It's ZFS file. 

-----Original Message-----
From: IBM Mainframe Discussion List <[email protected]> On Behalf Of 
Pommier, Rex
Sent: Wednesday, June 11, 2025 9:08 PM
To: [email protected]
Subject: Re: BPXF029E ROOT FILE SYSTEM

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----------------------------------------------------------------------------------------------------------------

A new root filesystem (defined as a ZFS) should have been built as part of the 
3.1 install.  You need to go back to the install and see what was created.

-----Original Message-----
From: IBM Mainframe Discussion List <[email protected]> On Behalf Of 
Farley, Peter
Sent: Wednesday, June 11, 2025 10:23 AM
To: [email protected]
Subject: [EXTERNAL] Re: BPXF029E ROOT FILE SYSTEM

Looks pretty plain to me – your ROOT file system is still HFS and not ZFS:

OMVS BPXF287I HFS file system no longer supported

How to fix that is beyond my skill set.

Peter

From: IBM Mainframe Discussion List <[email protected]> On Behalf Of 
Manoj Bandi
Sent: Wednesday, June 11, 2025 11:17 AM
To: [email protected]
Subject: BPXF029E ROOT FILE SYSTEM


Hi Team,



Today, am going to upgrade the z/OS 3.1 in one LPAR. I got the below issue. Any 
help on this ?



ROOT not mounted:



05.15.18 SSAT *BPXF029E ROOT FILE SYSTEM OMVS.SSAT.R31.ROOT

*WAS NOT MOUNTED. RETURN CODE = 00000081, REASON CODE = EF096055





As per my research in the log i found below msg:



"OMVS IEF196I IAR065I JOB IS NOT ELIGIBLE FOR DEDICATED MEMORY"



OMVS IEF403I OMVS - STARTED - TIME=05.14.53

OMVS IEF196I IAR065I JOB IS NOT ELIGIBLE FOR DEDICATED MEMORY.

OMVS IEF196I IEFA111I OMVS IS USING THE FOLLOWING JOB RELATED SETTINGS:

OMVS IEF196I SWA=BELOW,TIOT SIZE=64K,DSENQSHR=DISALLOW,GDGBIAS=JOB

OMVS IEE252I MEMBER CTIBPX00 FOUND IN SYS1.IBM.PARMLIB

OMVS IEF196I IEF285I SYSTEM.PARMLIB KEPT

OMVS IEF196I IEF285I VOL SER NOS= ZSSTR1.

OMVS IEF196I IEF285I CPAC.PARMLIB KEPT

OMVS IEF196I IEF285I VOL SER NOS= R31RES.

OMVS IEF196I IEF285I SYS1.PARMLIB KEPT

OMVS IEF196I IEF285I VOL SER NOS= R31RES.

OMVS IEF196I IEF285I SYS1.IBM.PARMLIB KEPT

OMVS IEF196I IEF285I VOL SER NOS= R31RES.

OMVS BPXF287I HFS file system no longer supported

OMVS BPXTF012I GLOBAL SETTINGS: fsfull(99,5) ea 0 em 0

OMVS BPXF029E ROOT FILE SYSTEM OMVS.SSAT.R31.ROOT

OMVS WAS NOT MOUNTED. RETURN CODE = 00000081, REASON CODE = EF096055



Thanks

Manoj

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