[ABAP] Export to memory / Import from memory

Exporting:

DATA: l_p0001  TYPE p0001,
      l_return TYPE bapireturn1.

"...

DATA(l_guid) = cl_system_uuid=>create_uuid_c32_static( ).       
 
EXPORT p0001 = l_p0001 TO MEMORY ID l_guid.
SUBMIT z_hr_report WITH p_guid = l_guid AND RETURN.
IMPORT return = l_return FROM MEMORY ID l_guid.

Importing:

REPORT z_hr_report.

PARAMETERS p_guid TYPE sysuuid_c32.

DATA: l_p0001  TYPE p0001,
      l_return TYPE bapireturn1.

START-OF-SELECTION.

IMPORT p0001 = l_p0001 FROM MEMORY ID p_guid.
CHECK sy-subrc = 0.

"do stuff...
CALL FUNCTION 'BAPI_EMPLOYEE_ENQUEUE'
  EXPORTING
    number = l_p0001-pernr
  IMPORTING
    return = l_return.

IF l_return-type = 'E'.
  EXPORT return = l_return TO MEMORY ID p_guid.
  RETURN.
ENDIF.

[ZFS] import pool: “cannot mount ‘/’: directory is not empty”

$ sudo zpool list
NAME             SIZE  ALLOC   FREE  CKPOINT  EXPANDSZ   FRAG    CAP  DEDUP    HEALTH  ALTROOT
data            10,9T  10,3T   577G        -         -    46%    94%  1.00x    ONLINE  -
externalBackup  5,44T  4,19T  1,25T        -         -     0%    77%  1.00x    ONLINE  -
rpool            111G  27,4G  83,6G        -         -    40%    24%  1.00x    ONLINE  -

$ sudo zpool import externalBackup
cannot mount '/': directory is not empty

$ sudo zfs set mountpoint=/externalBackup externalBackup

$ sudo zfs get mountpoint externalBackup
NAME            PROPERTY    VALUE                SOURCE
externalBackup  mountpoint  /externalBackup  local

$ sudo zfs get mounted externalBackup
NAME            PROPERTY  VALUE    SOURCE
externalBackup  mounted   no       -

$ sudo zfs mount externalBackup

$ sudo zfs get mounted externalBackup
NAME            PROPERTY  VALUE    SOURCE
externalBackup  mounted   yes      -