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ASM Device Minor Numbers Changed After Rebooting. (Doc ID 2500377.1)

Last updated on FEBRUARY 29, 2024

Applies to:

Solaris Operating System - Version 10 to 11.4 [Release 10.0 to 11.0]
Information in this document applies to any platform.


There are several SRs filed about ASM major/minor numbers changing after a reboot.

These 2 customer reported instances describes what changes can occur:

1. In this instance the server was updated 11.3 SRU 35.6 and after reboot, some of the major and minor numbers changed to 0 and 0.

Before patching:

So the minor numbers were changed:

for c0t60060E8xxxxxxx00502034E700000072d0s0 from 440 to 456
for c0t60060E8xxxxxxx00502034E700000073d0s0 from 456 to 448
for c0t60060E8xxxxxxx00502034E700000074d0s0 from 488 to 440


 The problem normally occurs after Solaris reboot.


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