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Status Future consideration
Workspace z/OS
Categories DFSMS HSM
Created by Guest
Created on Nov 4, 2020

RELATED IDEAS

Filemode HSM - allow user to switch to su when issuing hbackup commands

it appears that if I am a user who can go into su (superuser) and then issue the hbackup command it doesn't honor or check the requestors ability to go to “su” (Facility class BPX.SUPERUSER).

So…unless I have full access to all the files I want to back up my only other choice is to have a true UID(0) user submit the requests. This is a bit counter to our goal of having as few UID(0) users as possible.

Is there any plan to check if users can switch to UID(0)?

If I give myself access to UNIXPRIV SUPERUSER.FILESYS with ALTER I am then able to backup anything.

Without I get stuff like below even with access to BPX.SUPERUSER.
20308 16:28:06 ARC1339I ERROR PROCESSING RACF PROTECTED DATA SET/FILE, BACKUP T
ERMINATED
20308 16:28:06 ARC1449I UNIX SYSCALL ERROR FOR PATHNAME /XCSF/etc/encryptionfac
ility.pax IN SERVICE BPX1ACC, RETVAL=-0000001 RETCODE=00000111 RSNCODE=EF076015
20308 16:28:06 ARC1451I INSUFFICIENT AUTHORITY ACCESS INTENT(R) AGAINST FILE WI
TH UID(00010334) GID(00000515) MODE(640)
20308 16:28:06 ARC1001I /XCSF/etc/encryptionfacility.pax BACKDS FAILED, RC=003
9, REAS=0008
20308 16:28:06 ARC1339I ERROR PROCESSING RACF PROTECTED DATA SET/FILE, BACKUP T
ERMINATED
20308 16:28:07 ARC1001I /XCSF/etc/ BACKDS FAILED, RC=0056, REAS=0070
20308 16:28:07 ARC1356I BACKUP FAILED FOR DATA SET/FILE
20308 16:28:07 ARC0575I Processing completed for /XCSF/etc/

Idea priority High
  • Guest
    Reply
    |     Dec 4, 2020

    As Michael earlier commented, our recommendation is to use the -o option to issue the command as an authorized storage administrator (which will be verified). The -o option is more efficient than super user because HSM storage administrator commands bypass authorization checking. With super user authority, authorization checking is still done against each file.

  • Guest
    Reply
    |     Nov 5, 2020

    Hi,

    I am a user from Germany.
    You have to use hbackup -o to Switch to Operator Mode.
    e.g. hbackup -oXvct Tape /u/michael/

    Best wishes

    Michael

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