Oracle ZFS Storage Appliance: After Reboot/Power Outage, system is stuck at 'GRUB Loading Stage2' (Error message: krtld: error during initial load/link phase)

Asset ID:	1-72-2020880.1
Update Date:	2018-05-01
Keywords:

Solution Type Problem Resolution Sure

Solution 2020880.1 : Oracle ZFS Storage Appliance: After Reboot/Power Outage, system is stuck at 'GRUB Loading Stage2' (Error message: krtld: error during initial load/link phase)

Applies to:

Sun ZFS Storage 7320 - Version All Versions to All Versions [Release All Releases]
Sun ZFS Storage 7120 - Version All Versions to All Versions [Release All Releases]
Sun Storage 7310 Unified Storage System - Version All Versions to All Versions [Release All Releases]
Oracle ZFS Storage ZS3-4 - Version All Versions to All Versions [Release All Releases]
Sun Storage 7410 Unified Storage System - Version All Versions to All Versions [Release All Releases]
7000 Appliance OS (Fishworks)

Symptoms

On a reboot, after a power outage or planned maintenance, the NAS system is stuck on GRUB Loading stage2.

Trying an alternate boot disk leads to the same message, as follows:-

Press enter and the following message appears.

krtld: error during initial load/link phase

krtld could neither locate nor resolve symbols for:
/platform/i86pc/kernel/amd64/unix
in the boot archive. Please verify that this file
matches what is found in the boot archive.
You may need to boot using the Solaris failsafe to fix this.
Unable to boot
Press any key to reboot.

NOTE: If you do not see the error message - krtld: error during initial load/link phase, this document does not apply. Then see Doc ID 1381058.1 - Sun Storage 7000 Unified Storage System: Last Message On The Screen Is "Loading Grub Stage 2 ......"

Cause

Uncertain - the system was shutdown and after the reboot the issue was seen.

Solution

Roll back to a previous version and then upgrade again to the current/required version.

If there are no old versions or there are no bootable versions, you will need to engage Oracle Support, to perform a re-installation of the system.

Checked for relevancy - 01-May-2018

References

<NOTE:1958039.1> - Oracle ZFS Storage Appliance: Remote Replication Compatibility
<NOTE:2002172.1> - Oracle ZFS Storage Appliance: How to Recover a System that will not Boot and Stops at the GRUB Prompt

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