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0

I did resizing of my disk partition (/dev/mmcblk0p2), but after the process is done, what i get is the following results:

df -h :

Filesystem      Size  Used Avail Use% Mounted on

/dev/mmcblk0p2  3.1G  3.1G  2.5M 100% /

devtmpfs        360M     0  360M   0% /dev

tmpfs           489M  4.0K  489M   1% /dev/shm

tmpfs           489M   26M  464M   6% /run

tmpfs           5.0M  4.0K  5.0M   1% /run/lock

tmpfs           489M     0  489M   0% /sys/fs/cgroup

/dev/mmcblk0p1   40M   16M   25M  40% /boot

tmpfs            98M     0   98M   0% /run/user/0

tmpfs            98M     0   98M   0% /run/user/1000

and fdisk -l result is :

Disk /dev/mmcblk0: 7.4 GiB, 7948206080 bytes, 15523840 sectors

Units: sectors of 1 * 512 = 512 bytes

Sector size (logical/physical): 512 bytes / 512 bytes

I/O size (minimum/optimal): 512 bytes / 512 bytes

Disklabel type: dos

Disk identifier: 0x00000000



Device         Boot  Start      End  Sectors  Size Id Type

/dev/mmcblk0p1       49152   131071    81920   40M 83 Linux

/dev/mmcblk0p2      131072 15523839 15392768  7.3G 83 Linux

why in df i don't get the full size of /dev/mmcblk0p2 ???

resizing done by the following set of commands

totalSize=`sfdisk -l /dev/mmcblk0 | grep "Disk /dev/mmcblk0" | cut -d ' ' -f 7`;



p2Start=`sfdisk -d /dev/mmcblk0 | grep "/dev/mmcblk0p2" | cut -d ',' -f 1 | cut -d '=' -f 2 | awk '{$1=$1};1'`;



newSize=$((totalSize - p2Start));



sfdisk -d /dev/mmcblk0 > /tmp/DiskLayout;



sed -i -E "s//dev/mmcblk0p2.*size=[ ]*[0-9]+, type=83//dev/mmcblk0p2 : start=       ${p2Start}, size=    ${newSize}, type=83/" /tmp/DiskLayout;



sfdisk /dev/mmcblk0  --no-reread < /tmp/DiskLayout;



reboot



resize2fs /dev/mmcblk0p2



reboot

resize2fs output:

Filesystem at /dev/mmcblk0p2 is mounted on /;

on-line resizing required old_desc_blocks = 1, new_desc_blocks = 1 Performing an on-line resize of /dev/mmcblk0p2 to 1924096 (4k) blocks.

this is a part of a process for preparing sd in mass production, so it must be done dynamically using a split script parts

linux ubuntu partitioning

share|improve this question

edited yesterday

rami khawaly

asked yesterday

rami khawalyrami khawaly

11

New contributor

rami khawaly is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

• 
  
  
  

  
  1
  

  
  
  
  
  
  

  
  
  It looks like it should have worked... are you sure that resize2fs completed without errors? (no harm running it again)
  
  – Attie
  yesterday
  
  
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  No, seems ok. here is the output: Filesystem at /dev/mmcblk0p2 is mounted on /; on-line resizing required old_desc_blocks = 1, new_desc_blocks = 1 Performing an on-line resize of /dev/mmcblk0p2 to 1924096 (4k) blocks.
  
  – rami khawaly
  yesterday
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  1924096 * 4096 = 7.3 GiB... which isn't 3.1 G or ~14.8 G... can you refresh your question with new output from df -h and fdisk -l?
  
  – Attie
  yesterday
  
  
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  just updated the output
  
  – rami khawaly
  yesterday
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Things still don't add up... fdisk and resize2fs now agree, and df is the odd one out... are you sure you're interrogating the correct / same system? IP conflict or something weird?
  
  – Attie
  yesterday
  
  
  

  
  
  
  

 | 
show 3 more comments

0

I did resizing of my disk partition (/dev/mmcblk0p2), but after the process is done, what i get is the following results:

df -h :

Filesystem      Size  Used Avail Use% Mounted on

/dev/mmcblk0p2  3.1G  3.1G  2.5M 100% /

devtmpfs        360M     0  360M   0% /dev

tmpfs           489M  4.0K  489M   1% /dev/shm

tmpfs           489M   26M  464M   6% /run

tmpfs           5.0M  4.0K  5.0M   1% /run/lock

tmpfs           489M     0  489M   0% /sys/fs/cgroup

/dev/mmcblk0p1   40M   16M   25M  40% /boot

tmpfs            98M     0   98M   0% /run/user/0

tmpfs            98M     0   98M   0% /run/user/1000

and fdisk -l result is :

Disk /dev/mmcblk0: 7.4 GiB, 7948206080 bytes, 15523840 sectors

Units: sectors of 1 * 512 = 512 bytes

Sector size (logical/physical): 512 bytes / 512 bytes

I/O size (minimum/optimal): 512 bytes / 512 bytes

Disklabel type: dos

Disk identifier: 0x00000000



Device         Boot  Start      End  Sectors  Size Id Type

/dev/mmcblk0p1       49152   131071    81920   40M 83 Linux

/dev/mmcblk0p2      131072 15523839 15392768  7.3G 83 Linux

why in df i don't get the full size of /dev/mmcblk0p2 ???

resizing done by the following set of commands

totalSize=`sfdisk -l /dev/mmcblk0 | grep "Disk /dev/mmcblk0" | cut -d ' ' -f 7`;



p2Start=`sfdisk -d /dev/mmcblk0 | grep "/dev/mmcblk0p2" | cut -d ',' -f 1 | cut -d '=' -f 2 | awk '{$1=$1};1'`;



newSize=$((totalSize - p2Start));



sfdisk -d /dev/mmcblk0 > /tmp/DiskLayout;



sed -i -E "s//dev/mmcblk0p2.*size=[ ]*[0-9]+, type=83//dev/mmcblk0p2 : start=       ${p2Start}, size=    ${newSize}, type=83/" /tmp/DiskLayout;



sfdisk /dev/mmcblk0  --no-reread < /tmp/DiskLayout;



reboot



resize2fs /dev/mmcblk0p2



reboot

resize2fs output:

Filesystem at /dev/mmcblk0p2 is mounted on /;

on-line resizing required old_desc_blocks = 1, new_desc_blocks = 1 Performing an on-line resize of /dev/mmcblk0p2 to 1924096 (4k) blocks.

this is a part of a process for preparing sd in mass production, so it must be done dynamically using a split script parts

linux ubuntu partitioning

share|improve this question

edited yesterday

rami khawaly

asked yesterday

rami khawalyrami khawaly

11

New contributor

rami khawaly is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

• 
  
  
  

  
  1
  

  
  
  
  
  
  

  
  
  It looks like it should have worked... are you sure that resize2fs completed without errors? (no harm running it again)
  
  – Attie
  yesterday
  
  
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  No, seems ok. here is the output: Filesystem at /dev/mmcblk0p2 is mounted on /; on-line resizing required old_desc_blocks = 1, new_desc_blocks = 1 Performing an on-line resize of /dev/mmcblk0p2 to 1924096 (4k) blocks.
  
  – rami khawaly
  yesterday
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  1924096 * 4096 = 7.3 GiB... which isn't 3.1 G or ~14.8 G... can you refresh your question with new output from df -h and fdisk -l?
  
  – Attie
  yesterday
  
  
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  just updated the output
  
  – rami khawaly
  yesterday
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Things still don't add up... fdisk and resize2fs now agree, and df is the odd one out... are you sure you're interrogating the correct / same system? IP conflict or something weird?
  
  – Attie
  yesterday
  
  
  

  
  
  
  

 | 
show 3 more comments

I did resizing of my disk partition (/dev/mmcblk0p2), but after the process is done, what i get is the following results:

df -h :

Filesystem      Size  Used Avail Use% Mounted on

/dev/mmcblk0p2  3.1G  3.1G  2.5M 100% /

devtmpfs        360M     0  360M   0% /dev

tmpfs           489M  4.0K  489M   1% /dev/shm

tmpfs           489M   26M  464M   6% /run

tmpfs           5.0M  4.0K  5.0M   1% /run/lock

tmpfs           489M     0  489M   0% /sys/fs/cgroup

/dev/mmcblk0p1   40M   16M   25M  40% /boot

tmpfs            98M     0   98M   0% /run/user/0

tmpfs            98M     0   98M   0% /run/user/1000

and fdisk -l result is :

Disk /dev/mmcblk0: 7.4 GiB, 7948206080 bytes, 15523840 sectors

Units: sectors of 1 * 512 = 512 bytes

Sector size (logical/physical): 512 bytes / 512 bytes

I/O size (minimum/optimal): 512 bytes / 512 bytes

Disklabel type: dos

Disk identifier: 0x00000000



Device         Boot  Start      End  Sectors  Size Id Type

/dev/mmcblk0p1       49152   131071    81920   40M 83 Linux

/dev/mmcblk0p2      131072 15523839 15392768  7.3G 83 Linux

why in df i don't get the full size of /dev/mmcblk0p2 ???

resizing done by the following set of commands

totalSize=`sfdisk -l /dev/mmcblk0 | grep "Disk /dev/mmcblk0" | cut -d ' ' -f 7`;



p2Start=`sfdisk -d /dev/mmcblk0 | grep "/dev/mmcblk0p2" | cut -d ',' -f 1 | cut -d '=' -f 2 | awk '{$1=$1};1'`;



newSize=$((totalSize - p2Start));



sfdisk -d /dev/mmcblk0 > /tmp/DiskLayout;



sed -i -E "s//dev/mmcblk0p2.*size=[ ]*[0-9]+, type=83//dev/mmcblk0p2 : start=       ${p2Start}, size=    ${newSize}, type=83/" /tmp/DiskLayout;



sfdisk /dev/mmcblk0  --no-reread < /tmp/DiskLayout;



reboot



resize2fs /dev/mmcblk0p2



reboot

resize2fs output:

Filesystem at /dev/mmcblk0p2 is mounted on /;

on-line resizing required old_desc_blocks = 1, new_desc_blocks = 1 Performing an on-line resize of /dev/mmcblk0p2 to 1924096 (4k) blocks.

this is a part of a process for preparing sd in mass production, so it must be done dynamically using a split script parts

linux ubuntu partitioning

share|improve this question

edited yesterday

rami khawaly

asked yesterday

rami khawalyrami khawaly

11

New contributor

rami khawaly is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

Filesystem      Size  Used Avail Use% Mounted on

/dev/mmcblk0p2  3.1G  3.1G  2.5M 100% /

devtmpfs        360M     0  360M   0% /dev

tmpfs           489M  4.0K  489M   1% /dev/shm

tmpfs           489M   26M  464M   6% /run

tmpfs           5.0M  4.0K  5.0M   1% /run/lock

tmpfs           489M     0  489M   0% /sys/fs/cgroup

/dev/mmcblk0p1   40M   16M   25M  40% /boot

tmpfs            98M     0   98M   0% /run/user/0

tmpfs            98M     0   98M   0% /run/user/1000

Disk /dev/mmcblk0: 7.4 GiB, 7948206080 bytes, 15523840 sectors

Units: sectors of 1 * 512 = 512 bytes

Sector size (logical/physical): 512 bytes / 512 bytes

I/O size (minimum/optimal): 512 bytes / 512 bytes

Disklabel type: dos

Disk identifier: 0x00000000



Device         Boot  Start      End  Sectors  Size Id Type

/dev/mmcblk0p1       49152   131071    81920   40M 83 Linux

/dev/mmcblk0p2      131072 15523839 15392768  7.3G 83 Linux

totalSize=`sfdisk -l /dev/mmcblk0 | grep "Disk /dev/mmcblk0" | cut -d ' ' -f 7`;



p2Start=`sfdisk -d /dev/mmcblk0 | grep "/dev/mmcblk0p2" | cut -d ',' -f 1 | cut -d '=' -f 2 | awk '{$1=$1};1'`;



newSize=$((totalSize - p2Start));



sfdisk -d /dev/mmcblk0 > /tmp/DiskLayout;



sed -i -E "s//dev/mmcblk0p2.*size=[ ]*[0-9]+, type=83//dev/mmcblk0p2 : start=       ${p2Start}, size=    ${newSize}, type=83/" /tmp/DiskLayout;



sfdisk /dev/mmcblk0  --no-reread < /tmp/DiskLayout;



reboot



resize2fs /dev/mmcblk0p2



reboot

Filesystem at /dev/mmcblk0p2 is mounted on /;

on-line resizing required old_desc_blocks = 1, new_desc_blocks = 1 Performing an on-line resize of /dev/mmcblk0p2 to 1924096 (4k) blocks.

share|improve this question

edited yesterday

rami khawaly

asked yesterday

rami khawalyrami khawaly

11

New contributor

rami khawaly is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

share|improve this question

edited yesterday

rami khawaly

asked yesterday

rami khawalyrami khawaly

11

New contributor

rami khawaly is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

asked yesterday

rami khawalyrami khawaly

11

New contributor

rami khawaly is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

asked yesterday

rami khawalyrami khawaly

11