メモ書き程度に
ec2-user@ip-172-31-37-115 ~ % df -h
Filesystem      Size   Used  Avail Capacity iused     ifree %iused  Mounted on
/dev/disk2s5    30Gi   10Gi   11Gi    49%  488248 312036152    0%   /
devfs          186Ki  186Ki    0Bi   100%     642         0  100%   /dev
/dev/disk2s1    30Gi  6.0Gi   11Gi    36%  157508 312366892    0%   /System/Volumes/Data
/dev/disk2s4    30Gi  2.0Gi   11Gi    16%       1 312524399    0%   /private/var/vm
map auto_home    0Bi    0Bi    0Bi   100%       0         0  100%   /System/Volumes/Data/home

ec2-user@ip-172-31-37-115 ~ % sudo su
sh-3.2# diskutil list
/dev/disk0 (internal, physical):
   #:                       TYPE NAME                    SIZE       IDENTIFIER
   0:      GUID_partition_scheme                        *121.3 GB   disk0

/dev/disk1 (external, physical):
   #:                       TYPE NAME                    SIZE       IDENTIFIER
   0:      GUID_partition_scheme                        *137.4 GB   disk1
   1:                        EFI EFI                     209.7 MB   disk1s1
   2:                 Apple_APFS Container disk2         32.0 GB    disk1s2

/dev/disk2 (synthesized):
   #:                       TYPE NAME                    SIZE       IDENTIFIER
   0:      APFS Container Scheme -                      +32.0 GB    disk2
                                 Physical Store disk1s2
   1:                APFS Volume Macintosh HD - Data     6.5 GB     disk2s1
   2:                APFS Volume Preboot                 80.0 MB    disk2s2
   3:                APFS Volume Recovery                529.0 MB   disk2s3
   4:                APFS Volume VM                      2.1 GB     disk2s4
   5:                APFS Volume Macintosh HD            11.0 GB    disk2s5

sh-3.2# diskutil repairdisk /dev/disk1
Repairing the partition map might erase disk1s1, proceed? (y/N) y
Started partition map repair on disk1
Checking prerequisites
Checking the partition list
Adjusting partition map to fit whole disk as required
Checking for an EFI system partition
Checking the EFI system partition's size
Checking the EFI system partition's file system
Checking the EFI system partition's folder content
Checking all HFS data partition loader spaces
Checking booter partitions
Reviewing boot support loaders
Checking Core Storage Physical Volume partitions
The partition map appears to be OK
Finished partition map repair on disk1
sh-3.2# diskutil list
/dev/disk0 (internal, physical):
   #:                       TYPE NAME                    SIZE       IDENTIFIER
   0:      GUID_partition_scheme                        *121.3 GB   disk0

/dev/disk1 (external, physical):
   #:                       TYPE NAME                    SIZE       IDENTIFIER
   0:      GUID_partition_scheme                        *137.4 GB   disk1
   1:                        EFI EFI                     209.7 MB   disk1s1
   2:                 Apple_APFS Container disk2         32.0 GB    disk1s2

/dev/disk2 (synthesized):
   #:                       TYPE NAME                    SIZE       IDENTIFIER
   0:      APFS Container Scheme -                      +32.0 GB    disk2
                                 Physical Store disk1s2
   1:                APFS Volume Macintosh HD - Data     6.5 GB     disk2s1
   2:                APFS Volume Preboot                 80.0 MB    disk2s2
   3:                APFS Volume Recovery                529.0 MB   disk2s3
   4:                APFS Volume VM                      2.1 GB     disk2s4
   5:                APFS Volume Macintosh HD            11.0 GB    disk2s5

sh-3.2# diskutil apfs resizeContainer /dev/disk1s2 0
Started APFS operation
Aligning grow delta to 105,226,698,752 bytes and targeting a new physical store size of 137,229,197,312 bytes
Determined the maximum size for the targeted physical store of this APFS Container to be 137,228,169,216 bytes
Resizing APFS Container designated by APFS Container Reference disk2
The specific APFS Physical Store being resized is disk1s2
Verifying storage system
Using live mode
Performing fsck_apfs -n -x -l -S /dev/disk1s2
Checking the container superblock
Checking the EFI jumpstart record
Checking the space manager
Checking the space manager free queue trees
Checking the object map
Checking volume
Checking the APFS volume superblock
The volume Macintosh HD - Data was formatted by newfs_apfs (1412.141.1) and last modified by apfs_kext (1412.141.1)
Checking the object map
Checking the snapshot metadata tree
Checking the snapshot metadata
Checking the extent ref tree
Checking the fsroot tree
Checking volume
Checking the APFS volume superblock
The volume Preboot was formatted by diskmanagementd (1412.141.1) and last modified by apfs_kext (1412.141.1)
Checking the object map
Checking the snapshot metadata tree
Checking the snapshot metadata
Checking the extent ref tree
Checking the fsroot tree
Checking volume
Checking the APFS volume superblock
The volume Recovery was formatted by diskmanagementd (1412.141.1) and last modified by apfs_kext (1412.141.1)
Checking the object map
Checking the snapshot metadata tree
Checking the snapshot metadata
Checking the extent ref tree
Checking the fsroot tree
Checking volume
Checking the APFS volume superblock
The volume VM was formatted by diskmanagementd (1412.141.1) and last modified by apfs_kext (1412.141.1)
Checking the object map
Checking the snapshot metadata tree
Checking the snapshot metadata
Checking the extent ref tree
Checking the fsroot tree
Checking volume
Checking the APFS volume superblock
The volume Macintosh HD was formatted by diskmanagementd (1412.141.1) and last modified by apfs_kext (1412.141.1)
Checking the object map
Checking the snapshot metadata tree
Checking the snapshot metadata
Checking the extent ref tree
Checking the fsroot tree
Verifying allocated space
The volume /dev/disk1s2 appears to be OK
Storage system check exit code is 0
Growing APFS Physical Store disk1s2 from 32,002,498,560 to 137,229,197,312 bytes
Modifying partition map
Growing APFS data structures
Finished APFS operation
sh-3.2# diskutil list
/dev/disk0 (internal, physical):
   #:                       TYPE NAME                    SIZE       IDENTIFIER
   0:      GUID_partition_scheme                        *121.3 GB   disk0

/dev/disk1 (external, physical):
   #:                       TYPE NAME                    SIZE       IDENTIFIER
   0:      GUID_partition_scheme                        *137.4 GB   disk1
   1:                        EFI EFI                     209.7 MB   disk1s1
   2:                 Apple_APFS Container disk2         137.2 GB   disk1s2

/dev/disk2 (synthesized):
   #:                       TYPE NAME                    SIZE       IDENTIFIER
   0:      APFS Container Scheme -                      +137.2 GB   disk2
                                 Physical Store disk1s2
   1:                APFS Volume Macintosh HD - Data     6.5 GB     disk2s1
   2:                APFS Volume Preboot                 80.0 MB    disk2s2
   3:                APFS Volume Recovery                529.0 MB   disk2s3
   4:                APFS Volume VM                      2.1 GB     disk2s4
   5:                APFS Volume Macintosh HD            11.0 GB    disk2s5

sh-3.2# df -h
Filesystem      Size   Used  Avail Capacity iused      ifree %iused  Mounted on
/dev/disk2s5   128Gi   10Gi  109Gi     9%  488248 1339640632    0%   /
devfs          186Ki  186Ki    0Bi   100%     644          0  100%   /dev
/dev/disk2s1   128Gi  6.0Gi  109Gi     6%  157713 1339971167    0%   /System/Volumes/Data
/dev/disk2s4   128Gi  2.0Gi  109Gi     2%       1 1340128879    0%   /private/var/vm
map auto_home    0Bi    0Bi    0Bi   100%       0          0  100%   /System/Volumes/Data/home