Troubleshooting
Problem
Upgrade VIOS using HMC :HMC currently provides options for the user to create a new VIOS, install and update VIOS. HMC 10.3.1050.0 introduces an enhancement to upgrade existing system’s VIOS using HMC interface. VIOS install images can be imported from remote NFS/SFTP server or attached USB device and used for upgrade.
During the viosupgrade ,it will fail with error "Unable to mount ISO file:" (Refer below screenshot)":-
Environment
HMC : 10.3.1050.0 and above
PowerVM VIOS : 3.1.4.21 and below
Diagnosing The Problem
On PowerVM VIOS you should see below error under the file "/var/adm/ras/ioslogs/viosupg_global.log"
15073758 0 Fri Jan 12 08:45:09 2024 main::validate_cmd_data 4400 >>>> Exiting validate_cmd_data with rc: 0 <<<<
15073758 0 Fri Jan 12 08:45:09 2024 main::main 7300 Welcome to viosupgrade tool.
15073758 0 Fri Jan 12 08:45:09 2024 main::create_mksysb_from_iso 1755 **** Entering create_mksysb_from_iso ****
15073758 0 Fri Jan 12 08:45:09 2024 main::create_mksysb_from_iso 1799 /home/padmin/myNewIosMksysbImageDir/viosupg/ directory doesn't exist, creating it..
15073758 0 Fri Jan 12 08:45:09 2024 main::create_mksysb_from_iso 1811 Created /home/padmin/myNewIosMksysbImageDir/viosupg/ directory successfully
15073758 0 Fri Jan 12 08:45:09 2024 main::create_mksysb_from_iso 1827 Created "/mnt_dvd_viosupg" directory successfully.
15073758 0 Fri Jan 12 08:45:12 2024 main::create_mksysb_from_iso 1856 Unable to mount ISO file: '/home/padmin/dvdimage.v1.iso'.
15073758 0 Fri Jan 12 08:45:12 2024 main::create_mksysb_from_iso 2070 >>>> Exiting create_mksysb_from_iso with rc:1 <<<<
15073758 0 Fri Jan 12 08:45:12 2024 main::main 7396 >>>> Exiting main with rc= 1 <<<<
Resolving The Problem
Basically this is a known issue with any VIOS versions 3.1.4.21 or below , which is addressed with APAR IJ47052 VIOSUPGRADE TO 4.1.X FROM HMC USING FLASH ISO FAILS WITH MOUNT ERROR
This issue can be overcome with 2 approaches.
1) Update your vios to 3.1.4.31 either using updateios directly on the vios or update vios using HMC.
2) Reach out IBM PowerVM VIOS Support to get an ifix for APAR IJ47052 to overcome this .
SUPPORT
If more assistance is required following all of the instructions provided in this document, contact IBM to open a case for software under warranty or with an active and valid support contract.
If more assistance is required following all of the instructions provided in this document, contact IBM to open a case for software under warranty or with an active and valid support contract.
Related Information
Document Location
Worldwide
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Document Information
Modified date:
22 February 2024
UID
ibm16493291