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Solaris Volume Manager (SVM): Host may panic with BAD TRAP type 31 when deleting a soft partition with metaclear (Doc ID 1377086.1)

Last updated on JANUARY 20, 2022

Applies to:

Sun Solaris Volume Manager (SVM) - Version 11.9.0 to 11.10.0 [Release 11.0]
Solstice DiskSuite Software - Version 4.2.1 to 4.2.1 [Release 4.0]
Oracle Solaris on SPARC (64-bit)
Oracle Solaris on x86-64 (64-bit)

Symptoms

It is possible for a system to panic when trying to remove a Solaris Volume Manager (SVM) soft partition.

If a soft partition built from a one-way mirror is in a "Needs maintenance" state and the physical disk is inaccessible, the system may panic.

The panic string below is a result of running metaclear to remove a soft partition configured on a disk that had been removed from the system:

 

Changes

This appears to happen only if the disk fails completely, or is physically removed, and then the server is rebooted, and then  metaclear is run.  A reboot seems to be required for the panic to occur.

Cause

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