My Oracle Support Banner

Live Upgrade from SVM+UFS to ZFS Using LU Might Panic on Reboot (Doc ID 1446138.1)

Last updated on OCTOBER 03, 2016

Applies to:

Solaris Operating System - Version 10 10/08 U6 to 10 1/13 U11 [Release 10.0]
Information in this document applies to any platform.


Run the lucreate command to migrate from a ufs on SVM to zfs root.

# lucreate -n zfsBE -p rpool

The rpool was created previously and available.

# luactivate zfsBE
# init 6

Reboot fails and panics:


SPARC Enterprise T5120, No Keyboard
Copyright (c) 1998, 2010, Oracle and/or its affiliates. All rights reserved.
OpenBoot 4.30.8.a, 16256 MB memory available, Serial #94804128.
Ethernet address 0:21:28:a6:98:a0, Host ID: 85a698a0.

Boot device: disk2:a File and args:
SunOS Release 5.10 Version Generic_147440-01 64-bit
Copyright (c) 1983, 2011, Oracle and/or its affiliates. All rights reserved.
Mounting root on rpool/ROOT/zfsBE with filesystem type zfs is not supported

panic[cpu0]/thread=180e000: vfs_mountroot: cannot remount root

000000000180b950 genunix:vfs_mountroot+398 (60021520000, 1948b58, 196cac0, 1990c00, 1999400, 1943700)
%l0-3: 0000060021520000 00000000012a4400 0000000001943198 0000060021520000
%l4-7: 000000000196cac0 0000000000002420 0000000000000420 0000000000002000
000000000180ba10 genunix:main+104 (1990400, 180c000, 18a6840, 10b9400, 0, 18a8558)
%l0-3: 0000000000000001 0000000070002000 0000000070002000 0000000000000000
%l4-7: 00000000018ef000 0000000000000000 000000000183f800 000000000183fac0

syncing file systems... done
skipping system dump - no dump device configured


To view full details, sign in with your My Oracle Support account.

Don't have a My Oracle Support account? Click to get started!

My Oracle Support provides customers with access to over a million knowledge articles and a vibrant support community of peers and Oracle experts.