on orangepi : Moving from SD card to SDD, problem with size of /

  1. #1
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    lubuntu issue on orangepi : Moving from SD card to SDD, problem with size of /

    Edited by sundeepgoel at 2019-4-12 16:49
    Hi,

    On my orangepipc install, I have moved from SD card to SSD following https://elinux.org/Transfer_system_d...d_to_hard_disk and now have / pointing to /dev/sda1, however, the filesystem size is not increasing even after running resize2fs

    output of mount
    /dev/sda1 on / type ext4 (rw)
    /dev/sda1 on / type ext4 (rw) <- / mounted to SSD i.e. sda1
    none on /proc type proc (rw,noexec,nosuid,nodev)
    sysfs on /sys type sysfs (rw,noexec,nosuid,nodev)
    devtmpfs on /dev type devtmpfs (rw,mode=0755)
    none on /dev/pts type devpts (rw,noexec,nosuid,gid=5,mode=0620)
    none on /sys/fs/cgroup type tmpfs (rw)
    none on /sys/fs/fuse/connections type fusectl (rw)
    none on /sys/kernel/debug type debugfs (rw)
    none on /run type tmpfs (rw,noexec,nosuid,size=10%,mode=0755)
    none on /run/lock type tmpfs (rw,noexec,nosuid,nodev,size=5242880)
    none on /run/shm type tmpfs (rw,nosuid,nodev)
    none on /run/user type tmpfs (rw,noexec,nosuid,nodev,size=104857600,mode=0755)
    overflow on /tmp type tmpfs (rw,size=1048576,mode=1777)
    /dev/sda1 on /dev/root type ext4 (rw)
    systemd on /sys/fs/cgroup/systemd type cgroup (rw,noexec,nosuid,nodev,none,name=systemd)
    gvfsd-fuse on /run/user/108/gvfs type fuse.gvfsd-fuse (rw,nosuid,nodev,user=lightdm)


    output of parted - l
    Model: External USB3.0 (scsi)
    Disk /dev/sda: 120GB
    Sector size (logical/physical): 512B/512B
    Partition Table: msdos

    Number Start End Size Type File system Flags
    1 1049kB 32.2GB 32.2GB primary ext4 <- size of sda1
    2 32.2GB 120GB 87.8GB primary


    Model: SD SL16G (sd/mmc)
    Disk /dev/mmcblk0: 15.9GB
    Sector size (logical/physical): 512B/512B
    Partition Table: msdos

    Number Start End Size Type File system Flags
    1 21.0MB 64.0MB 43.0MB primary fat16
    2 64.0MB 3670MB 3606MB primary ext4


    output of df -h
    Filesystem Size Used Avail Use% Mounted on
    /dev/root 3.4G 3.3G 0 100% / <- core issue, i.e. size of / or /dev/root due to which getting disk full error
    devtmpfs 374M 4.0K 374M 1% /dev
    none 4.0K 0 4.0K 0% /sys/fs/cgroup
    none 101M 656K 100M 1% /run
    none 5.0M 0 5.0M 0% /run/lock
    none 502M 0 502M 0% /run/shm
    none 100M 4.0K 100M 1% /run/user
    overflow 1.0M 4.0K 1020K 1% /tmp
    /dev/sda1 30G 3.0G 26G 11% /dev/root

    please advise on how to resize /dev/root mapped to /?

    note : have posted this on the orangepi forum at : http://www.orangepi.org/orangepibbse...extra=page%3D1, however, due to no reply there am posting to this forum.
    Last edited by sundeepgoel; 5 Days Ago at 05:19 PM.

  2. #2
    Join Date
    Mar 2011
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    Re: lubuntu issue on orangepi : Moving from SD card to SDD, problem with size of /

    If your sda2 is empty, delete it, expand the sda1 to fill the space, then run resizefs (if the partition tool you use does not do it automatically for you).

  3. #3
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    Re: lubuntu issue on orangepi : Moving from SD card to SDD, problem with size of /

    sda1 is already 32.2 GB, and resizefs had not effect there. but i will try as suggested and post back results.

  4. #4
    Join Date
    Feb 2017
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    Re: lubuntu issue on orangepi : Moving from SD card to SDD, problem with size of /

    Did as advised. sda1 is now 120GB

    Model: External USB3.0 (scsi)
    Disk /dev/sda: 120GB
    Sector size (logical/physical): 512B/512B
    Partition Table: msdos


    Number Start End Size Type File system Flags
    1 1049kB 120GB 120GB primary ext4


    However, df -h still shows old problem
    root@orangepi:/home/orangepi# df -h
    Filesystem Size Used Avail Use% Mounted on
    /dev/root 3.4G 3.3G 0 100% / <-- Issue
    devtmpfs 374M 4.0K 374M 1% /dev
    none 4.0K 0 4.0K 0% /sys/fs/cgroup
    none 101M 652K 100M 1% /run
    none 5.0M 0 5.0M 0% /run/lock
    none 502M 0 502M 0% /run/shm
    none 100M 4.0K 100M 1% /run/user
    overflow 1.0M 4.0K 1020K 1% /tmp
    /dev/sda1 111G 3.0G 103G 3% /dev/root <-- Shows correct
    Last edited by sundeepgoel; 4 Days Ago at 08:07 AM.

  5. #5
    Join Date
    Feb 2017
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    Re: lubuntu issue on orangepi : Moving from SD card to SDD, problem with size of /

    Did some further research, getting some clues :-

    cat /proc/cmdline, give :-
    earlyprintk=ttyS0,115200 loglevel=8 console=ttyS0,115200 console=tty0 root=/dev/mmcblk0p2 rootfstype=ext4 elevator=deadline rootwait

    which means that root is still pointing to /dev/mmcblk0p2, and not /dev/sda1

    the line root = /dev/sd1 in /boot/cmdline.txt does not seem to be having desived effect...

    dmesg output has "Ignoring tag cmdline (using the default kernel command line)"

    Any suggestions ?
    Last edited by sundeepgoel; 4 Days Ago at 10:48 AM.

  6. #6
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    Mar 2011
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    Re: lubuntu issue on orangepi : Moving from SD card to SDD, problem with size of /

    Your /proc/cmdline does not show a BOOT_IMAGE=...,Check which kernel grub is booting, if it's on the mmcblk, then a mount of sda1 is done over /, that might explain what's happening. Try running update-grub to see if that points the grub kernel to the one on sda1.

  7. #7
    Join Date
    Feb 2017
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    Re: lubuntu issue on orangepi : Moving from SD card to SDD, problem with size of /

    Check which kernel grub is booting
    How do i check this, sorry for the newbie question .

  8. #8
    Join Date
    Mar 2011
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    Re: lubuntu issue on orangepi : Moving from SD card to SDD, problem with size of /

    In the file /boot/grub/grub.cfg, the first boot entry follows the line starting with "menuentry 'Ubuntu'...". In that menuentry, look for the line "root = ..." and see if it refers to the hard disk hd0 or the mmcblk0 Maybe just post that whole menuentry section here. The running kernel may be found with the terminal command "uname -a" , and the mounted devices with the command "df" Output of those commands is of interest too.

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