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    List, Create, Delete, and Modify Physical Storage Partitions

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    • DerMeldosD
      DerMeldos
      last edited by

      Basic Guide to List, Create, Delete, and Modify Physical Storage Partitions.
      ForumPost: Live resize root partition

      show Partitions:

      lsblk
      

      Example Output:

      root@PVE0302:~# lsblk
      NAME      MAJ:MIN RM   SIZE RO TYPE MOUNTPOINTS
      sda         8:0    0   1.7T  0 disk 
      ├─sda1      8:1    0   1.7T  0 part 
      └─sda9      8:9    0     8M  0 part 
      sdb         8:16   0   1.7T  0 disk 
      ├─sdb1      8:17   0   1.7T  0 part 
      └─sdb9      8:25   0     8M  0 part 
      sdc         8:32   0   1.7T  0 disk 
      ├─sdc1      8:33   0   1.7T  0 part 
      └─sdc9      8:41   0     8M  0 part 
      sdd         8:48   0   1.7T  0 disk 
      ├─sdd1      8:49   0   1.7T  0 part 
      └─sdd9      8:57   0     8M  0 part 
      sde         8:64   0 111.8G  0 disk 
      ├─sde1      8:65   0  1007K  0 part 
      ├─sde2      8:66   0   512M  0 part 
      └─sde3      8:67   0 110.5G  0 part 
      sdf         8:80   0   9.1T  0 disk 
      ├─sdf1      8:81   0     2G  0 part 
      └─sdf2      8:82   0   9.1T  0 part 
      sdg         8:96   0   9.1T  0 disk 
      ├─sdg1      8:97   0     2G  0 part 
      └─sdg2      8:98   0   9.1T  0 part 
      sdh         8:112  0 111.8G  0 disk 
      ├─sdh1      8:113  0  1007K  0 part 
      ├─sdh2      8:114  0   512M  0 part 
      └─sdh3      8:115  0 110.5G  0 part 
      zd0       230:0    0   128G  0 disk 
      ├─zd0p1   230:1    0   127G  0 part 
      ├─zd0p2   230:2    0     1K  0 part 
      └─zd0p5   230:5    0   975M  0 part 
      zd16      230:16   0     4M  0 disk 
      zd32      230:32   0    48G  0 disk 
      ├─zd32p1  230:33   0    47G  0 part 
      ├─zd32p2  230:34   0     1K  0 part 
      └─zd32p5  230:37   0   975M  0 part 
      zd48      230:48   0   4.5G  0 disk 
      zd64      230:64   0    32G  0 disk 
      ├─zd64p1  230:65   0    31G  0 part 
      ├─zd64p2  230:66   0     1K  0 part 
      └─zd64p5  230:69   0   975M  0 part 
      zd80      230:80   0    64G  0 disk 
      ├─zd80p1  230:81   0    63G  0 part 
      ├─zd80p2  230:82   0     1K  0 part 
      └─zd80p5  230:85   0   975M  0 part 
      zd96      230:96   0    32G  0 disk 
      ├─zd96p1  230:97   0    31G  0 part 
      ├─zd96p2  230:98   0     1K  0 part 
      └─zd96p5  230:101  0   975M  0 part 
      zd112     230:112  0    32G  0 disk 
      ├─zd112p1 230:113  0    31G  0 part 
      ├─zd112p2 230:114  0     1K  0 part 
      └─zd112p5 230:117  0   975M  0 part 
      zd128     230:128  0    32G  0 disk 
      ├─zd128p1 230:129  0    31G  0 part 
      ├─zd128p2 230:130  0     1K  0 part 
      └─zd128p5 230:133  0   975M  0 part 
      zd144     230:144  0    32G  0 disk 
      ├─zd144p1 230:145  0    31G  0 part 
      ├─zd144p2 230:146  0     1K  0 part 
      └─zd144p5 230:149  0   975M  0 part 
      zd160     230:160  0    32G  0 disk 
      ├─zd160p1 230:161  0    31G  0 part 
      ├─zd160p2 230:162  0     1K  0 part 
      └─zd160p5 230:165  0   975M  0 part 
      zd176     230:176  0   4.5G  0 disk 
      zd192     230:192  0   4.5G  0 disk 
      zd208     230:208  0   4.5G  0 disk 
      zd224     230:224  0    32G  0 disk 
      ├─zd224p1 230:225  0    31G  0 part 
      ├─zd224p2 230:226  0     1K  0 part 
      └─zd224p5 230:229  0   975M  0 part 
      zd256     230:256  0   150G  0 disk 
      ├─zd256p1 230:257  0   100M  0 part 
      ├─zd256p2 230:258  0    16M  0 part 
      ├─zd256p3 230:259  0 149.4G  0 part 
      └─zd256p4 230:260  0   524M  0 part 
      zd272     230:272  0    96G  0 disk 
      ├─zd272p1 230:273  0     1M  0 part 
      ├─zd272p2 230:274  0     2G  0 part 
      └─zd272p3 230:275  0    94G  0 part 
      zd288     230:288  0   4.5G  0 disk 
      zd352     230:352  0    64G  0 disk 
      ├─zd352p1 230:353  0     1M  0 part 
      ├─zd352p2 230:354  0     1G  0 part 
      └─zd352p3 230:355  0    63G  0 part 
      zd368     230:368  0   4.5G  0 disk 
      zd384     230:384  0    32G  0 disk 
      ├─zd384p1 230:385  0    31G  0 part 
      ├─zd384p2 230:386  0     1K  0 part 
      └─zd384p5 230:389  0   975M  0 part 
      zd432     230:432  0    32G  0 disk 
      ├─zd432p1 230:433  0    31G  0 part 
      ├─zd432p2 230:434  0     1K  0 part 
      └─zd432p5 230:437  0   975M  0 part 
      zd448     230:448  0    32G  0 disk 
      ├─zd448p1 230:449  0    31G  0 part 
      ├─zd448p2 230:450  0     1K  0 part 
      └─zd448p5 230:453  0   975M  0 part 
      zd480     230:480  0    32G  0 disk 
      ├─zd480p1 230:481  0     1M  0 part 
      ├─zd480p2 230:482  0   512M  0 part 
      └─zd480p3 230:483  0  31.5G  0 part 
      zd496     230:496  0    32G  0 disk 
      ├─zd496p1 230:497  0    31G  0 part 
      ├─zd496p2 230:498  0     1K  0 part 
      └─zd496p5 230:501  0   975M  0 part 
      zd528     230:528  0   4.5G  0 disk 
      zd544     230:544  0    50G  0 disk 
      ├─zd544p1 230:545  0    49G  0 part 
      ├─zd544p2 230:546  0     1K  0 part 
      └─zd544p5 230:549  0   975M  0 part 
      zd560     230:560  0    32G  0 disk 
      ├─zd560p1 230:561  0    31G  0 part 
      ├─zd560p2 230:562  0     1K  0 part 
      └─zd560p5 230:565  0   975M  0 part 
      zd576     230:576  0    32G  0 disk 
      ├─zd576p1 230:577  0    31G  0 part 
      ├─zd576p2 230:578  0     1K  0 part 
      └─zd576p5 230:581  0   975M  0 part 
      zd624     230:624  0    32G  0 disk 
      ├─zd624p1 230:625  0    31G  0 part 
      ├─zd624p2 230:626  0     1K  0 part 
      └─zd624p5 230:629  0   975M  0 part 
      zd656     230:656  0    96G  0 disk 
      └─zd656p1 230:657  0    96G  0 part 
      zd672     230:672  0    32G  0 disk 
      ├─zd672p1 230:673  0    31G  0 part 
      ├─zd672p2 230:674  0     1K  0 part 
      └─zd672p5 230:677  0   975M  0 part 
      zd688     230:688  0    32G  0 disk 
      ├─zd688p1 230:689  0    31G  0 part 
      ├─zd688p2 230:690  0     1K  0 part 
      └─zd688p5 230:693  0   975M  0 part 
      zd704     230:704  0    64G  0 disk 
      ├─zd704p1 230:705  0     1M  0 part 
      ├─zd704p2 230:706  0     2G  0 part 
      └─zd704p3 230:707  0    62G  0 part 
      zd720     230:720  0     1M  0 disk 
      

      Disks and partitions are located in /dev

      root@PVE0302:~# ls /dev/sda
      /dev/sda
      root@PVE0302:~# ls /dev/sda1
      /dev/sda1
      

      using fdisk to show a list of partitions on a blockdevices:

      root@PVE0302:~# fdisk --list /dev/sda
      Disk /dev/sda: 1.75 TiB, 1920383410176 bytes, 3750748848 sectors
      Disk model: SAMSUNG MZ7LM1T9
      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: gpt
      Disk identifier: CDD5A644-2E76-A940-95C4-8B57C5ACCCD5
      
      Device          Start        End    Sectors  Size Type
      /dev/sda1        2048 3750731775 3750729728  1.7T Solaris /usr & Apple ZFS
      /dev/sda9  3750731776 3750748159      16384    8M Solaris reserved 1
      

      Start Modifying a drive:
      we are going to use the cfdisk utility for this since it is a bit easier and user-friendly.

      cfdisk /dev/sdb
      

      To create a new Partition highlight the "Free space" and select "New" at the bottom
      29a62d5c-60db-465f-94a3-a41a973eea1a-image.png
      you can now enter the desired space for the partition.

      In this View, you can delete a partition by highlighting it and selecting the "Delete" button.

      If you made any changes select "Write" to save them to the disk.
      46c6a5a8-a3ad-4cdf-898f-55d5f465e495-image.png

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