立你斯學習記錄

遇到用yocto gpt硬像檔燒好的SD, rootfs 沒有填滿整個SD卡剩餘空間

./flash_tool.sh -c rk3399 -p system -i build_ex_dir/tmp/deploy/images/excavator-rk3399/core-image-base-excavator-rk3399-gpt.img -d /dev/sdc

查看SD卡分割區有無問題

查看分割區資訊

root@test-desktop:/home/share/rk3399/rk-yocto-bsp# blkid

…….
/dev/sdc4: SEC_TYPE="msdos" LABEL="boot" UUID="F8D3-AFE9" TYPE="vfat" PARTLABEL="boot" PARTUUID="dd920453-fe2f-4a7f-8e77-2fe7cd65942c"

/dev/sdc1: PARTLABEL="loader1" PARTUUID="698c4695-e00a-4f19-95c8-7148dc1edf72"

/dev/sdc2: PARTLABEL="loader2" PARTUUID="b6aa79aa-f8a9-4c43-ae74-e848ef2d7afd"

/dev/sdc3: PARTLABEL="trust" PARTUUID="a38ed6c3-779e-4728-998d-ba682d65beae"

/dev/sdc5: UUID="6aeb3ae7-6918-4a3e-befc-8d0e643631aa" TYPE="ext4" PARTLABEL="rootfs" PARTUUID="b921b045-1df0-41c3-af44-4c6f280d3fae"

因為不明原因 rootfs 只有 68M 所以要更換rootfs 可能會空間不夠

且發現 GPT PMBR size mismatch 錯誤 故先修正錯誤再更改空間

root@test-desktop:/home/share/rk3399/rk-yocto-bsp# fdisk /dev/sdc              

Welcome to fdisk (util-linux 2.27.1).                                          

Changes will remain in memory only, until you decide to write them.           

Be careful before using the write command.                                    

GPT PMBR size mismatch (395263 != 61521919) will be corrected by w(rite).     

GPT PMBR size mismatch (395263 != 61521919) will be corrected by w(rite).     

root@test-desktop:/home/share/rk3399/rk-yocto-bsp# parted -l                   

Model: ATA WDC WD10EZEX-00B (scsi)                                            

Disk /dev/sda: 1000GB                                                         

Sector size (logical/physical): 512B/4096B                                    

Partition Table: msdos                                                        

Disk Flags:                                                                    

Number  Start   End     Size    Type      File system     Flags               

 1      32.3kB  107MB   107MB   primary   ext3            boot                

……………………..                                                                              

Warning: Not all of the space available to /dev/sdc appears to be used, you can

fix the GPT to use all of the space (an extra 61126656 blocks) or continue with

the current setting?                                                          

Fix/Ignore? Fix                                                               

Model: Generic STORAGE DEVICE (scsi)                                           

Disk /dev/sdc: 31.5GB                                                         

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

Partition Table: gpt                                                          

Disk Flags:                                                                   

Number  Start   End     Size    File system  Name     Flags                   

 1      32.8kB  4129kB  4096kB               loader1                          

 2      8389kB  12.6MB  4194kB               loader2                          

 3      12.6MB  16.8MB  4194kB               trust                            

 4      16.8MB  134MB   117MB   fat16        boot     boot, esp               

 5      134MB   202MB   68.1MB  ext4         rootfs                           

Model:  (file)                                                                

Disk /dev/sdd: 202MB                                                          

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

Partition Table: gpt                                                          

Disk Flags:                                                                   

Number  Start   End     Size    File system  Name     Flags                   

 1      32.8kB  4129kB  4096kB               loader1                          

 2      8389kB  12.6MB  4194kB               loader2                          

 3      12.6MB  16.8MB  4194kB               trust                            

 4      16.8MB  134MB   117MB   fat16        boot     boot, esp               

 5      134MB   202MB   68.1MB  ext4         rootfs                           

root@test-desktop:/home/share/rk3399/rk-yocto-bsp#     

root@test-desktop:/media/test# parted -s /dev/sdc resizepart 5 '100%'

root@test-desktop:/media/test# e2fsck -f /dev/sdc5

e2fsck 1.42.13 (17-May-2015)

Pass 1: Checking inodes, blocks, and sizes

Pass 2: Checking directory structure

Pass 3: Checking directory connectivity

Pass 4: Checking reference counts

Pass 5: Checking group summary information

/dev/sdc5: 1928/16384 files (0.9% non-contiguous), 45301/65536 blocks

root@test-desktop:/media/test# resize2fs /dev/sdc5

resize2fs 1.42.13 (17-May-2015)

Resizing the filesystem on /dev/sdc5 to 30629868 (1k) blocks.

The filesystem on /dev/sdc5 is now 30629868 (1k) blocks long.